Chair welcomed participants for the meeting #8 in India. Director of ARAI welcomed the IWG on WLTP and stressed the strong commitment of India in supporting the WLTP project. She pointed out the importance of future developments of concepts for alternative fuels and electrified vehicles for the country. Chair thanked ARAI for hosting the IWG WLTP experts and for the perfect organization.

Minutes of 7th IWG meeting (WLTP-07-18e) were adopted without changes. India will give additionally information about the round robin exercises (item 11).

WLTP-07-18 | Draft minutes of the 7th WLTP informal working group session

WLTP-08-02/Rev.3 | Draft agenda for the 8th WLTP informal working group session (Revision 3)

Update since 7th IWG meeting (WLTP-08-03e) was presented. The relevant task forces and their leaders are named (see column: contact person). TF leaders are required to inform WLTP leading team about TF members as well as agendas and minutes of scheduled TF meetings. WLTP leading team will collect the information and provide it to IWG members until WLTP IWG meeting #9.

WLTP-08-03 | WLTP Phase 1b open issues status sheet

#50: RCB Correction:
ACEA provided a new proposal (WLTP-SG-EV-06-11) to obtain RCB correction coefficient of CS with warm condition and this is applicable for vehicles in the same family. WLTP IWG feedback was in general positive; the proposal provides a good balance between accuracy and testing burden. JPN will review this proposal and will respond before WLTP IWG meeting #9. The issue is expected to be closed after the JPN’s response. WLTP IWG Chair requested EV Chairs to provide a separate IWG document for adoption.

WLTP-SG-EV-06-11 | WLTP: RCB correction for (N-)OVC-HEV charge sustaining test (Open issue no. 50)

#55: Phase Specific calculation:
ACEA demonstrates that phase specific range calculation for PEV works well (WLTP-SG-EV-06-03). For HEVs, phase specific values could be obtained by the new proposal from ACEA, as mentioned in open issue #50. In this connection EU-COM requested more data, which JPN offered to provide. This issue could be closed in WLTP IWG meeting #9 as well, after the JPN’s response for the proposal.

WLTP-SG-EV-06-03/Rev.1 | Phase-specific calculation for PEV range (revised)

#2, #56: CO2 family definition and Combined Approach:
For CO2 family definition, proposals from both ACEA and JPN have been discussed (WLTP-SG-EV-06-04, WLTP-SG-EV-06-05). For combined approach, JPN proposed a method with a midpoint in energy demand in interpolation of vehicles in a family.

ACEA proposed that the midpoint could create two new families. The concept needs to be developed further regarding definition of the midpoint.

T&E proposes to combine the two proposals from JPN and ACEA to clarify which parameters need to be considered regarding phase specific values in the combined approach.

WLTP-SG-EV-06-04/Rev.1 | WLTP: ACEA input on EV consumption and range values Combined Approach

WLTP-SG-EV-06-05 | WLTP EV: Japan positions on open issues 2&56: FC/CO2 Family and Combined Approach

#52: End of test criteria for PEV:
ACEA presented proposals for end of test criteria for PEV for low power and vehicles with capped speed (WLTP-SG-EV-06-07).

JPN will present position on the proposal from ACEA at WLTP IWG meeting #9.

WLTP-SG-EV-06-07/Rev.1 | WLTP: PEV Range test procedure-End of test criteria

#3: System power determination:
WLTP Subgroup EV has not the sufficient resources to develop a procedure for the determination of the combined power of HEVs within the given timeframe of WLTP phase 1B. Therefore the initiative of EVE IWG is supported to develop such a procedure in a parallel process. A mandate is currently in development under the co-leadership of Germany (H. Holdik) and Korea (D. Choi). H. Holdik gave a short presentation about the scope and tentative timeline (WLTP-SG-EV-06-08).

Thus, this issue is closed in WLTP IWG. Nevertheless it is very important that WLTP Subgroup EV provides input to the EVE group, especially which performance criteria are needed for WLTP. The possibility to extend the scope from HEVs to PEVs and conventional vehicles should be reconsidered.

