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Icon engine gray Engine & Emissions

Below is a directory to the GAR website pages addressing vehicle propulsion systems and environmental performance. The Working Party on Pollution and Energy (GRPE) is the primary rulemaking body under the World Forum for these activities.

Latest Documents

Draft minutes of the 18th VIAQ informal group session
VIAQ-18-09 21 January 21 Jan 2020 2020-01-21 10:34:02 UTC
UN R (WLTP) 00 series of amendments to UN Regulation on WLTP
GRPE-80-38 20 January 20 Jan 2020 2020-01-20 10:52:28 UTC
UN R (WLTP) the 01 series of amendments to UN Regulation on WLTP
GRPE-80-39 20 January 20 Jan 2020 2020-01-20 11:04:58 UTC
GTR 19: Modifications to Amendment 3
GRPE-80-34 20 January 20 Jan 2020 2020-01-20 10:07:32 UTC
EPA Update on the Cleaner Trucks Initiative
GRPE-80-33 20 January 20 Jan 2020 2020-01-20 09:19:55 UTC
UN R83: Proposal for a new Supplement to 06 and 07 series of amendments
GRPE-80-18/Rev.1 20 January 20 Jan 2020 2020-01-15 07:01:36 UTC
RE6: Proposed amendments to ECE/TRANS/WP.29/2019/120
GRPE-80-15 20 January 20 Jan 2020 2020-01-15 06:30:20 UTC
Work by GRPE – Priorities and recurrent items
GRPE-80-05/Rev.1 20 January 20 Jan 2020 2019-12-26 10:48:54 UTC
PMP informal group report to the January 2020 GRPE session
PMP-52-01 16 January 16 Jan 2020 2020-01-21 17:48:13 UTC
GTR 15: Information on the proposal for amendment 6
GRPE-80-40 16 January 16 Jan 2020 2020-01-20 10:35:14 UTC
WLTP Transposition TF report on the transposition of GTR15 (WLTP) and GTR19 (Evap) into UN Regulations
GRPE-80-37 16 January 16 Jan 2020 2020-01-20 10:24:11 UTC
EVE IWG Status report
GRPE-80-36 16 January 16 Jan 2020 2020-01-20 10:13:52 UTC
Draft Amendment 1 to UN GTR 18 : OBD2
GRPE-80-32 16 January 16 Jan 2020 2020-01-17 01:37:06 UTC
GRPE-80: Updated provisional agenda
GRPE-80-06/Rev.4 16 January 16 Jan 2020 2019-12-26 10:53:25 UTC
UN GTR Real Driving Emissions (RDE) draft text developed by the RDE IWG
GRPE-80-30 15 January 15 Jan 2020 2020-01-16 10:57:11 UTC
UN GTR19 Technical Report to Amendment 3
GRPE-80-35 15 January 15 Jan 2020 2020-01-20 10:03:54 UTC
UN R Real Driving Emissions (RDE) draft text developed by RDE IWG
GRPE-80-31 15 January 15 Jan 2020 2020-01-16 13:05:57 UTC
RDE IWG Progress report from experts from IWG Chair (EC)
GRPE-80-29 15 January 15 Jan 2020 2020-01-16 10:47:45 UTC
PMP IWG Progress report
GRPE-80-28 15 January 15 Jan 2020 2020-01-16 10:39:35 UTC
UN GTR 2, 17, 18, EPPR L-category Progress report from EPPR IWG
GRPE-80-27 15 January 15 Jan 2020 2020-01-16 10:30:28 UTC
Fuel Efficiency Workshop Summary of discussions
GRPE-80-26 15 January 15 Jan 2020 2020-01-16 10:20:31 UTC
UN GTR 4 Proposal for corrigendum
GRPE-80-25 15 January 15 Jan 2020 2020-01-16 10:11:00 UTC
UN WLTP Progress report of the WLTP Informal Working Group
GRPE-80-24 15 January 15 Jan 2020 2020-01-16 10:04:58 UTC
UN MR3 VIAQ IWG status report
GRPE-80-23 15 January 15 Jan 2020 2020-01-16 09:57:39 UTC
UN MR3 Revision 1 of the Mutual Resolution (M.R.3) on Vehicle Interior Air Quality (track changes)
GRPE-80-22 15 January 15 Jan 2020 2020-01-16 09:18:09 UTC
UN MR3 Revision 1 of the Mutual Resolution (M.R.3) on Vehicle Interior Air Quality
