1. The Working Party on Pollution and Energy (GRPE) held its eighty- seventh session from 10 to 13 January 2023, with André Rijnders (Netherlands) as Chair and Duncan Kay (United Kingdom of Great Britain and Northern Ireland) as Vice-Chair. Experts from the following countries participated in the work following Rule 1(a) of the Rules of Procedure of the World Forum for Harmonization of Vehicle Regulations (WP.29) (TRANS/WP.29/690, as amended): Australia, Canada, China, France, Germany, Hungary, India, Italy, Japan, Netherlands, Norway, Republic of Korea, Russian Federation, South Africa, Spain, Sweden, Switzerland, United Kingdom of Great Britain and Northern Ireland (UK), United States of America and Viet Nam. Experts from the European Commission (EC) also participated. Experts from the following non-governmental organizations (NGOs) took part in the session: American Automotive Policy Council (AAPC), Association for Emissions Control by Catalyst (AECC), Clean Air Association, European Association of Automobile Suppliers (CLEPA/MEMA/JAPIA), European Association of Internal Combustion Engine Manufacturers (EUROMOT), European Garage Equipment Association (EGEA), Fédération Internationale de l’Automobile (FIA), International Association for Natural Gas Vehicles (NGV Global), International Motorcycle Manufacturers Association (IMMA), International Motor Vehicle Inspection Committee (CITA), International Organization of Motor Vehicle Manufacturers (OICA), International Road Transport Union (IRU), and Liquid Gas Europe.

2. Mr. Rijnders, Chair of GRPE, opened the meeting and welcomed the participants.

3. GRPE adopted the provisional agenda of the eighty-seventh session (ECE/TRANS/WP.29/GRPE/2023/1), as updated and consolidated in GRPE-87-01-Rev.2, and GRPE-87-02-Rev.1 as a tentative running order.

GRPE-87-01/Rev.2 | GRPE: Annotated agenda for the 87th (January 2023) session

GRPE-87-02/Rev.1 | GRPE: Running order of the agenda for the 87th (January 2023) session

GRPE/2023/1 | GRPE-87: Annotated provisional agenda for the January 2023 session

4. The informal documents distributed before and during the GRPE session are listed in Annex I to the session report. Annex II lists the informal meetings held in conjunction with this GRPE session. Annex III lists active Informal Working Groups (IWGs) of GRPE, task forces and subgroups, giving details on their Chairs, Secretaries and the end of their mandates.

5. The secretariat introduced GRPE-87-03-Rev.1, announcing details for the next GRPE sessions. He informed GRPE the corresponding deadline for the submission of official documents would therefore be Tuesday 7 March 2023.

GRPE-87-03/Rev.1 | GRPE: General information for the 87th (January 2023) session

6. The secretariat informed the GRPE that in June the election of officers will be held, submission of possible candidates can be done until the 19th of May 2023.

7. The secretariat also briefly introduced GRPE-87-04-Rev.1, showing the schedule of meetings held in conjunction with this session of GRPE.

GRPE-87-04/Rev.1 | GRPE: Informal meetings in conjunction with the 87th (January 2023) session: schedule and rooms reservation

8. The secretariat introduced GRPE-87-05-Rev.1 and reported about relevant items discussed during the 187th and 188th sessions of the World Forum for Harmonization of Vehicle Regulations (WP.29). He referred to ECE/TRANS/WP.29/1166 and ECE/TRANS/WP.29/1168 for further details.

GRPE-87-05/Rev.1 | GRPE: Highlights of the recent WP.29 Sessions and updates on forthcoming ITC session

9. The secretariat informed the GRPE on the request to all GR’s to check the readiness for ADS. GRVA will present a document with the content what is expected from the GRPE on Friday.

10. The secretariat also briefly introduced topics of potential interest to GRPE, like the round table Roundtable on Electric Vehicle Charging Infrastructure that are expected to be tackled by the 85th session of the Inland Transport Committee taking place in February 2023. The Chair encourages the GRPE to look at the ITC documents and mentioned to be honoured that GRPE can give input to ITC.

11. The Chair of the IWG on Measurement Uncertainties (MU) under GRBP introduced WP.29-187-06. The representative from the EC reminded that in most emission legislation, measurement uncertainties were already taken into account in setting the emission limits. The Chair of the IWG on MU gave the example of UN Regulation No. 117 where uncertainty was greatly underestimated that might lead to revised way to set-up limits in the future. The Chair agreed measurement uncertainties were already included in emissions legislation and the definitions of emission limits. GRPE agreed to look at future progress of the IWG on MU and the inclusion of the uncertainty table in other UN Regulation before committing to include the proposed uncertainty table into the relevant GRPE legislation.

WP.29-187-06 | Status report of the informal group on Noise Measurement Uncertainties

12. The representative from OICA introduced ECE/TRANS/WP.29/GRPE/2023/10, ECE/TRANS/WP.29/GRPE/2023/11 and ECE/TRANS/WP.29/GRPE/2023/12, which content had already been discussed in previous sessions of GRPE. GRPE agreed with the content of the proposal.

GRPE/2023/10 | UN R83: Proposal for a new Supplement to the 06 and 07 series of amendments Proposal to harmonize the requirements of the 06 and 07 series of amendments, align with UN R48 wording to ensure consistent type-approval test conditions with the introduction of the 08 series of amendments (to introduce the possibility to switch OFF rear position lamps and other lamps when ambient light conditions outside the vehicle are above 7,000 lux in order to avoid unnecessary fuel consumption). The aim of the document is to reach consensus to enable adoption of a proposal during the next GRPE session (88th session in June 2023).

GRPE/2023/11 | UN R101: Proposal for a new Supplement to the 01 series of amendments Proposal to align with UN R48 08 series of amendments (to introduce the possibility to switch OFF rear position lamps and other lamps when ambient light conditions outside the vehicle are above 7,000 lux in order to avoid unnecessary fuel consumption). The aim of the document is to reach consensus to enable adoption of a proposal during the next GRPE session (88th session in June 2023).

GRPE/2023/12 | UN R154: Proposal for a new Supplement to the 00, 01, 02 and 03 series of amendments Proposal to align with UN R48 08 series of amendments (to introduce the possibility to switch OFF rear position lamps and other lamps when ambient light conditions outside the vehicle are above 7,000 lux in order to avoid unnecessary fuel consumption). The aim of the document is to reach consensus to enable adoption of a proposal during the next GRPE session (88th session in June 2023).

13. The representative from OICA introduced GRPE-87-13-Rev.2. The representative from the Netherlands sought clarification on the modifications provided in the revision of this document. The representative from OICA clarified the justification had been improved. The representative from Japan suggested to add the word “coolant” between the words “engine temperature” for better clarity. GRPE agreed with the content of the proposal.

GRPE-87-13/Rev.2 | UN R83: Proposal for additional content in GRPE/2023/10 Proposal for changes to the draft amendments to the 05, 06, and 07 series per the following justifications:<ol><li>In GRPE-86-12, the introduction of SAE J 1979-2 was proposed for Series 05, 06 and 07 of Regulation No. 83. Due to the different structure of Series 05 and 06 compared to 07, this proposal was not adopted. This proposal introduces the new standard to Series 05 and 06 and aligns the standards with Series 07.</li><li>The standards used for transmission of OBD information are maintained by international standardisation bodies (ISO, SAE). These standardisation body have to be informed.</li><li>Alignment of wording between the first sentence of paragraph 3.2.1.2. (“ambient or engine temperatures”) and the second sentence, where “or engine” was missing to avoid misunderstanding and ambiguity. Engine temperature is sometimes used as a substitute for ambient temperature. In this case, the engine temperature is evaluated once after a longer engine shut off phase. Only in this case an approval is necessary, as this is the only case, where an OBD monitor is disabled for the complete trip.</li><li>Align Paragraph 6.5.1.3. with GTR No. 15 to avoid ambiguity.</li></ol>

GRPE/2023/10 | UN R83: Proposal for a new Supplement to the 06 and 07 series of amendments Proposal to harmonize the requirements of the 06 and 07 series of amendments, align with UN R48 wording to ensure consistent type-approval test conditions with the introduction of the 08 series of amendments (to introduce the possibility to switch OFF rear position lamps and other lamps when ambient light conditions outside the vehicle are above 7,000 lux in order to avoid unnecessary fuel consumption). The aim of the document is to reach consensus to enable adoption of a proposal during the next GRPE session (88th session in June 2023).