WLTP-SG-EV-06-08 | WLTP: Proposal on Determination of Powertrain Performance of Hybrid Electric Vehicles

#57: Utility factors:
Presentation of UF values (WLTP-SG-EV-06-12) from EU. JPN presented a proposal for GTR text (WLTP-SG-EV-06-15) that has been submitted to the drafting coordinator. As a remark from ACEA: proposal still has to be discussed within Sub group EV.

India requested that a harmonized methodology for UF development is provided in the GTR. This is helpful for CP who haven’t determined UF factors yet and might encourage CPs to use the given UFs instead of developing own ones.

WLTP IWG supported the following general approach:
1) Harmonized methodology in GTR to derive regional UF values
2) Non-harmonized UF values, based on regional parameters (overview on different regional UF values given in GTR)

Issue 2) will be raised by WLTP IWG Chair in progress report to GRPE in the general context Further political discussion regarding the of including inclusion of regional options in the GTR will take place in GRPE.

WLTP IWG Chair requested EV Chairs to provide a separate working document for IWG meeting #9. It shall include a comparison on existing methodologies for UF development and give a view on chances for harmonization.

Outcome of Annex 8 drafting meeting was not discussed .The further proceeding is connected to the general drafting issues (item 11) and the establishment of a IWG Drafting Task Force.

WLTP-SG-EV-06-12 | WLTP: Fractional utility factors

WLTP-SG-EV-06-15 | WLTP: Japan comments on utility factor for off-vehicle charging of hybrid electric vehicles

#5: Modifications of the calculation parameter/coefficients r0, a1 and b1 (WLTP-08-10e)
India requested modifications and made a respective proposal. Modified calculation parameter/coefficients were developed. Effects for M1 and N1 vehicles were shown. O. Eberhardt expressed his concerns; if the approach would probably apply to N1 vehicles on the European market in future (note: this is not the case today). Proposed parameters were supported by India, JPN, EC as a compromise solution and adopted by WLTP IWG.

WLTP-08-10 | Modifications to the WLTP calculation parameter coefficients (Open issue item 5) Proposal for modifications to the calculation parameter/coefficients r₀, a₁ and b₁ prepared by the WLTP downscaling issues task force.

#6: Annex 2, section 2, use of the gearbox, required data (WLTP-08-11e, WLTP-08-12e)
A modified description for n_{min_drive} and a modified definition for n_max were developed by the task force and presented for adoption. The 2 proposals were adopted by WLTP IWG.

For the amendment of definition of n_{min_drive}, the perspective was given to have a proposal ready for adoption for IWG meeting #10.

For the calculation of gear use if separate groups of transmission ratios are available, the proposal to base the gear use determination on the group normally used for on-road operation was adopted by WLTP IWG. The wording needs to be improved regarding “range” (B. Coleman, Drafting Coordinator).

Definition of exception of crawler gears in current gtr was discussed in TF without conclusion. Timeframe was extended to IWG meeting #10.

WLTP-08-11 | WLTP use of the gearbox: required data (Open issue item 6) Open issue 6 "Use of the gearbox, required data" concerns the following:<ul><li>modification of the definition of n_{min_drive} to make it more appropriate for modern engines and to make manipulations more difficult.</li><li>Addition of n_max to section 2 and amendment of required data because the current definition is not appropriate for low powered vehicles.</li><li>Replacement of P_normwot(n_{norm i, j}) in Section 2 (i) by P_wot(n_{i, j}) because there is no need for the normalisation.</li></ul>

WLTP-08-12 | WLTP: Use of the gearbox, auwiliary gearboxes, exception of crawler gear (Open issue item 6) Proposal to add requirements, address vehicles with a two-range transmission (low and high), and introduce the possibility to exclude crawler gears from the gear use calculation. The presentation proposed to add a provision: "For vehicles equipped with a two range transmission (low and high), only the range designed to normal on road operation is considered for the gear use determination."

#6: Annex 2, sections 3.2 and 3.3 (WLTP-08-13e):
For determination of engine speed improved descriptions were developed. The proposals were adopted by WLTP IWG.

Additional safety margin for full load power curve was required by India and manufacturers. Task force developed an exponential approach. Amendment of gtr is proposed and was adopted by WLTP IWG. India will analyses the impact of the tolerance band of power determination and will give additional feedback to the task force.