GRPE-80-21 15 January 15 Jan 2020 2020-01-16 09:11:53 UTC
UN R115 Proposal for a new Corrigendum
GRPE-80-20 15 January 15 Jan 2020 2020-01-16 09:02:05 UTC
Discrepancies between GTR 4 and UN R49
GRPE-80-17 15 January 15 Jan 2020 2020-01-15 06:55:56 UTC
UN R83: Proposal of amendments to document GRPE/2020/5
GRPE-80-16 15 January 15 Jan 2020 2020-01-15 06:38:14 UTC
GRPE highlights of the WP.29 Sessions of June and November 2019
GRPE-80-03 15 January 15 Jan 2020 2019-12-26 10:31:43 UTC
Case studies on analysis of light- duty vehicle Exhaust gas control signal in Korea
GRPE-80-19 14 January 14 Jan 2020 2020-01-16 08:51:23 UTC
GTR 15: Emerging Amendment 6 working draft
- 13 January 13 Jan 2020 2020-01-13 13:35:27 UTC
WLTP UN Regulation: 00 series of amendments-Japan comments on RMSSE indices
- 13 January 13 Jan 2020 2020-01-13 13:25:53 UTC
Cabin Air Filter - Real World Testing Preconditions & Technical Requirements
VIAQ-18-07 13 January 13 Jan 2020 2020-01-13 13:18:16 UTC
MR3: Draft Revision 1 of the resolution on vehicle interior air quality
VIAQ-18-06 13 January 13 Jan 2020 2020-01-13 13:16:30 UTC
VIAQ quality control (update)
VIAQ-18-05 13 January 13 Jan 2020 2020-01-13 13:15:05 UTC
Draft agenda for the 18th VIAQ informal group session
VIAQ-18-02/Rev.1 13 January 13 Jan 2020 2019-12-10 17:30:07 UTC
Invitation to the 18th VIAQ informal group session
VIAQ-18-01/Rev.1 9 January 9 Jan 2020 2019-12-10 17:29:12 UTC
GTR 18: Draft L-OBD2 Phase 2 (clean version)
OBD2CG-16-03 9 January 9 Jan 2020 2020-01-09 15:28:00 UTC
GTR 18: Draft L-OBD 2 Phase 2 with track changes
OBD2CG-16-02 9 January 9 Jan 2020 2020-01-09 15:26:04 UTC
Draft agenda for the 33rd EPPR informal group session
EPPR-33-01/Rev.1 9 January 9 Jan 2020 2019-12-10 17:19:37 UTC
WLTP UN Regulation: Summary of ODB provisions
WLTP-29-05/App.7 9 January 9 Jan 2020 2020-01-09 10:06:06 UTC
GTR 19: Amendment 3 summary
WLTP-29-05/App.5 9 January 9 Jan 2020 2020-01-09 10:02:27 UTC
WLTP Gear Shift Task Force: Status report on programming code development
WLTP-29-05/App.3 9 January 9 Jan 2020 2020-01-09 09:59:42 UTC
GTR 15: Proposals for Annexes 1 and 2 in Amendment 6
WLTP-29-05/App.2 9 January 9 Jan 2020 2020-01-09 09:53:56 UTC
WLTP UN Regulation Overview
WLTP-29-05 9 January 9 Jan 2020 2020-01-09 09:50:17 UTC
WLTP UN Regulation: Appendix 03 for electrified vehicles
- 8 January 8 Jan 2020 2020-01-08 21:08:35 UTC
Agenda for the 31st WLTP EV subgroup session
- 8 January 8 Jan 2020 2020-01-08 20:57:01 UTC
WLTP UN Regulation: Inconsistency at expected number of cycles in CD mode for OVC-HEVs
- 8 January 8 Jan 2020 2020-01-08 21:06:52 UTC
WLTP UN Regulation: OVC-HEV test sequence proposal
- 8 January 8 Jan 2020 2020-01-08 21:04:56 UTC
WLTP UN Regulation: PEV-HEV drafting table V2
- 8 January 8 Jan 2020 2020-01-08 21:03:09 UTC
WLTP UN Regulation: Draft OBD provisions with tracked revisions
- 8 January 8 Jan 2020 2020-01-08 20:17:37 UTC
WLTP UN Regulation: Square bracket summary of the 00 and 01 series of amendments
- 8 January 8 Jan 2020 2020-01-08 20:15:33 UTC
WLTP UN Regulation: Informal document for the 01 series of amendments
- 8 January 8 Jan 2020 2020-01-08 20:13:59 UTC