14. GRPE adopted GRPE-87-13-Rev.2 as reflected in Annex IV to the session and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their June 2023 sessions as draft new supplement to the 05 Series of Amendments to UN Regulation No. 83.

GRPE-87-13/Rev.2 | UN R83: Proposal for additional content in GRPE/2023/10 Proposal for changes to the draft amendments to the 05, 06, and 07 series per the following justifications:<ol><li>In GRPE-86-12, the introduction of SAE J 1979-2 was proposed for Series 05, 06 and 07 of Regulation No. 83. Due to the different structure of Series 05 and 06 compared to 07, this proposal was not adopted. This proposal introduces the new standard to Series 05 and 06 and aligns the standards with Series 07.</li><li>The standards used for transmission of OBD information are maintained by international standardisation bodies (ISO, SAE). These standardisation body have to be informed.</li><li>Alignment of wording between the first sentence of paragraph 3.2.1.2. (“ambient or engine temperatures”) and the second sentence, where “or engine” was missing to avoid misunderstanding and ambiguity. Engine temperature is sometimes used as a substitute for ambient temperature. In this case, the engine temperature is evaluated once after a longer engine shut off phase. Only in this case an approval is necessary, as this is the only case, where an OBD monitor is disabled for the complete trip.</li><li>Align Paragraph 6.5.1.3. with GTR No. 15 to avoid ambiguity.</li></ol>

15. GRPE adopted ECE/TRANS/WP.29/GRPE/2023/10 and GRPE-87-13-Rev.2, as combined in Annex V to the session report, and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their June 2023 sessions as draft new supplement to the 06 Series of Amendments to UN Regulation No. 83.

GRPE-87-13/Rev.2 | UN R83: Proposal for additional content in GRPE/2023/10 Proposal for changes to the draft amendments to the 05, 06, and 07 series per the following justifications:<ol><li>In GRPE-86-12, the introduction of SAE J 1979-2 was proposed for Series 05, 06 and 07 of Regulation No. 83. Due to the different structure of Series 05 and 06 compared to 07, this proposal was not adopted. This proposal introduces the new standard to Series 05 and 06 and aligns the standards with Series 07.</li><li>The standards used for transmission of OBD information are maintained by international standardisation bodies (ISO, SAE). These standardisation body have to be informed.</li><li>Alignment of wording between the first sentence of paragraph 3.2.1.2. (“ambient or engine temperatures”) and the second sentence, where “or engine” was missing to avoid misunderstanding and ambiguity. Engine temperature is sometimes used as a substitute for ambient temperature. In this case, the engine temperature is evaluated once after a longer engine shut off phase. Only in this case an approval is necessary, as this is the only case, where an OBD monitor is disabled for the complete trip.</li><li>Align Paragraph 6.5.1.3. with GTR No. 15 to avoid ambiguity.</li></ol>

GRPE/2023/10 | UN R83: Proposal for a new Supplement to the 06 and 07 series of amendments Proposal to harmonize the requirements of the 06 and 07 series of amendments, align with UN R48 wording to ensure consistent type-approval test conditions with the introduction of the 08 series of amendments (to introduce the possibility to switch OFF rear position lamps and other lamps when ambient light conditions outside the vehicle are above 7,000 lux in order to avoid unnecessary fuel consumption). The aim of the document is to reach consensus to enable adoption of a proposal during the next GRPE session (88th session in June 2023).

16. GRPE adopted ECE/TRANS/WP.29/GRPE/2023/10 and GRPE-87-13-Rev.2, as combined in Annex VI to the session report, and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their June 2023 sessions as draft new supplement to the 07 Series of Amendments to UN Regulation No. 83 respectively.

GRPE-87-13/Rev.2 | UN R83: Proposal for additional content in GRPE/2023/10 Proposal for changes to the draft amendments to the 05, 06, and 07 series per the following justifications:<ol><li>In GRPE-86-12, the introduction of SAE J 1979-2 was proposed for Series 05, 06 and 07 of Regulation No. 83. Due to the different structure of Series 05 and 06 compared to 07, this proposal was not adopted. This proposal introduces the new standard to Series 05 and 06 and aligns the standards with Series 07.</li><li>The standards used for transmission of OBD information are maintained by international standardisation bodies (ISO, SAE). These standardisation body have to be informed.</li><li>Alignment of wording between the first sentence of paragraph 3.2.1.2. (“ambient or engine temperatures”) and the second sentence, where “or engine” was missing to avoid misunderstanding and ambiguity. Engine temperature is sometimes used as a substitute for ambient temperature. In this case, the engine temperature is evaluated once after a longer engine shut off phase. Only in this case an approval is necessary, as this is the only case, where an OBD monitor is disabled for the complete trip.</li><li>Align Paragraph 6.5.1.3. with GTR No. 15 to avoid ambiguity.</li></ol>

GRPE/2023/10 | UN R83: Proposal for a new Supplement to the 06 and 07 series of amendments Proposal to harmonize the requirements of the 06 and 07 series of amendments, align with UN R48 wording to ensure consistent type-approval test conditions with the introduction of the 08 series of amendments (to introduce the possibility to switch OFF rear position lamps and other lamps when ambient light conditions outside the vehicle are above 7,000 lux in order to avoid unnecessary fuel consumption). The aim of the document is to reach consensus to enable adoption of a proposal during the next GRPE session (88th session in June 2023).

17. The representative from OICA introduced ECE/TRANS/WP.29/GRPE/2023/13 which content had already been discussed in previous sessions of GRPE. GRPE agreed with the content of the proposal. The representative from Germany supported an adoption of this proposal during this session of GRPE.

GRPE/2023/13 | UN R101: Proposal for a new Supplement to the 01 series of amendments Proposal to harmonize the requirements for the determination of CO2, fuel, and electric energy consumption of the discharge requirement for OVC-HEV with an operating mode switch with its stop criterion and the preconditioning requirement with the 01 series of amendments to UN R101(Annex 9, determination of electric range) and 06 and 07 series of amendments of UN R83 (Annex 14, provisions for emissions test procedures for HEV). The intention is to reach consensus towards approving a proposal during the 88th (June 2023) GRPE session.

18. The representative from France introduced GRPE-87-07-Rev.1. The representative of the UK supported the proposal pending a slight improvement as reflected in a revised version of the original document. The representatives from Germany, Italy and OICA supported the revised proposal.

GRPE-87-07/Rev.1 | UN R24 and UN R101: Proposal for new supplements Proposal to add assembly plant(s) to the approval information document.

19. GRPE adopted ECE/TRANS/WP.29/GRPE/2023/13 and GRPE-87-07-Rev.1, as combined in Annex VII to the session report, and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their June 2023 sessions as draft new supplement to the 01 Series of Amendments to UN Regulation No. 101.

GRPE-87-07/Rev.1 | UN R24 and UN R101: Proposal for new supplements Proposal to add assembly plant(s) to the approval information document.

GRPE/2023/13 | UN R101: Proposal for a new Supplement to the 01 series of amendments Proposal to harmonize the requirements for the determination of CO2, fuel, and electric energy consumption of the discharge requirement for OVC-HEV with an operating mode switch with its stop criterion and the preconditioning requirement with the 01 series of amendments to UN R101(Annex 9, determination of electric range) and 06 and 07 series of amendments of UN R83 (Annex 14, provisions for emissions test procedures for HEV). The intention is to reach consensus towards approving a proposal during the 88th (June 2023) GRPE session.

20. GRPE adopted GRPE-87-07-Rev.1 as reflected in Annex VIII to the session report and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their June 2023 sessions as draft new supplement to the 03 Series of Amendments to UN Regulation No. 24.

