GAR | WP.29 Documents

UN R49: Proposal for a Supplement to the 05 series of amendments

Reference Number: GRPE/2024/13

Proposal to permit the use of hydrogen (H2) as fuel for emissions type-approval of heavy duty vehicles.

Submitted by: OICA

Meeting Sessions: 90th GRPE session (9-12 Jan 2024)

Document date: 31 Oct 23

Document status: Superseded

Relevant to

UN Regulation No. 49 | Diesel and CNG/LNG Engine Emissions

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UN R49: Proposal for a Supplement to the 06 series of amendments

Reference Number: GRPE/2024/14

Proposal to permit the use of hydrogen (H2) as fuel for emissions type-approval of heavy duty vehicles and to introduce an option to measure the total hydrocarbon (THC) emissions instead of measuring the non-methane hydrocarbon emissions in certain cases.

Submitted by: OICA

Meeting Sessions: 90th GRPE session (9-12 Jan 2024)

Document date: 31 Oct 23

Document status: Superseded

Relevant to

UN Regulation No. 49 | Diesel and CNG/LNG Engine Emissions

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PMP informal group: Updated terms of reference (final version)

Reference Number: PMP-53.3-03

Meeting Sessions: PMP-53.3 (29 Jun 2023)

Document date: 29 Jun 23

Relevant to

UN Regulation No. 49 | Diesel and CNG/LNG Engine Emissions, UN Regulation No. 83 | Motor Vehicle Emissions, GTR No. 15 | Worldwide Harmonized Light Vehicle Emissions Test Procedure, GTR No. 24 | Laboratory Measurement of Brake Emissions for Light-Duty Vehicles, WP.29 Discussion Topic | Particle Measurement Programme, and WP.29 Regulatory Project | Tyre abrasion test method development

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ITC Strategy on reducing greenhouse gas emissions: GRPE input

Reference Number: GRPE-89-28

Meeting Sessions: 89th GRPE session (30 May-2 Jun 2023)

Document date: 30 May 23

Relevant to

UN Regulation No. 49 | Diesel and CNG/LNG Engine Emissions, UN Regulation No. 101 | Carbon Dioxide Emissions and Fuel/Energy Consumption, UN Regulation No. 154 | Light Vehicle Emissions Type Approval Test Procedure, GTR No. 2 | Motorcycle Emissions and Fuel Consumption, GTR No. 4 | Worldwide Heavy-Duty Vehicle Emissions Certification Procedure, GTR No. 15 | Worldwide Harmonized Light Vehicle Emissions Test Procedure, GTR No. 22 | Electrified Vehicle Battery Durability, GTR No. 23 | Durability of L-category Vehicle Pollution Control Devices, GTR No. 25 | Heavy-Duty Electric Vehicle Battery Durability, WP.29 Regulatory Project | Automotive Life Cycle Assessment, and WP.29 Discussion Topic | Climate Change and Transport

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UN R49: Proposals for type approval of H2 engines

Reference Number: GRPE-89-29

Submitted by: OICA

Meeting Sessions: 89th GRPE session (30 May-2 Jun 2023)

Document date: 30 May 23

Relevant to

UN Regulation No. 49 | Diesel and CNG/LNG Engine Emissions

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UN R49: Proposal for a new Supplement to the 05 series of amendments

Reference Number: GRPE-89-30

Proposal to permit the use of hydrogen (H2) as fuel for emissions type approval of heavy-duty vehicles.

Submitted by: OICA

Meeting Sessions: 89th GRPE session (30 May-2 Jun 2023)

Document date: 30 May 23

Document status: Superseded

Relevant to

UN Regulation No. 49 | Diesel and CNG/LNG Engine Emissions

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Download from UNECE:

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UN R49: Proposal for a new Supplement to the 06 series of amendments

Reference Number: GRPE-89-31

Proposal to permit the use of hydrogen (H2) as fuel for emissions type approval of heavy-duty vehicles.

Submitted by: OICA

Meeting Sessions: 89th GRPE session (30 May-2 Jun 2023)

Document date: 30 May 23

Document status: Superseded

Relevant to

UN Regulation No. 49 | Diesel and CNG/LNG Engine Emissions

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UN R49: Proposal for Supplement 8 to the 06 series of amendments
Reference Number: WP.29/2023/59
Proposal to correct drafting errors in the text.
Meeting Sessions: 190th WP.29 session (19-22 Jun 2023)
Document date: 04 Apr 23
Document status: Adopted by WP.29
Relevant to UN Regulation No. 49 \| Diesel and CNG/LNG Engine Emissions
Adoption Vote
This proposal (WP.29/2023/59) was adopted by the World Forum. Thirty-one Contracting Parties out of the 49 applying UN R49 were present for the vote by AC.1. Thirty-one voted in favor with zero against and zero abstaining.
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UN R49: Proposal for Supplement 2 to the 07 series of amendments
Reference Number: WP.29/2023/60
Proposal to permit the use of hydrogen (H2) as fuel for emissions type approval of heavy-duty vehicles, to insert provisions in Supplement 7 to the 06 series that were unintentionally omitted, to add a requirement for the accuracy of the humidity sensor, correct a typographical error (NOx mode), and to clarify the procedures.
Meeting Sessions: 190th WP.29 session (19-22 Jun 2023)
Document date: 04 Apr 23
Document status: WP.29 amended and adopted
Relevant to UN Regulation No. 49 \| Diesel and CNG/LNG Engine Emissions
Adoption Vote
This proposal (WP.29/2023/60), as amended by para. 99 of the session report, was adopted by the World Forum. Thirty-one Contracting Parties out of the 49 applying UN R49 were present for the vote by AC.1. Thirty-one voted in favor with zero against and zero abstaining.
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UN R49: Proposal for a Supplement to the 07 series of amendments