WLTP-08-13 | WLTP: Determination of engine speeds and calculation of available power (Open issue item 6) Proposals to clarify and focus the text on engine speeds and to address requests for an additional safety margin in the full load power curve at certain engine speed sections.

#6: Revised text for annex 2 with requirements for deceleration phases (WLTP-08-14e /-14e_clean)
All additional text proposals were adopted by WLTP IWG.

WLTP-08-14/clean | WLTP: Revised text for Annex 2 (Open issue item 6) Clean copy of the proposal for a "fundamentally amended" version of Annex 2 in GTR No. 15.

#8: Annex 2, section 4b (WLTP-08-15rev1)
Proposal to replace 3 s rule by 2 s rule was required by manufacturers to avoid excessive engine speeds for “short” transmissions. Effect on number of upshifts was evaluated. TF proposes 2 s rule. Proposal was adopted by WLTP IWG.

WLTP-08-15 | WLTP: Replace 3 s rule by 2 s rule (Open issue item 8)

Progress report (WLTP-08-17-rev1e) was given on RLD issues (#10 – 21), incl. outcome of validation exercises, by TF Coordinator R. Cuelenaere

WLTP-08-17/Rev.1 | WLTP: Progress report on Annex 4 (Road Load Determination)

#11: onboard anemometry / wind conditions
No progress due to outstanding validation program. Program indicated by US/EPA, but no concrete information available, no assessment in TF possible. Conclusion of WLTP IWG: Wind condition criteria will stay unchanged in current gtr.

TNO will assess the need of improved specifications for the on-board measurement technology and report at IWG meeting#9. Decision to keep onboard anemometry in the gtr or not will be based on assessment from TNO and on further input from automotive industry, especially Ford.

#13-15: Torque meter method
Torque meter test results and initial gtr proposals will be presented by Ford in IWG meeting 9.

Starting note on tyre selection:
Presentation by K. Steininger (WLTP-08-18e). Proposal of EU-COM was discussed in the TF for Annex 4 without conclusion. Comprehensive information from ETRTO / tyre manufacturers regarding the distribution of rolling resistance values of aftermarket tyres within classes is still missing. Contracting Parties were not in a position to decide to add the issue to the open issue list of WLTP IWG or to reject it (means unchanged gtr provisions). Conclusion of WLTP IWG: RLD TF should not continue the discussions until the necessary data is available.

Independent from the EU COM proposal NL proposed that the gtr should reference to the ISO standard instead of R117 for determination of rolling resistance. NL (A. Rijnders) will provide a proposal for pre-discussion in the RLD TF and possible adoption at IWG meeting #9.

WLTP-08-18 | WLTP: handling of tyre rolling resistances for the combined approach

#1b_2: Concept for Road Load Family
WLTP-08-19e and an initial draft (WLTP-08-20e) were presented by Chr. Lueginger (OICA). Family concept was intensely discussed and in principle supported by WLTP IWG. Further development seems to be necessary. Approval will depend on results of validation (measurements are foreseen latest until mid 2015). Progress reports will be given continuously, adoption will be prepared for IWG meeting #12.

B. Coleman suggested renaming of “CO2-family” should be considered with reflection to pure EV. The term “CO2 family” is already blocked by some regional legislation, it should therefore be renamed. “Combined approach family” (or a similar term) would be more appropriate. Input is requested for IWG meeting #9.

WLTP-08-20 | Road load family draft (Open issue item 1b-2)

#10: Use of Wind tunnel data for combined approach:
Alternative delta CD*A determination (WLTP-08-21e) was outlined by BMW. It was agreed by WLTP IWG that there is a justified need for an alternative determination method and the proposal should be further evaluated. Nevertheless WLTP IWG raised strong concerns regarding the current lack of specifications of simulation tools to ensure equivalency of the alternative determination method. Some basic parameters should be established. Constraints in regard to energy difference should also be considered. Concept will be rediscussed at IWG meeting #9.