21. The following paragraphs concern proposals to amend UN Regulation No. 154.

22. The representative from OICA introduced GRPE-87-14-Rev.1. The representative from Japan suggested to add the word “coolant” between the words “engine temperature” for better clarity. GRPE agreed with the content of the proposal.

GRPE-87-14/Rev.1 | UN R154: Proposal for additional content in GRPE/2023/12 Proposal to harmonize the requirements of the 00, 01, 02 and 03 series of amendments to UN R154 based on the following justifications:<ol><li>Correction of a wrong reference. In Paragraph 3. the functional requirements for the OBD system are included. Paragraph 4. describes the requirements relating to type-approval including the provisions for deficiencies.</li><li>For Series 02 and 03, SAE J 1979-2 was allowed as a standard for the transmission of OBD relevant information. ISO 14229 was removed from the list of allowed standard. This proposal aligns series 00 and 01 with series 02 and 03.</li><li>The standards used for transmission of OBD information are maintained by international standardisation bodies (ISO, SAE). The standardisation body maintaining the affected standard has to be informed.</li><li>Alignment of wording between the first sentence of paragraph 3.2.1.2. (“ambient or engine temperatures”) and the second sentence, where “or engine” was missing to avoid misunderstanding and ambiguity. Engine temperature is sometimes used as a substitute for ambient temperature. In this case, the engine temperature is evaluated once after a longer engine shut off phase. Only in this case an approval is necessary, as this is the only case, where an OBD monitor is disabled for the complete trip.</li><li>The OBD requirements for Diesel engines in Paragraph 3.3.4 of Annex C5 are limited to Level 1A. The requirements in paragraphs 6.3. (“Failure modes to be tested”) and 6.4. (“OBD system test”), are not limited to Level 1A. This proposal corrects this.</li><li>Align Paragraph 6.5.1.3. with GTR No.15 to avoid ambiguity.</li><li>Alignment with Series 01/03. Those allow the use of alternative preconditioning methods for Level 2.</li></ol> Background: Manufacturers design OBD monitoring conditions and functionalities for market specific driving conditions. Reliable monitors need enable conditions, which run the OBD monitors under circumstances, where failure detection works properly. Those enable conditions are not for all monitors represented by a three-phase WLTC, e.g. some monitors require higher load conditions. For those monitors alternative preconditioning methods are necessary.

23. The representative from France introduced GRPE-87-06. GRPE agreed with the content of the proposal.

GRPE-87-06 | UN R154: Proposal for a new supplement to the 02 to 03 series of amendments Proposal to correct inconsistencies in the time between the measurement of the end temperature and the end of the Type 1 test at 23°C for the ATCT family criterion check and in the f_jDyno force calculation.

24. The representative from Japan introduced GRPE-87-17, GRPE-87-18 and GRPE-87-19. He proposed to delay the adoption of those proposals to better scrutinize the content of the proposals. The representatives from France, Germany, Italy, the Netherlands and the European Commission supported the proposed approach from Japan and to discuss the proposals in an ad-hoc group. The representative from OICA also supported such delay as detailed in GRPE-87-15.

GRPE-87-17 | UN R154: Proposal to amend the 02 series of amendments Proposal for corrections and clarifications to the amendments in WP.29/2022/41/Rev.1 based on GRPE/2021/21 addressing particle number emissions, including handling of electric vehicles and Conformity of Production.

GRPE-87-18 | UN R154: Proposal for amendments to the 03 series of amendments Proposal for corrections and clarifications to the amendments in WP.29/2022/42/Rev.1 based on GRPE/2021/21 addressing particle number emissions, including handling of electric vehicles and Conformity of Production.

GRPE-87-19 | UN R154: Summary of proposals for amendments to the 02 and 03 series of amendments

25. The representative from the European Commission introduced GRPE-87-27 and GRPE-87-28. The representative from OICA added that the revised rolling resistance values were expected to have no influence on existing approvals, highlighting that contracting parties would likely require to add more rows to the relevant table. The representative from France highlighted that revised rolling resistance coefficients defined in UN Regulation No. 117 had recently been adopted by GRBP, with an entry into force expected in July 2024. She added a revision of UN Regulation No.154 was likely be needed in the future to reflect those changes when entered into force. The representative from the European Commission requested to hold some bilateral discussions with France to clarify the matter. GRPE agreed to have more time to scrutinize GRPE-87-27 and GRPE-87-28.

GRPE-87-27 | UN R154: Proposal for a new Supplement to 02 series of amendments This proposal introduces the new Utility Factor (UF) approach proposed in the Euro 6e emissions type-approval legislation. In addition, as a result of the application of the new tyre labelling Regulation (EU) 2020/7401, this proposal introduces a revised format of the table with tyre energy efficiency classes according to rolling resistance coefficients (RRC), in-line with the format proposed in the Euro 6e emissions type-approval legislation.

GRPE-87-28 | UN R154: Proposal for a new Supplement to the 03 series of amendments This proposal introduces the new Utility Factor (UF) approach proposed in the Euro 6e emissions type-approval legislation. In addition, as a result of the application of the new tyre labelling Regulation (EU) 2020/7401, this proposal introduces a revised format of the table with tyre energy efficiency classes according to rolling resistance coefficients (RRC), in-line with the format proposed in the Euro 6e emissions type-approval legislation.

26. The representative from Australia introduced GRPE-87-33. The representative from the UK highlighted there might be a confusion between approval number and approval marking. The representative from Australia said consistency might be desired between approval numbering and marking. The GRPE ambassador to IWGs on IWVTA and DETA agreed with the representative from the UK and recalled the analysis done previously that also highlighted widespread inconstancy across GRs between approval numbering and approval marking. He added that IWGs on IWVTA and DETA were dealing with this topic and requested some more time before coming up with a proposal to potentially solve these issues.

GRPE-87-33 | UN R154: Proposal for a Supplement to address inconsistencies across the series of amendments The current format of the type approval mark illustrated in Annex A3 is not consistent with the requirements of Section 5.2.1, which may unintentionally lead to approval marks not being issued or accepted in the correct format. The proposed amendment to Annex A3 aligns the illustrated approval marks with the requirements of Section 5.2.1 and Schedule 4 of Revision 3 of the 1958 Agreement. This proposal is available with tracked changes in a <a href="https://unece.org/sites/default/files/2023-01/GRPE-87-33e_track.pdf" target="_blank">pdf version</a> and in a <a href="https://unece.org/sites/default/files/2023-01/GRPE-87-33e_track.docx">.docx format</a>.

27. The representative from OICA introduced GRPE-87-11. The representative from Japan recalled some experience with misuse of this annex and added that such proposal would be difficult for Japan to accept for the time being, and said he remained open for further discussions on the topic. The representative from the European Commission suggested a way forward light be to add these proposed changes only in the Level 2. GRPE agreed additional time was needed to consider this proposal.

GRPE-87-11 | UN R154: Annex B9 for Level 1B and Level 2-Proposal for alternative methods

28. The representative from OICA introduced GRPE-87-12. The representative from the European Commission supported the proposal. GRPE agreed with the content of the proposal.

GRPE-87-12 | UN R154: Reference fuels and diesel cloud point

29. For all proposals related to UN Regulation No. 154, GRPE agreed to wait until the next session of GRPE to submit them to WP.29, as reflected in GRPE-87-56-Rev.1.

GRPE-87-56/Rev.1 | GRPE: Adoption status of proposals

30. The representative from the European Commission introduced ECE/TRANS/WP.29/GRPE/2023/2, GRPE-87-26-Rev.1 and GRPE-87-43 related to the new 08 series of amendments to UN regulation No. 83. With this new series of amendments it will be equivalent to the European emission level Euro 6e. The representative from OICA introduced GRPE-87-10 and requested additional time to scrutinize GRPE-87-26-Rev.1. The representative from the UK highlighted the importance of this proposal for their regulatory framework and hoped for a final proposal to be adopted during this session of GRPE.