WLTP UN Regulation: Informal document for the draft 00 series of amendments
- 8 January 8 Jan 2020 2020-01-08 20:11:03 UTC
Minutes of the 30th WLTP EV subgroup session
WLTP-SG-EV-30-04 7 January 7 Jan 2020 2020-01-09 16:02:13 UTC
UN R0: GRPE ambassador's update on IWVTA
GRPE-80-14 7 January 7 Jan 2020 2020-01-07 17:47:50 UTC
Current issues of ensuring human safety in process of vehicles operation
GRPE-80-13 7 January 7 Jan 2020 2020-01-07 17:45:00 UTC
UN R96: Proposal to amend the 05 series of amendments
GRPE-80-12 7 January 7 Jan 2020 2020-01-07 17:40:33 UTC
UN R24: Proposal to amend the 03 series of amendments
GRPE-80-11 7 January 7 Jan 2020 2020-01-07 17:36:50 UTC
UN R83: Proposal to amend the 07 series of amendments
GRPE-80-10 7 January 7 Jan 2020 2020-01-07 17:29:56 UTC
Invitation to the 8th Global RDE informal group session
- 6 January 6 Jan 2020 2019-12-29 17:28:26 UTC
Adopted report of the 31st EPPR informal group session
EPPR-31-15/Rev.2 6 January 6 Jan 2020 2019-12-04 21:05:19 UTC
Adopted report of the 30th EPPR session (teleconference)
EPPR-30-04/Rev.1 6 January 6 Jan 2020 2019-10-29 16:29:43 UTC
WLTP UN Regulation: 00 series of amendments NOVC-FCHV provisions
- 6 January 6 Jan 2020 2020-01-08 21:00:42 UTC
Informal meetings in conjunction with the GRPE (proper) session: schedule and rooms reservation
GRPE-80-01/Rev.2 6 January 6 Jan 2020 2019-12-02 11:22:54 UTC
Minutes of the 27th WLTP informal group session
WLTP-27-08/Rev.1 3 January 3 Jan 2020 2019-09-18 14:03:23 UTC
WLTP UN Regulation: Japan FE calculation process
- 2 January 2 Jan 2020 2020-01-09 12:14:29 UTC
WLTP UN Regulation: Japan comments on draft durability family/deterioration factors provisions
- 2 January 2 Jan 2020 2020-01-09 12:12:03 UTC
WLTP UN Regulation: Draft Annex B4-Road load (revision 1)
- 2 January 2 Jan 2020 2020-01-09 12:08:29 UTC
WLTP UN Regulation: Draft bracket summary of the 00 and 01 series of amendments
- 2 January 2 Jan 2020 2020-01-09 12:06:13 UTC
WLTP UN Regulation: Draft informal document for the 01 series of amendments
- 2 January 2 Jan 2020 2020-01-09 12:04:45 UTC
WLTP UN Regulation: Draft informal document for the 00 series of amendments
- 2 January 2 Jan 2020 2020-01-09 12:03:02 UTC
WLTP UN Regulation: commented draft of OBD provisions
- 2 January 2 Jan 2020 2020-01-09 11:51:08 UTC
WLTP UN Regulation: Japan comments on RMSSE drive trace indices
- 2 January 2 Jan 2020 2020-01-09 11:18:40 UTC
WLTP UN Regulation: Japan comments on draft 00 series of amendments
- 2 January 2 Jan 2020 2020-01-09 11:08:48 UTC
WLTP UN Regulation: 00 series of amendments-road load
- 2 January 2 Jan 2020 2020-01-09 10:55:50 UTC
Invitation to the 29th WLTP informal group session
WLTP-29-01 29 December 29 Dec 2019 2019-12-29 17:33:56 UTC
Status of the DETA system deployment
GRPE-80-09 26 December 26 Dec 2019 2019-12-26 11:41:03 UTC
UN R83: Revisions to document GRPE/2020/5
GRPE-80-08 26 December 26 Dec 2019 2019-12-26 11:26:24 UTC
UN R83: Revisions to document GRPE/2020/2
GRPE-80-07 26 December 26 Dec 2019 2019-12-26 11:03:31 UTC
GRPE emission items list
GRPE-80-04/Rev.1 26 December 26 Dec 2019 2019-06-16 12:34:10 UTC
General information for the 80th GRPE session
GRPE-80-02 24 December 24 Dec 2019 2019-12-26 10:27:23 UTC