WLTP-08-21 | WLTP Annex 4 and 7, Delta Cd*Af: Alternative Cd*Af determination methods

#18: Use of wind tunnel + moving belt/dyno as alternative RLD method:
Status report by BMW (WLTP-08-22e) was presented. TF RLD prediscussed the proposal and supports the concept in principle. Work continues. Equipment and measurement method of moving belt dyno (WLTP-08-24e) were presented by Folko Rohde (VW) as basic principle.

India requested more detailed background information on the development of this new method in a form of a technical report. A more detailed progress report, incl. this background information, is expected by BMW in meeting #10, with a preview in meeting #9. It is also expected that the information will be given in the formal technical report which will be provided together with the GRPE working document for amendment of gtr No. 15. Initiative of Technical Gtr Sponsors (JPN, EC) is necessary.

UTAC presented comparison results (WLTP-08-23e) between coast down and windtunnel(WT)/chassdynamometer(CD) method. WT+CD offer a better repeatability & reproducibility than the track method. More data is expected from VW.

Initial gtr draft text of this new method was outlined (WLTP-08-25e) for wind tunnel and moving belt regarding procedure and equipment. Repeatability criteria have to be developed based on validation measurement results. Draft will be discussed further in detail in the task force and presented for confirmation in IWG meeting #10.

WLTP-08-22 | WLTP: RLD with flatbelt/dyno plus wind tunnel method status report

WLTP-08-23 | WLTP RLD with chassis dyno plus wind tunnel validation program

WLTP-08-24 | WLTP wind tunnel method: Requirements for flat belt Input for open issue items 10 and 18.

WLTP-08-25 | WLTP wind tunnel method: draft GTR provisions

#17: Default road load parameters:
Explanation of hybrid approach (incl. extension of scope) was given by NL (WLTP-08-26e). Approach is necessary especially for multi-stage vehicles (MSV) and can be used as an option to full measurement or application of default road load values. WLTP IWG welcomed the initial proposal and requested to develop it further in the RLD TF. JPN had concerns to extend the scope of application to other vehicles than MSV, e.g. N1.. Based on the statements from other Contracting Parties, e.g. Germany / NL, it was agreed by WLTP IWG that the RLD TF should further investigate the possibility of scope extension. India requested that default road load values shall be based on real data. WLTP IWG asks RLD TF for clarification of validation needs and further steps for reporting in IWG meeting #9.

ACEA welcomed the NL proposal and gave a feedback (WLTP-08-27e). Additional coast down data and comparison to the adjusted default values are expected to be delivered by ACEA to RLD TF. The separate proposal to adapt the factor of “F0” in the current gtr formula should be further discussed in the RLD TF. ACEA also offered to provide a document which describes the EU concept of MSV as background information for other Contracting Parties. WLTP IWG agreed to postpone final discussion on default parameters to IWG meeting #10.

WLTP-08-26 | WLTP: Hybrid vehicle default road load method

#12, #21 Definition of Reference speed points:
WLTP-08-28e was adopted by WLTP IWG. TF was thanked for the constructive way of working on an agreement. Draft will be given to the Drafting Coordinator.

WLTP-08-28 | WLTP: Proposal for reference speeds (version 3) Final proposal of the Speed Points (OIL #12, #21) drafting group.

#19: Proposal for alternative warm up procedure:
WLTP-08-29-rev1e was presented by T. Fujiwara. WLTP IWG agreed on the content and calls it adopted. T. Fujiwara & RLD TF should check whether the proposed wording needs editorial improvements. Final gtr wording will be provided by T. Fujiwara to the Drafting Coordinator before IWG meeting #9.

WLTP-08-29/Rev.1 | WLTP: Alternative warm-up procedure (Open issue 19)

#23: 4WD dyno specifications:
T. Fujiwara outlined amendment proposal (WLTP-08-05) which was (in principle) adopted by WLTP IWG. Proposal needs editorial improvement (clarification of and / or composition and reordering of subparagraphs). Final wording will be given to the Drafting Coordinator by. T. Fujiwara.

WLTP-08-05 | WLTP: Requirements for 4WD dynamometers (Open issue item 23)

#24-26: Starting note
WLTP-08-30e from Th. Adam was presented by M. Bergmann. Expert meeting will be scheduled for reporting and adoption in IWG meeting #9.