GRPE-87-10 | UN R83: Comments on the proposed 08 series (GRPE/2023/2)

GRPE-87-26/Rev.1 | UN R83: Proposal to amend document GRPE/2023/2

GRPE-87-43 | UN R83: Information supporting GRPE/2023/2 and GRPE-87-26 Additional information concerning the 08 series of amendments pursuant to UN R154 (WLTP) and work on real-driving emissions testing.

GRPE/2023/2 | UN R83: Proposal for a new 08 series of amendments Proposal based on the 07 series of amendments to remove elements which covered by UN R154 (WLTP), to include references to the draft UN Regulation on Real Driving Emissions (RDE), and to update In-Service Conformity (ISC) requirements for the purposes of establishing regional type approval equivalence. The proposal is incomplete. The EC expects to provide missing elements before the 87th GRPE session in January 2023. This document is available with mark-ups in <a href="https://unece.org/sites/default/files/2022-10/GRPE-2023-2e_comments.pdf" target="_blank">pdf version</a> and in <a href="https://unece.org/sites/default/files/2022-10/GRPE-2023-2e_comments.docx" target="_blank">docx format</a>.

31. Following additional improvements made during the session, as reflected in GRPE-87-26-Rev.1, the representatives from OICA reiterated some concerns about the complexity of the proposal and the potential misunderstandings that could remain in the proposal. Under the assumption that on-going evolution of the document would be possible in the future, He supported the adoption of the proposal. The representatives from Italy and the UK thanked all involved parties for the improvements made to the text during the week and supported the proposal. GRPE adopted GRPE-87-26-Rev.1.

GRPE-87-26/Rev.1 | UN R83: Proposal to amend document GRPE/2023/2

32. The representative from the Clean Air Association introduced GRPE-87-25. The Chair wondered why the representative from CAA did not propose to amend UN regulation No. 154, as the definition of defeat devices was moved there to avoid duplication. The representative from CAA stipulated they initially focus their effort on UN Regulation No. 83. The representative from OICA concurred with the Chair that the definition had been removed from UN Regulation No. 83 to have it in UN regulation No. 154.

GRPE-87-25 | UN R83: Proposal to amend GRPE/2023/2 Proposal of amendments to promote harmonization, legal certainty, and environmental protection in the 08 series of amendments.

33. The representative from the EC confirmed the intention was to make UN Regulation No. 83 as tight as possible, and said that given national litigation still on-going, the European Commission had no mandate to amend this definition. The Chair agreed the timing to make this proposal does not fit some national circumstances.

GRPE-87-25 | UN R83: Proposal to amend GRPE/2023/2 Proposal of amendments to promote harmonization, legal certainty, and environmental protection in the 08 series of amendments.

34. The representative from CAA said the intention of this proposal was to address contracting parties outside of the EU in the spirit of harmonization. GRPE rejected the proposal from the representative from the CAA.

GRPE-87-25 | UN R83: Proposal to amend GRPE/2023/2 Proposal of amendments to promote harmonization, legal certainty, and environmental protection in the 08 series of amendments.

35. GRPE adopted ECE/TRANS/WP.29/GRPE/2023/2 as amended by GRPE-87-26-Rev.1, as reflected in Addendum 1, and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their June 2023 sessions as draft new 08 Series of Amendments to UN Regulation No. 83.

GRPE-87-26/Rev.1 | UN R83: Proposal to amend document GRPE/2023/2

GRPE/2023/2 | UN R83: Proposal for a new 08 series of amendments Proposal based on the 07 series of amendments to remove elements which covered by UN R154 (WLTP), to include references to the draft UN Regulation on Real Driving Emissions (RDE), and to update In-Service Conformity (ISC) requirements for the purposes of establishing regional type approval equivalence. The proposal is incomplete. The EC expects to provide missing elements before the 87th GRPE session in January 2023. This document is available with mark-ups in <a href="https://unece.org/sites/default/files/2022-10/GRPE-2023-2e_comments.pdf" target="_blank">pdf version</a> and in <a href="https://unece.org/sites/default/files/2022-10/GRPE-2023-2e_comments.docx" target="_blank">docx format</a>.

36. The representative from OICA introduced GRPE-87-15 where UN GTR No. 15 is mentioned. The Chair suggested to collect all elements to amend UN GTR No. 15. The Chair stated that GTR’s should not be updated every time, but maximum once a year.

GRPE-87-15 | Input on UN R154 and GTR 15 <ul><li>UN R154</li><ul><li>Current status regarding reviewing Japan proposal on CoP section</li><li>Current status regarding reviewing Japan proposal on PHEV calculations</li></ul><li>GTR 15: Annex 13</li><ul><li>Current status regarding GTR No.15 Annex 13</li></ul></li></ul>

37. The representative from the EC said no reference to UN GTR No. 15 and its annex 13 had been made in the Euro 7 proposal, and that this was not planned for the foreseeable future.

GRPE-87-15 | Input on UN R154 and GTR 15 <ul><li>UN R154</li><ul><li>Current status regarding reviewing Japan proposal on CoP section</li><li>Current status regarding reviewing Japan proposal on PHEV calculations</li></ul><li>GTR 15: Annex 13</li><ul><li>Current status regarding GTR No.15 Annex 13</li></ul></li></ul>

38. The representative from OICA confirmed their willingness to prepare a proposal to amend UN GTR No. 15 but needed a contracting party to the 1998 Agreement to submit the proposal to GRPE. The Chair confirmed that a CP sponsor is needed to submit a document to WP.29 and AC.3 as stipulated in article 6.4. to the 1998 Agreement, but OICA can however prepare documents and technical report.

GRPE-87-15 | Input on UN R154 and GTR 15 <ul><li>UN R154</li><ul><li>Current status regarding reviewing Japan proposal on CoP section</li><li>Current status regarding reviewing Japan proposal on PHEV calculations</li></ul><li>GTR 15: Annex 13</li><ul><li>Current status regarding GTR No.15 Annex 13</li></ul></li></ul>

39. The representative from the EC introduced ECE/TRANS/WP.29/GRPE/2023/3. This document is submitted by the experts of Japan and the European Commission. The text contains changes introduced into European legislation (Euro 6e) since the adoption of the previous version of the draft UN Regulation on RDE prepared by GRPE at its eighty-first session (ECE/TRANS/WP.29/GRPE/81/Add.2 and ECE/TRANS/WP.29/2020/120). The representative from OICA introduced GRPE-87-08 and GRPE-87-09. The representative from Japan supported ECE/TRANS/WP.29/GRPE/2023/3 and GRPE-87-08. The representative from the European Commission had some objections to some elements included in GRPE-87-08 and sought further clarification to make sure over-regulation is not included in the proposal, as might be the case where requiring not to perform RDE trips in reverse gear.

40. The representative from OICA highlighted absolute legal clarity was needed, as stakeholders in other fora had made statement about attempts to make vehicles fail RDE tests, legally compliant but driven in unrealistic conditions.

41. The representative from the European Commission did not support GRPE-87-09, requesting to try and avoid repeat the sub-optimal situation that led to last resort decision in other GRPE legislation and confirmed the European Commission had no mandate to agree on the inclusion of 2 levels in UN Regulation on Global RDE. The representative from Italy understood the intention of the OICA’s proposal, and was open to OICA’s proposal in the spirit of harmonization that is operational.