Reference Number: GRPE-87-53

Proposal based on ECE/TRANS/WP.29/GRPE/2021/14, as amended by Annex X of the report of the 83rd GRPE (Supplement 7 to the 06 series of amendments). Some modifications were not taken onboard in the 07 series of amendments (and Supplements 1, 2 and 3). For the remaining amendments included in this proposal, the justifications are:

UN R49 does not define linearity requirements for humidity sensors. As the humidity content of the intake air is an essential measure for the calculation of the specific exhaust emission, it is important to add requirement for humidity sensor. Reference: ISO 16183 the accuracy of the absolute humidity shall be +- 5%.
Typo error: the instrument should be now in NOx mode.
To clarify the operation procedure, make the text easier to be understood.

This document is also available with tracked changes in pdf version and in .doc format.

Submitted by: France

Meeting Sessions: 87th GRPE session (10-13 Jan 2023)

Document date: 13 Jan 23

Document status: Superseded

Relevant to

UN Regulation No. 49 | Diesel and CNG/LNG Engine Emissions

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Euro 7: New proposal for vehicle emissions type approval in Europe

Reference Number: GRPE-87-37/Rev.1

Submitted by: EC

Meeting Sessions: 87th GRPE session (10-13 Jan 2023)

Document date: 12 Jan 23

Relevant to

UN Regulation No. 49 | Diesel and CNG/LNG Engine Emissions, UN Regulation No. 83 | Motor Vehicle Emissions, GTR No. 22 | Electrified Vehicle Battery Durability, GTR No. 24 | Laboratory Measurement of Brake Emissions for Light-Duty Vehicles, UN Regulation No. 168 | Real Driving Emissions Test Procedure, WP.29 Discussion Topic | Vehicular Communications and Connectivity, GTR No. 25 | Heavy-Duty Electric Vehicle Battery Durability, WP.29 Discussion Topic | Particle Measurement Programme, WP.29 Discussion Topic | PTI Tampering Detection, WP.29 Discussion Topic | Periodical Technical Inspections: Remote Access to Vehicle Data, WP.29 Discussion Topic | PTI: Whole Life Compliance, and WP.29 Regulatory Project | Tyre abrasion test method development

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Type Approval of H2 Engines

Reference Number: GRPE-87-50

Background on changes proposed to UN R49 and UN R85 to address hydrogen fuel and heavy vehicles.

Submitted by: OICA

Meeting Sessions: 87th GRPE session (10-13 Jan 2023)

Document date: 12 Jan 23

Relevant to

UN Regulation No. 49 | Diesel and CNG/LNG Engine Emissions and UN Regulation No. 85 | Power Measurement of Internal Combustion Engines and Electric Motors

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UN R49: Amendment to GRPE/2023/6

Reference Number: GRPE-87-30

Submitted by: OICA

Meeting Sessions: 87th GRPE session (10-13 Jan 2023)

Document date: 06 Jan 23

Document status: Superseded

Relevant to

UN Regulation No. 49 | Diesel and CNG/LNG Engine Emissions

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

Reference Number: GRPE-87-31

Submitted by: EC and OICA

Meeting Sessions: 87th GRPE session (10-13 Jan 2023)

Document date: 06 Jan 23

Document status: GR information

Relevant to

UN Regulation No. 49 | Diesel and CNG/LNG Engine Emissions

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Amendments Revisions Contracting Parties Documents Meetings (95) Notifications ← Back

Documents 2023 14 documents

6 Jan 2023 UN R49: Amendment to GRPE/2023/6 (OICA) GRPE-87-30

6 Jan 2023 R49: Information supporting proposal to amend ECE/TRANS/WP.29/GRPE/2023/6 (EC and OICA) GRPE-87-31

12 Jan 2023 Euro 7: New proposal for vehicle emissions type approval in Europe (EC) GRPE-87-37/Rev.1

12 Jan 2023 Type Approval of H2 Engines (OICA) GRPE-87-50

13 Jan 2023 UN R49: Proposal for a Supplement to the 07 series of amendments (France) GRPE-87-53

30 May 2023 ITC Strategy on reducing greenhouse gas emissions: GRPE input GRPE-89-28

30 May 2023 UN R49: Proposals for type approval of H2 engines (OICA) GRPE-89-29

30 May 2023 UN R49: Proposal for a new Supplement to the 05 series of amendments (OICA) GRPE-89-30

30 May 2023 UN R49: Proposal for a new Supplement to the 06 series of amendments (OICA) GRPE-89-31

31 Oct 2023 UN R49: Proposal for a Supplement to the 05 series of amendments (OICA) GRPE/2024/13

31 Oct 2023 UN R49: Proposal for a Supplement to the 06 series of amendments (OICA) GRPE/2024/14

29 Jun 2023 PMP informal group: Updated terms of reference (final version) PMP-53.3-03

4 Apr 2023 UN R49: Proposal for Supplement 8 to the 06 series of amendments WP.29/2023/59

4 Apr 2023 UN R49: Proposal for Supplement 2 to the 07 series of amendments WP.29/2023/60

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