WLTP-08-30 | WLTP: Starting note for open issue items 24-26 Initial comments concerning the chassis dynamometer calibration, force transducer and dynamometer parasitic loss calibrations, measurement equipment, and force measurement system under GTR No. 15.

#27: Number of tests:
Proposal of JPN (WLTP-08-31e) was outlined by T. Fujiwara and compared with the EU proposal (WLTP-08-43e), introduced by O. Eberhardt. WLTP IWG asked for further clarification of the Japanese proposal. A major point of discussion was related to the separation of CO2 / pollutants in connection with the question whether a declared or measured CO2 value will be used. EU was requested to clarify the future situation in EU legislation regarding the declaration of the CO2 value and give feedback to TF leader T. Fujiwara.

TF leader T. Fujiwara will convene experts to prepare a status document, which summarizes the situation (advantages/disadvantages of approaches), and develop a harmonized gtr draft text.

WLTP-08-31 | WLTP: Number of tests (Open issue item 27)

WLTP-08-43 | WLTP: Proposal on number of tests

#31: Provisions for Coasting:
Progress report (WLTP-08-32e) by TF leader Th. Vogel was introduced by H. Steven. Due to the fundamental objections from JPN (cycle modifications are not acceptable) the supplemental test and the proposal from PSA are obsolete. Therefore the proposal from BOSCH is currently the only option to continue the work in the TF. The BOSCH approach was described in more details: evaluation of phases within the WLTC where coasting might occur and considering the effect of coasting in these phases by post calculation. EU requests clarification of time alignment of CO2-modal data. Coasting TF should discuss this proposal further on expert level and report to next IWG meeting.

WLTP-08-32 | Progress report of the WLTP task force on the coasting method

WLTP-08-32/Annex.1 | Bosch proposal to the Coasting Method WLTP Task Force (Annex to the task force progress report)

34. – 38 Handling of Ki-Approach:
    Proposal for adoption by N. Ichikawa (WLTP-08-33e) was presented.

Conclusions:
#37: Proposal for handling of Engine shut off between regeneration tests was adopted by WLTP IWG.
#35: Alternative Ki loading method: Proposal adopted by WLTP IWG.
#36: Each phase ki for FC/CO2- TF will further discuss this issue
#38: Fixed Ki Transfer from R101 is proposed: adopted by WLTP IWG.
#34: Application of a 3- or- 4 phase Ki procedure will be discussed further in TF.

Draft text for adopted OILs will be provided to drafting coordinator by the TF leader, N. Ichikawa.

WLTP-08-33 | WlTP: Handling of Ki (Open issue items 34-38) Proposals from the task force assigned to consider these open issues.

Clarification on temperature provisions (soak / type 1 test):
WLTP-08-34e was presented by M. Bergmann and adopted by WLTP IWG. Proposal will be provided to the drafting coordinator.

WLTP-08-34 | WLTP: Vehicle temperature in test cell for Type I tests

Not discussed:
Brief oral reports on other OIL items
(especially on issues with proposals expected for meeting #9)

#38: CO₂/FC calculation:
Proposal of M. Bergmann was adopted by WLTP IWG not to add additional matlab formulae as redundant and to keep for consistency.

#42: Willans factors for petrol (E10) & diesel (B7):
Proposal by Th. Adam (WLTP-08-06-rev1e) was presented. The general approach was supported by JPN and India. Mean net heat value shall be the base, asked by India. Values are shall be included as table data. Germany had a scrutiny reservation and will give feedback to the table data latest well in advance of IWG meeting #10. Depending on feedback from Germany the proposal is called adopted by WLTP IWG or needs to be rediscussed in the TF and at IWG meeting #10.

WLTP-08-06/Rev.1 | WLTP: Willans factors for petrol (E10) & diesel (B7) (Open issue item 42)

#43: FC calculations:
Proposal of Th. Adam (WLTP-08-07e) was presented by M. Bergmann. India asked to check for used units in g/km and for inclusion of a generic formula. Proposal was adopted by WLTP IWG.