GRPE-87-08 | RDE: Proposal to amend GRPE/2023/3 Proposal to clarify and improve the text of the new Real Driving Emissions type approval regulation per the following justifications: <ol><li>In paragraph 3.3.7. the text in brackets is a repeat of content in an Annex. It is good practice to keep definitions to one sentence where possible. Adding “of the tested vehicle” avoids any confusion with family test mass definitions.</li><li>The syntax of the term “power-to-mass-ratio” (with hyphens between all words) should be consistent throughout the document.</li><li>Where a requirement only applies to the approval authority which issued the approval this should be made clear in the text.</li><li>Additional to the technical specifications listed in Annex 5, the Regulation assumes measurement accuracy of PEMS equipment. It therefore appears reasonable that the PEMS equipment is required to also deliver these measurement accuracy.</li><li>As vehicles are designed to be driven predominantly forwards, and rearwards driving although normal practice is an exceptional situation, the possibility to drive rearwards for extended periods should be removed.</li><li>“Velocity” as a physical term is a vector and has to be accompanied by a direction. For clarity this should be replaced with “speed”.</li><li>A large (> 20 K) ambient temperature difference between one day and the next is not representative of real life and can result in unrepresentative catalyst performance. The possibility of a preconditioning at 23 °C followed by a test at below freezing should therefore be removed.</li></ol>

GRPE-87-09 | RDE: Proposal to amend GRPE/2023/3 Proposal to introduce levels in the draft new UN Regulation on Real Driving Emissions type approvals based on the following:<ol><li>Since RDE testing has been introduced in the European Union, there has been criticism of the difficulties encountered when planning a valid RDE test.</li><li>This situation would be worsened by introducing the requirement for a test to be suitable for analysis according to both 3-phase and 4-phase concepts.</li><li>As levels have already been introduced in Regulation No. 154 and these are becoming accepted and understood by technical services and approval authorities, the introduction of these levels in this Regulation would be a clear alignment.</li><li>As the temperature boundary conditions from this draft Regulation are already being transposed into European legislation, OICA members see no need to differentiate between boundary conditions for the proposed levels.</li><li>The inclusion of these few amendments would return the planning burden to that currently experienced in the EU, at least for markets which apply the 4-phase WLTP concept.</li></ol>

GRPE/2023/3 | RDE: Proposal for a new UN Regulation on the approval of light duty passenger and commercial vehicles with regard to real driving emissions Proposal to update the previously adopted text (GRPE/81/Add.2 and in document WP.29/2020/120) with changes introduced into European legislation on RDE. This document is available with tracked changes in <a href="https://unece.org/sites/default/files/2022-10/GRPE-2023-3e_tracked.pdf" target="_blank">pdf version</a> and <a href="https://unece.org/sites/default/files/2022-10/GRPE-2023-3e_tracked.docx" target="_blank">docx format</a>.

GRPE/87/Add.2 | RDE: Proposal for a new UN Regulation No. [XXX] on approval of light duty passenger and commercial vehicles with regard to real driving emissions (RDE)

42. The representative from the UK introduced GRPE-87-44 and GRPE-87-45 and supported an adoption of UN regulation on Global RDE during this session of GRPE.

GRPE-87-44 | RDE: Proposal to amend GRPE/2023/3 Proposal to ensure consistency in the vehicle categories within scope across emissions regulations and with regional requirements within Europe. <ol><li>The current scope of the proposed UN Regulation on RDE (GRPE/2023/3) does not cover all vehicle categories within scope of other UN emissions regulations relevant for light duty vehicles and is inconsistent with regional legislation within the UK and Europe.</li><li>The proposed amendment seeks to allow Contracting Parties to optionally apply this regulation for vehicle category N2 and for M2 vehicles above 3,500 kg technical permissible maximum laden mass when the reference mass is below 2,610 kg. This would enable equivalent coverage of the scope to regional requirements in Europe and the acceptance of a full UNECE emissions regulation package for those vehicle categories in that region.</li><li>Provisions relating to the extension of type approvals to vehicles with a reference mass not exceeding 2,840 kg have also been applied to categories M2 and N2 where Contracting Parties are applying the broader scope of vehicle categories.</li></ol>

GRPE-87-45 | RDE: Supporting information on the proposal to amend the scope

GRPE/2023/3 | RDE: Proposal for a new UN Regulation on the approval of light duty passenger and commercial vehicles with regard to real driving emissions Proposal to update the previously adopted text (GRPE/81/Add.2 and in document WP.29/2020/120) with changes introduced into European legislation on RDE. This document is available with tracked changes in <a href="https://unece.org/sites/default/files/2022-10/GRPE-2023-3e_tracked.pdf" target="_blank">pdf version</a> and <a href="https://unece.org/sites/default/files/2022-10/GRPE-2023-3e_tracked.docx" target="_blank">docx format</a>.

43. Following additional activities from all concerned parties during the session, the representative from the European Commission introduced GRPE-87-49 as a revised proposal for a new UN Regulation on Global RDE which represented a consensus on the various proposals presented previously.

44. The representatives from France, Germany, Italy, Japan, the UK and the European Commission supported the proposal. GRPE agreed with the content of GRPE-87-49.

GRPE-87-49 | RDE: Proposal to amend GRPE/2023/3

GRPE/2023/3 | RDE: Proposal for a new UN Regulation on the approval of light duty passenger and commercial vehicles with regard to real driving emissions Proposal to update the previously adopted text (GRPE/81/Add.2 and in document WP.29/2020/120) with changes introduced into European legislation on RDE. This document is available with tracked changes in <a href="https://unece.org/sites/default/files/2022-10/GRPE-2023-3e_tracked.pdf" target="_blank">pdf version</a> and <a href="https://unece.org/sites/default/files/2022-10/GRPE-2023-3e_tracked.docx" target="_blank">docx format</a>.

45. GRPE adopted ECE/TRANS/WP.29/GRPE/2023/3 as amended by GRPE-87-49, as reflected in Addendum 2, and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their June 2023 sessions as draft new UN Regulation No. [XXX] on Global RDE.

GRPE-87-49 | RDE: Proposal to amend GRPE/2023/3

GRPE/2023/3 | RDE: Proposal for a new UN Regulation on the approval of light duty passenger and commercial vehicles with regard to real driving emissions Proposal to update the previously adopted text (GRPE/81/Add.2 and in document WP.29/2020/120) with changes introduced into European legislation on RDE. This document is available with tracked changes in <a href="https://unece.org/sites/default/files/2022-10/GRPE-2023-3e_tracked.pdf" target="_blank">pdf version</a> and <a href="https://unece.org/sites/default/files/2022-10/GRPE-2023-3e_tracked.docx" target="_blank">docx format</a>.

GRPE/87/Add.2 | RDE: Proposal for a new UN Regulation No. [XXX] on approval of light duty passenger and commercial vehicles with regard to real driving emissions (RDE)

46. The representative from the European Commission, Co-chair of the IWG on RDE, introduced GRPE-87-51, requested a delay in the authorization to develop a new UN GTR on Global RDE. The representative from the US, Co-Chair of the IWG on RDE, supported the proposal and added that the activities would be paused and not ended, as the topic was important and should be tackled as soon as possible. As consequence, the Chair declared that the activities of the IWG on RDE are put on-hold until further notice.

47. GRPE adopted GRPE-87-51, as reflected in Annex IX to the session report, and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their June 2023 sessions as revised authorization to develop a UN GTR on Global Real Driving Emissions (RDE).

GRPE-87-51 | RDE: Proposal to amend the authorisation to develop a new UN GTR Proposal to postpone the work on a GTR until after pending national/regional legislation has been enacted (e.g., Euro 7 and US proposal on light vehicle emissions).

48. The representative from the European Commission introduced ECE/TRANS/WP.29/GRPE/2023/5. He added that this proposal only applied to the 06 series of amendments to UN Regulation No. 49. GRPE supported the content of the proposal.

49. GRPE adopted ECE/TRANS/WP.29/GRPE/2023/5 and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their June 2023 sessions as draft new supplement to the 06 Series of Amendments to UN Regulation No. 49.

GRPE/2023/5 | UN R49: Proposal for new Supplements to the 06 and 07 series of amendments Proposal to correct drafting errors within the 06 and 07 series of amendments.

50. The representative from OICA introduced GRPE-87-50, summarizing the proposals on the inclusion of hydrogen as a fuel for internal combustion engines in heavy duty vehicles. He introduced ECE/TRANS/WP.29/GRPE/2023/6 as amended by GRPE-87-30. The representative from the European Commission introduced GRPE-87-31 to support the previous proposal.

51. The representatives from France, Germany, Italy, the Netherlands and Sweden supported the proposal and congratulated all parties involved in the development of this proposal. The representative from the EC highlighted that hydrogen internal combustion engines were important to achieve heavy duty vehicles CO2 emission reduction targets. He also added that the scope of engines covered would be enlarged, as well as the inclusion of dual fuel engines in forthcoming amendments to the related legislation.

52. The representative from India also supported the proposal and requested additional information on the fuel specifications for hydrogen, informing that some parameters differ in UN GTR No. 15 compared to UN regulation No. 49. The representative from OICA confirmed fuel specifications are aligned between UN Regulations Nos. 154 and 49 but could not confirm they are the same in UN GTR No. 15. He explained that the difference might come from the different specifications for hydrogen whether they are used in fuel cells or internal combustion engines. The hydrogen purity needs to be better for fuel cells, explaining potential tighter tolerances if only one grade of hydrogen fuel is specified. He concluded by saying that a similar issue might arise in heavy duty applications when fuel cell trucks are being deployed more broadly.

53. The representative from France introduced GRPE-87-53. The representative from the European Commission clarified some of the content of this proposal.

54. GRPE adopted ECE/TRANS/WP.29/GRPE/2023/6 as amended by GRPE-87-30 and complemented by GRPE-87-53, as reflected in Annex X, and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their June 2023 sessions as draft new supplement to the 07 Series of Amendments to UN Regulation No. 49.

55. The representative from OICA informed GRPE that OICA was exploring the possibility to also include hydrogen as a fuel in older series of amendments to UN Regulation No. 49. He noted that adding hydrogen was expected to be straight forward in the 06 series of amendments, and that an assessment was on-going for such inclusion in the 04 and 05 series of amendments.

GRPE-87-30 | UN R49: Amendment to GRPE/2023/6

GRPE-87-31 | R49: Information supporting proposal to amend ECE/TRANS/WP.29/GRPE/2023/6

GRPE-87-50 | Type Approval of H2 Engines Background on changes proposed to UN R49 and UN R85 to address hydrogen fuel and heavy vehicles.

GRPE/2023/6 | UN R49: Proposal for a new Supplement to the 07 series of amendments Proposal to permit the use of hydrogen (H2) as fuel for emissions type approval of heavy-duty vehicles.

56. GRPE did not receive any new proposals for discussion under this agenda item.

57. GRPE did not receive any new proposals for discussion under this agenda item.

58. The representative from OICA introduced ECE/TRANS/WP.29/GRPE/2023/7, as amended by GRPE-87-16-Rev.1. He added that an alignment of this proposal with UN Regulation No. 24 was expected in forthcoming sessions of GRPE.

GRPE-87-16/Rev.1 | UN R85: Proposal to amend GRPE/2023/7 Proposal to promote harmonisation in use of reference fuels for testing, including hydrogen fuel, based on the following justifications:<ol><li>The use of test fuels is permitted for certification testing of gaseous and particulate pollutants and power/smoke testing in Europe. However, other countries that have adopted and referenced UN R85 may not allow this. In this case, manufacturers have to prepare fuels with different characteristics, which is costly and requires a long time due to the current inconsistent situation.</li><li>We believe that the use of test fuels for gaseous and particulate pollutant measurement tests should be a priority as a precondition for the introduction of more stringent emission levels.</li><li>Hydrogen fuelled vehicles are covered in UN Regulation No. 83, but hydrogen is not yet covered in UN R49 and UN R85.</li><li>Hydrogen fuelled engines could be one complementary option to reduce CO₂ emissions of future heavy-duty vehicles.</li><li>Therefore, hydrogen fuel should be integrated in UN R49 and UN R85 for better alignment with UN R83.</li></ol>

GRPE/2023/7 | UN R85: Proposal for a new Supplement Proposal to permit the use of hydrogen (H2) as fuel for type approval of heavy-duty vehicles and to explicitly permit the usage of the reference fuel required for emission testing when the manufacturer applies for UN Regulations Nos. 24 and / or 49 type approval at same time.

59. The representative from France introduced GRPE-87-32-Rev.1. The representative from the EC requested additional time to scrutinize the proposal.

GRPE-87-32/Rev.1 | UN R85: Proposal for a Supplement to address pressure measurement tolerances Proposal to allow higher tolerance for pressure measurement under paragraphs 4.7 and 4.8 (+ aligned intake and exhaust) in order to avoid refusal of test due to the non-compliance of pressure accuracy and based on the low impact on the αd. Value or approach (linearity?) to be discussed.

60. GRPE adopted ECE/TRANS/WP.29/GRPE/2023/7 as amended by GRPE-87-16-Rev.1 as reflected in Annex XI to the session report and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote at their June 2023 sessions as draft new supplement to UN Regulation No. 85 (Measurement of the net power and the 30 min. power).

GRPE-87-16/Rev.1 | UN R85: Proposal to amend GRPE/2023/7 Proposal to promote harmonisation in use of reference fuels for testing, including hydrogen fuel, based on the following justifications:<ol><li>The use of test fuels is permitted for certification testing of gaseous and particulate pollutants and power/smoke testing in Europe. However, other countries that have adopted and referenced UN R85 may not allow this. In this case, manufacturers have to prepare fuels with different characteristics, which is costly and requires a long time due to the current inconsistent situation.</li><li>We believe that the use of test fuels for gaseous and particulate pollutant measurement tests should be a priority as a precondition for the introduction of more stringent emission levels.</li><li>Hydrogen fuelled vehicles are covered in UN Regulation No. 83, but hydrogen is not yet covered in UN R49 and UN R85.</li><li>Hydrogen fuelled engines could be one complementary option to reduce CO₂ emissions of future heavy-duty vehicles.</li><li>Therefore, hydrogen fuel should be integrated in UN R49 and UN R85 for better alignment with UN R83.</li></ol>

GRPE/2023/7 | UN R85: Proposal for a new Supplement Proposal to permit the use of hydrogen (H2) as fuel for type approval of heavy-duty vehicles and to explicitly permit the usage of the reference fuel required for emission testing when the manufacturer applies for UN Regulations Nos. 24 and / or 49 type approval at same time.

61. The representative from EUROMOT stated that EUROMOT remained committed to continue with the work on hydrogen engine type-approval as outlined in June 2022 (GRPE-86-06). However, he added that the anticipated informal documents amending UN Regulations Nos. 96 and 120 were not expected to be available until the session of GRPE in May/June 2023.

GRPE-86-06 | UN R120: Type approval of engines operated on H2 for agricultural & forestry tractors and non-road mobile machinery.

62. GRPE did not receive any new proposals for discussion under this agenda item.

63. The representative from the European Commission, Chair of the IWG on PMP, introduced GRPE-87-46 giving a status report of the activities of the IWG on PMP. He asked his colleague to introduce ECE/TRANS/WP.29/GRPE/2023/4 as amended by GRPE-87-40 as a new UN GTR on brake particulate emissions. He also introduced GRPE-87-41 as a final status report to the new UN GTR. The Chair shared his pride and gratitude with the work performed by the IWG on PMP to have a new UN GTR on such an important topic, and highlighted this proposal represented a milestone for GRPE and activities in the non-exhaust field.

64. The representative of the European Commission thanked the participants of the IWG on PMP for their collaboration in the development of this UN GTR and in particular the chairs of the IWG and task forces for putting together this new UN GTR proposal in a timely manner. She proposed that the UN GTR proposal be adopted today by GRPE, with the understanding that the IWG on PMP will continue to improve it by introducing changes as soon as possible, and preferably by June 2023, if feasible.

65. The representatives from France, Germany, Italy, Japan, the Netherlands, Sweden, Switzerland and the UK supported the proposal and agreed to a swift development of a vehicle-specific procedure to determine the share of non-friction brake events for hybrid and pure electric vehicles.