Draft text will be provided to the drafting coordinator and NL suggested crosschecking the proposal with item 2.3 of the calculation algorithms proposal by EC (WLTP-08-38e).

WLTP-08-07 | WLTP: Fuel consumption calculation for ICE vehicles (Open issue item 43)

WLTP-08-38 | EC cover note accompanying the draft TNO WLTP correction algorithms report

#47: FC interpolation method:
Proposal of Th. Adam (WLTP-08-08e) was presented by M. Bergmann. JPN and India asked for checking the use of theoretical cycle energy and distance in the calculation. Proposal was fully supported and adopted by WLTP IWG.

WLTP-08-08 | WLTP: Fuel consumption interpolation method (Open issue item 47)

#49: Calculation of CO2 value for an individual vehicle
Proposal by M. Bergmann (WLTP-08-35e) was adopted by WLTP IWG.

WLTP-08-35 | WLTP: CO2 calculation method (Open issue item 49) ACEA recommendation concerning the calculation of the CO2 value for an individual vehicle by the CO2 interpolation method (No addition of Matlab formulae in the GTR.)

#44–46: Additional pollutants:
Progress report was given by C. Astorga (WLTP-08-36e). Feedback on open points in Annex 5+7 has been provided to Drafting Coordinator by C. Astorga and will be reviewed within the drafting meetings.

Position paper (WLTP-08-38e) was presented by EU-COM with the aim to decide on a package of procedures for harmonization and a timeframe for inclusion into gtr (priorities A, B, C). The focus lies on issues with priority A (immediate EU implementation & introduction in gtr in phase1B) and B (further investigation and introduction in phase1B). Proposal on item 2.7 (inaccuracy of road load setting on the chassis dyno) was withdrawn during discussions.

A first view was given by ACEA (WLTP-08-46, -08-47 by BMW):
Item 2.2 (drive trace correction) several difficulties are not yet addressed, but most of them could possibly be solved in the timeframe of WLTP phase 1B. The aspects regarding EV vehicles can most likely not be solved in phase 1B. JPN shared the EV concerns. EU COM proposed to exclude EVs in a first step.
Regarding item 4.1 (Veh. conditioning for coast down, tyre pressure monitoring/control) it was suggested to deal with it in TF RLD, because it is no correction. WLTP IWG agreed that TF RLD should prepare a proposal.

Item 6.2 (Rotational inertia mass) needs in view of ACEA further investigation.

JPN will provide its positions in IWG meeting #9, with the focus on items with rank of A or B. (note: inclusion of other items in WLTP phase 2 needs to be discussed separately, see agenda item 11)

India requested information about data basis for indicated possible deviations. EU COM referred to details in the report of TUG / TNO (WLTP-08-37e).

EU will clarify the immediate need for introduction of a cycle correction in European legislation before adoption of WLTP phase 1B.

Chair recommends TF to continue the discussion focusing on the A-Elements and later on the B-Position. All Contracting Parties are strongly requested to give a clear position, if this approach should be handled in general within the scope of WLTP gtr and if yes, which of the proposed items are supported to be harmonized within phase 1B. (Deadline for feedback: 02.01.2015). Additional assessments with a view on technical aspects / possible difficulties and necessary validations are also welcomed.

WLTP-08-37 | EU/TNO WLTP correction algorithms draft study TNO draft report on "Correction algorithms for WLTP chassis dynamometer and coast-down testing".

WLTP-08-38 | EC cover note accompanying the draft TNO WLTP correction algorithms report

WLTP-08-46 | WLTP: BMW comment on drive trace correction

WLTP-08-47 | WLTP: BMW comments on the road load normalization of rotational mass

#41: Driving trace index:
Feedback from parties regarding status of validation was requested by Chair. JPN asks for driving trace data including bag data. ACEA will provide data from WLTP-NEDC correlation project in the EU. No further comments from other CPs

#59: System equivalency, Annex 9:
Starting note presented by K. Kolesa (WLTP-08-09e) Task force will be installed with members: Konrad Kolesa, Andre Rijnders, Iddo Riemersma, Christoph Lueginger, Les Hill; Bjoern Ramacherand external statistics experts

WLTP-08-09 | WLTP: Determination of system equivalency (Open issue item 59)

Round Robin exercises:
Brief oral reports were given by B. Coleman & T. Haniu about progress of ongoing measurements. India gave an overview on Asia round robin, which is based on the current status of gtr. Project of national Indian round robin is ongoing with strong support of manufacturers. Since China did not yet show clear position in participation, Chair is asked to clarify this issue again with China.