66. GRPE adopted ECE/TRANS/WP.29/GRPE/2023/4 as amended by GRPE-87-40, as reflected in Addendum 3 to the session report and GRPE-87-41, as reflected in Annex XII to the session report and requested the secretariat to submit them to WP.29 and AC.3 for consideration and vote at their June 2023 sessions as draft new UN GTR on Laboratory Measurement of Brake Emissions for Light-Duty Vehicles and its final status report respectively.

GRPE-87-40 | Brake emissions: Proposal to amend the draft new UN GTR Updated proposal for the new GTR on laboratory measurement procedures for brake particulate emissions from the PMP informal group. This document is also available with tracked changes in <a href="https://unece.org/sites/default/files/2023-01/GRPE-87-40e_track.pdf" target="_blank">pdf version</a> and <a href="https://unece.org/sites/default/files/2023-01/GRPE-87-40e_clean.docx" target="_blank">.docx format</a>.

GRPE-87-41 | Brake emissions: Final Status report on the development of the new UN GTR Report on the background and development of the text for a new UN GTR on laboratory measurement procedures for brake particulate emissions.

GRPE-87-46 | Status report of the PMP informal group

GRPE/2023/4 | Brake emissions: Proposal for a new UN GTR on Laboratory Measurement for Light-Duty Vehicles Proposal from the PMP informal group to establish harmonized provisions for the measurement of brake wear particle emissions.

67. The representative from France, Co-Chair of the GRBP/GRPE Tyre Abrasion Task Force (TFTA) introduced GRPE-87-35. The representative from OICA thought that reference to C1, C2 or C3 tyre classification was not recognized outside of the EU. The Co-Chair of the TFTA informed that such classification were included in UN Regulations No. 30 or 54 for example.

68. GRPE did not receive any new proposals for discussion under this agenda item.

69. GRPE did not receive any new proposals for discussion under this agenda item.

70. The Co-Chairs of IWG on EPPR presented a status report (GRPE-87-22). They updated GRPE on the latest activities of the group and also introduced updated Terms of References for the IWG on EPPR (GRPE-87-23-Rev.1).

71. GRPE adopted GRPE-87-23-Rev.1 with clear leadership for the years to come.

GRPE-87-22 | EPPR: Status report to GRPE

GRPE-87-23/Rev.1 | EPPR: Proposal for revised terms of reference

72. GRPE did not receive any new proposals for discussion under this agenda item.

73. The representative from the US, Co-Chair of the IWG on EVE presented the status report introducing the latest activities of the group (GRPE-87-52). With respect to UN GTR No. 21, the representative from OICA agreed that all gaps should be bridged to account for the fact that the whole vehicle is being tested and not a powertrain in a laboratory. Regarding UN GTR No. 22, he raised the remaining issue of category 2 vehicles that would need urgent action. He proposed to consider the possibility to look at energy throughput as a potential solution to take into consideration the high non-driving energy demand in some applications. The Co-Chair of the IWG on EVE agreed and confirmed the IWG on EVE has a common understanding on the remaining issues to be solved in UN GTRs Nos. 21 and 22.

GRPE-87-52 | Status report of the EVE informal group

74. The Co-Chair of the IWG on EVE introduced ECE/TRANS/WP.29/GRPE/2023/8. The representative from OICA highlighted the need to deep dive into the testing procedure and praised the progress made so far. The Co-Chair of the IWG on EVE congratulated the productive work from the IWG on this matter, especially the constructive collaboration between the members from OICA and the representatives from the European Commission from JRC to deliver on the procedure in a timely matter.

75. GRPE adopted ECE/TRANS/WP.29/GRPE/2023/8 and requested the secretariat to submit them to WP.29 and AC.3 for consideration and vote at their June 2023 sessions as request for authorization to develop a new UN GTR on in-vehicle battery durability for electrified heavy-duty vehicles.

GRPE/2023/8 | Heavy-duty EV battery durability: Draft request for authorization to develop a new UN GTR

76. The Co-Chair of the IWG on EVE introduced GRPE-87-42-Rev.1. GRPE adopted GRPE-87-42-Rev.1 as revised Terms of References for the IWG on EVE.

GRPE-87-42/Rev.1 | Proposal to update the EVE informal group terms of reference Proposal for updated goals and objectives for the EVE informal group, including<ul><li>A new GTR on battery durability for electric heavy-duty vehicles (to GRPE in June 2024)</li><li>Amendments to GTR 22 on light vehicle battery durability (through January 2024)</li><li>Consideration of candidate test method and family concepts under GTR 21 on power determination</li><li>Support to the Group of Experts on Energy Efficiency on the upstream impact of electric vehicles on energy consumption and emissions.</li></ul> This revised document is available with tracked changes in <a href="https://unece.org/sites/default/files/2023-01/GRPE-87-42r1e_Track.pdf" target="_blank">pdf version</a> and in <a href="https://unece.org/sites/default/files/2023-01/GRPE-87-42r1e_Track.docx" target="_blank">.docx format</a>.

77. Given there has not been any activities under this agenda item for the last few sessions of GRPE, the secretariat wondered if this item could be removed from the agenda to lighten the agenda of GRPE. The representative from OICA said that M.R.2. is a valuable document that needs to be updated to be fully relevant, and he stood ready to support on the administrative side to revive the activity that would require some involvement from contracting parties and a free forum to discuss the issues covered. The representative from Germany requested to reconsider this topic at the next session of GRPE. The Chair agreed to keep this item on the agenda of GRPE and to try and maintain M.R.2. up to date when possible.

78. The GRPE ambassador to the IWG on IWVTA and DETA introduced GRPE-87-20 and GRPE-87-21 updating GRPE on the latest information from the IWG on DETA about the implementation of the Unique Identifier (UI) in UN Regulations pertinent to GRPE. He also informed that the budget expected for 2023 to develop the UI had not been approved.

79. The representative from EUROMOT requested more time to review the need for UI in UN Regulations Nos. 96 and 120. He added that initial thinking done assumed that UI would not be able to mandate additional information. He requested to have a second look at the topic if UI could be accompanied with additional information to be read on the component, which would be needed for most engines to be fitted on non-road mobile machineries.

80. The representative from CITA showed a few examples of the impact of UI on space savings, to highlight the fact that in some cases, it would not save much space, and that this would not compensate time spent to search for the information on-line that would otherwise be readily available. He invited to re-think the configuration of UI, with the funding to develop it now being on-hold. The representative from OICA confirmed space was an issue on powertrain and also noted that several UIs could be combined.

81. The GRPE ambassador to the IWG on IWVTA and DETA agreed UI noted there might be advantages to OEMs to save space and a disadvantage to PTI and Type Approval Authorities to quickly get access to information. He proposed to convey to the IWG on DETA and IWVTA that GRPE thought that the disadvantages of UI outweighed their advantages. The representative from CITA believed embedded UI could be of use and again invited to further scrutinize the UI implementation for an optimum implementation for all parties.

82. The representative from the European Commission invited by the ambassador to change “smoke coefficient” by “absorption coefficient” in the remarks of Table for UN Regulation No. 24 in GRPE-87-21.

83. The Chair concluded that further remarks can be sent to the GRPE ambassador.

GRPE-87-20 | DETA: Request to provide clarity on UN Regulations and Unique Identifier marking

GRPE-87-21 | DETA: Position on application of DETA Unique Identifier to UN Regulations under GRPE Input from the GRPE Ambassador to the WP.29 International Whole Vehicle Type Approval informal group.

84. The Chair of IWG on Vehicle Interior Air Quality (VIAQ), representative from the Russian Federation, presented a status report on the ongoing activities of the group (GRPE-87-47). He informed GRPE about the latest progress and the items agreed during the last IWG meetings.

85. The Chair acknowledged the good progress made by IWG on VIAQ and was looking forward to consider the draft proposal in June 2024.

GRPE-87-47 | Status report of the VIAQ informal group

86. The Co-Chair from the IWG on Periodic Technical Inspection (PTI), representative from the Netherlands, introduced ECE/TRANS/WP.29/GRPE/2023/9 and GRPE-87-57. He informed GRPE that similar activities on PN measurement at PTI was on-going in other regions, for example in the EU. He requested additional time to review ECE/TRANS/WP.29/GRPE/2023/9 and reach harmonized approach before requested consideration by GRPE.