Amendment for Gtr 15 definitions
B. Coleman presented WLTP-08-39e and WLTP-08-45e. WLTP IWG welcomed the work and supported after discussion the definition of “maximum vehicle load” as a base for depending definitions. “Maximum vehicle laden mass” – feedback from JPN is expected. The proposed changes were not yet formally adopted, but supported by the WLTP IWG. Draft text will be given to the Drafting Coordinator. The technical aspects for continuously regenerating systems have to be integrated in the technical annex (Drafting Coordinator)

WLTP-08-39 | Propulsion systems definitions

WLTP-08-45 | Review of definitions in WLTP GTR

Drafting issues:
Chair introduced the process of amending the gtr text and announced to schedule a drafting meeting. Report (WLTP-08-40e) was given by S. Dubuc.

WLTP IWG received several comments from JPN, T&E and OICA members on the expert proposals in the current gtr draft (WLTP-08-04e) which were foreseen to be adopted by written procedure with deadline 31.10.2015. B. Coleman suggested to schedule drafting team meetings to have a peer review of the complete gtr draft. WLTP IWG concluded that a Drafting TF shall deal with the open points regarding expert proposals (editorial stuff, minor technical amendments, etc.) and conduct a peer review of the complete gtr. Drafting meetings to be arranged by the Drafting Coordinator. Brief introduction of new Expert Proposals to be adopted by written procedure will be in drafting taskforce if needed. Schedule for drafting taskforce will be established by Chair until 12/2014.

Chair clarified that all amendments from Drafting task force still need to be adopted formally by WLTP IWG later on. More fundamental issues need to be reported separately to WLTP IWG and will be added as separate discussions points to an IWG agenda, if necessary.

Indication of temperatures (°C / K, “273[.15] K”) has to be consistent within the gtr. Systematic approach will be developed by expert group (M. Bergmann, A. Feucht) and submitted to the WLTP IWG. To ensure consistency with other gtr’s, Chair will inform other GRPE IWGs, e.g. EPPR, by progress report in January GRPE.

WLTP-08-04 | Working draft of the amended GTR No. 15 pursuant to phase 1b as of 14 September 2014

WLTP-08-40 | Report on WLTP GTR draft issues

Starting note by K. Kobayashi (WLTP-08-41e, WLTP-08-41e_annex) was presented. ToR need to be established until mid of 2015. Main issues are durability, in service conformity, additional tests. A questionnaire will be sent out to CPs to be completed until the end of February 2015. First views in IWG meeting #9 by K. Steininger (WLTP-08-42e) including EV issues of WLTP Phase 2 & 3. Consolidated communication to EVE-IWG is recommended. OICA is invited to contribute.

WLTP-08-41 | Starting note for WLTP Phase 2 Initial working items for the phase 2 development of GTR No. 15 going into 2016.

WLTP-08-41/Annex.1 | Annex to the starting note for WLTP Phase 2

WLTP-08-42 | WLTP phases 2-3: Electric vehicle issues

9th WLTP IWG Meeting, January 2015 (Geneva, 14.01.2015, full day)
With preparing telephone conference beforehand
10th WLTP IWG Meeting, April 2015 (Sweden, exact date to be confirmed! 13.4. EV, 3 three days IWG meeting)
11th WLTP IWG Meeting, June 2015 (Geneva, preceding GRPE)
12th WLTP IWG Meeting, September 2015 (Japan, date t.b.d.)

Information about status of Fuel Efficiency Policy in Korea (WLTP-08-44-rev1e) Integrated fuel efficiency monitoring entered in force for road load determination and fuel efficiency. In-use program to be installed within 1 to 2 years.

WLTP-08-44 | Status of fuel-efficiency policy in Korea