87. The representative from Germany informed GRPE that the country was about to start PN measurement at PTI and declared harmonized PN measurement at PTI was welcomed providing they do not contradict national legislation. He highlighted that there are already differences in equipment specifications and said that a limit of 250 000 #/cm3 was appropriate to detect malfunctioning particulate filters. He added that in a recent test campaign in Germany, some Euro 6 vehicles did not provide OBD signals for DPF regeneration status or EGR operation that would need to be discussed to be able to provide accurate interpretation of the measurements.

88. The representative from OICA expressed his surprise by the high share of vehicle with problems. He reminded that technologies to detect removed filters has improved but that not all OEMs have implemented such technologies until it was legally required.

89. The representative from CITA supported the proposal to align proposal and to slightly delay the consideration of ECE/TRANS/WP.29/GRPE/2023/9. The representative from the European Commission, expert from the JRC, informed GRPE about the development of the EU recommendation on PN at PTI, and agreed to closely work with the IWG on PTI on harmonized provisions.

90. GRPE agreed to postpone the consideration of ECE/TRANS/WP.29/GRPE/2023/9 until a revised proposal is delivered by the IWG on PTI.

91. The representative from CITA introduced GRPE-87-36. The representative from Germany sought some clarifications on the potential shortage of replacement particulate filters shortly after the introduction of the test in Belgium and requested further information on this topic. The representative from CITA confirmed the replacement parts shortage was still on-going, but that authorities were offering solutions to make sure owners could still use their cars, such as additional time to repair faulty vehicles.

92. The secretary from the IWG on PTI, representative from CITA, introduced GRPE-87-24. The representative from the European Commission asked whether emission tampering was a PTI or a type approval issue and called for GRPE to play an active role in the activities of the task force. The secretary from the IWG on PTI clarified tampering was both a PTI and type approval issues and added that all proposals form the task force on emission tampering under the IWG on PTI would be introduced to GRPE before submission to WP.29, and was adamant that a close working relationship between GRPE and the IWG of PTI was a prerequisite for successful activities of the task force on emission tampering.

93. The Chair confirmed it was appropriate to include such emission tampering issues under the umbrella of the IWG on PTI, with close links with GRPE. He sought the view of GRPE on the creation of an ambassador role for a delegate to report in GRPE about the activities of the task force on emission tampering. The representative from the European Commission thought an ambassador role was not appropriate, highlighting that GRPE should actively contribute to the activities of the task force. The representative from CITA said they were happy to convey information in the most efficient way to GRPE, as ambassador or not. The Chair highlighted an ambassador role was potentially not limited to information exchange and could have a more active role if need be. GRPE agreed to be regularly updated and to add such provision into the ToRs of the task force on emission tampering under the IWG on PTI.

94. The Co-Chair of the IWG on PTI, representative from the Netherlands, highlighted there was a lot of emission tampering in heavy duty applications, and that market surveillance and roadside inspection were additional tools used on top of PTI to detect faulty vehicles and that such results could also be reported to GRPE in the future.

GRPE-87-24 | Emissions Anti-tampering: Proposal of terms of reference for a new PTI task force Proposal for a task force to identify regulatory aspects that can be improved to make tampering more difficult and easier to detect, along with the identification and definition of the most effective methods to detect tampering.

GRPE-87-36/Rev.1 | PTI: PN measurement in Belgium (First Results July - October 2022)

GRPE-87-57 | PN measurement for Diesel

GRPE/2023/9 | RE6: Proposal for amendment Proposal from the PTI informal group to add the possibility to perform a particle number (PN) test on diesel cars of categories M and N into Resolution R.E.6.

95. The Chair of the IWG on A-LCA introduced GRPE-87-38 and GRPE-87-39-Rev.1. The representative from the European Commission welcomed the good discussions that have started in the IWG on A-LCA and thanked the leading team for the materials prepared to help advance the discussion in the group. She agreed with the proposed changes to the ToR, with the original text in para 2.2. She confirmed that the documents prepared by the leading team on the timeline and proposed split of work represented a good start and looked forward for the discussions at the next meetings. She confirmed the support and involvement of the EU in the work of the IWG on A-LCA moving forward.

96. She concluded by being grateful for the opportunity for the meetings, also in online/hybrid formats, which can support completing the work within the timeline agreed. She finally noted the need to keep any split into subgroups at a reasonable and manageable level to ensure that the work remained focused and the IWG on A-LCA can deliver on its objective.

97. The representative from the UK supported the adoption of the ToRs in this session and agreed with the content of para. 2.2. The representative from Japan also supported the adoption of the ToRs as reflected in GRPE-87-39-Rev.1.

98. GRPE adopted the proposal and requested the secretariat to organize an additional session of GRPE dedicated to LCA to support fast progress of the activities undertaken by the IWG on A-LCA, preferably in April 2023.

GRPE-87-38 | Status Report of the Automotive Life Cycle Assessment (A-LCA) informal group

GRPE-87-39/Rev.1 | Draft terms of reference for the A-LCA informal group

99. The Chair introduced GRPE-87-29 and GRPE-80-04-Rev.1. The representative from the European Commission provided written comment to both documents that were discussed during the session.

100. GRPE adopted GRPE-87-54-Rev.1 as a revised GRPE list of priorities to be shared with WP.29/AC.2 and to be included in the 2023 programme of work of WP.29.

101. GRPE adopted GRPE-87-55 as an update to the GRPE emission topics list to be used as an internal reference for longer list of potential topics to be addressed by GRPE in the future.

GRPE-87-29 | GRPE priorities under consideration

GRPE-87-54/Rev.1 | Comments on GRPE priorities

GRPE-87-55 | Update to GRPE emission topics list

102. The Co-Chair of the GRVA’s Task force on The Fitness for Automated Driving Systems of UN Regulations and UN GTRs (FADS), representative from France, introduced GRPE-87-34. The Chair highlighted the need to create a dedicated task force within GRPE to initiate this extensive and needed activity. The representative from OICA showed support to the creation of a dedicated task force but asked key questions on the future on emissions testing and ADS, such as if there would be still internal combustion engines in the future or if emission tests would still be carried on dynamometer for vehicles fitted with ADS. He agreed to consult internally on the best way forward and to identify potentially interested people to join such task force.

103. The representative from the Netherlands supported the creation of a task force and agreed to consult internally to identify potentially available resources to help perform this very extensive task. The representative from South Africa, highlighted that some national stakeholders might be interested to be involved in this activity, and agreed to consult internally. The representatives from France and the UK were supportive to create a task force.

104. The representative from the US sought further details on the role and responsibilities of potentially interested parties. The GRVA secretary referred to GRVA-14-54-Rev.1 to provide guidelines for expected activities of the task force.

105. The Chair invited the task force to hold a first kick-off meeting in the same timeline as the next GRPE session in April 2023.

GRPE-87-34 | Reviewing UNECE Regulations and GTRs on their Fitness for ADS Input from the GRVA task force on the screening of WP.29 regulations for their fitness in application to Automated Driving Systems and ADS vehicles (FADS).

GRVA-14-54/Rev.1 | Automated Vehicles Regulatory Screening of UN Regulations and GTRs - Guidance Guidance from GRVA regarding the review of WP.29 regulations for applicability to vehicles equipped with driving automation systems.

106. The representative of the European Commission introduced GRPE-87-37. The representative from OICA sought some clarification about expected NOx reduction potential for Euro 7 heavy duty trucks. The secretariat sought further details about the proposed Euro 7+. The representative from European Commission clarified that Euro 7+ has a 20% lower emission limit for gaseous regulated pollutant and one order of magnitude for PN. For electric vehicles, battery durability should 10% more capacity retention than for Euro 7.

107. The representative from OICA informed about the on-going consultation process and clarified that OICA did not have a position on Euro 7 as a global association.