Calendar of Upcoming Meetings

Environmental and Propulsion Performance Requirements for L-category Vehicles | Session 34 | 25-27 Feb 2020 25 Feb 2020
World Forum for the Harmonization of Vehicle Regulations | Session 180 | 9-13 Mar 2020 9 Mar 2020
Electric Vehicles and the Environment | Session 34 | 23-24 Mar 2020 23 Mar 2020
Working Party on Pollution and Energy | Session 81 | 9-12 Jun 2020 9 Jun 2020
World Forum for the Harmonization of Vehicle Regulations | Session 181 | 22-26 Jun 2020 22 Jun 2020
World Forum for the Harmonization of Vehicle Regulations | Session 182 | 9-13 Nov 2020 9 Nov 2020

Related Working Groups

EFV Informal Group on Environmentally Friendly Vehicles
EPPR Environmental and Propulsion Performance Requirements for L-category Vehicles
EVE Electric Vehicles and the Environment
FQ Informal Working Group on Fuel Quality
GFV Informal Group on Gaseous Fueled Vehicles
GRPE Working Party on Pollution and Energy
H2SGE Subgroup on Environment of the HFCV Informal Group
HDH Informal Group on Heavy-Duty Hybrids
MACTP Mobile Air-Conditioning Test Procedure Informal Group
PMP Informal Group for the Particle Measurement Programme
RDE Informal Working Group on Real Driving Emissions
REC Informal Working Group on Retrofit Emission Control Devices
VIAQ Vehicle Interior Air Quality
VPSD Informal Working Group on Vehicle Propulsion System Definitions
WLTP Worldwide Harmonized Light Vehicles Emissions Test Procedure
WP.29 World Forum for the Harmonization of Vehicle Regulations

Regulations & Programs

NEPE NEPE WP.29 Discussion Topics Topic 7
Resolution 0002 MR 2: VPSD WP.29 Resolutions Resolution 5
L-vehicle Pollution Control Durability L-vehicle Pollution Control Durability WP.29 Regulation Development Program 6
Motorcycle Propulsion Unit Performance Motorcycle Propulsion Unit Performance WP.29 Regulation Development Program 6
GTR 0018 GTR No. 18 L-OBD Global Technical Regulations GTR 2
GTR 0017 GTR No. 17 Motorcycle Evaporative Emissions Global Technical Regulations GTR 2
Resolution 0003 MR 3: VIAQ WP.29 Resolutions Resolution 5
Electric Vehicles & the Environment Electric Vehicles & the Environment WP.29 Regulation Development Program 6
PMP PMP WP.29 Regulation Development Program 6
Heavy-duty Hybrids (HDH) Heavy-duty Hybrids (HDH) WP.29 Regulation Development Program 6
GTR 0002 GTR No. 2 WMTC Global Technical Regulations GTR 2
GTR 0004 GTR No. 4 WHDC Global Technical Regulations GTR 2
GTR 0005 GTR No. 5 OBD Global Technical Regulations GTR 2
GTR 0011 GTR No. 11 NRMM Emissions Global Technical Regulations GTR 2
Heavy-duty Hybrids (HDH) Heavy-duty Hybrids (HDH) WP.29 Regulation Development Program 6
MACTP MACTP WP.29 Regulation Development Program 6
GTR 0015 GTR No. 15 WLTP Global Technical Regulations GTR 2
UNR 0024 UN R24 Diesel Engine Emissions UN(ECE) Regulations UNR 1
UNR 0040 UN R40 Motorcycle Emissions UN(ECE) Regulations UNR 1
UNR 0049 UN R49 Diesel/CNG/LNG Engine Emissions UN(ECE) Regulations UNR 1
UNR 0083 UN R83 Motor Vehicle Emissions UN(ECE) Regulations UNR 1
UNR 0084 UN R84 Fuel Consumption Measurement UN(ECE) Regulations UNR 1
UNR 0085 UN R85 Net Power Measurement UN(ECE) Regulations UNR 1
UNR 0096 UN R96 NRMM Emissions UN(ECE) Regulations UNR 1
UNR 0101 UN R101 CO2 Emissions/Fuel Consumption UN(ECE) Regulations UNR 1
UNR 0103 UN R103 Replacement Catalytic Converters UN(ECE) Regulations UNR 1
UNR 0115 UN R115 LPG/CNG Retrofit Systems UN(ECE) Regulations UNR 1
UNR 0120 UN R120 NRMM Net Power/Fuel Consumption UN(ECE) Regulations UNR 1
UNR 0132 UN R132 Retrofit Emissions UN(ECE) Regulations UNR 1
EFV EFV WP.29 Discussion Topics Topic 7
Fuel Quality Fuel Quality WP.29 Regulation Development Program 6
GTR 0010 GTR No. 10 OCE Global Technical Regulations GTR 2
UNR 0143 UN R143 HD Dual Fuel Retrofit Systems UN(ECE) Regulations UNR 1
REESS REESS WP.29 Regulation Development Program 6
Rule 0001 UN Rule No. 1 Environmental Protection UN Rules (Vehcle Inspection) Rule 3
UNR 0015 UN R15 Emission of Gaseous Pollutants UN(ECE) Regulations UNR 1
UNR 0047 UN R47 Moped Emissions UN(ECE) Regulations UNR 1
UNR 0133 UN R133 Vehicle Recyclability UN(ECE) Regulations UNR 1
WLTP (UNR) WLTP (UNR) WP.29 Regulation Development Program 6
GTR 0019 GTR No. 19 Evaporative emissions Global Technical Regulations GTR 2
UNR 0068 UN R68 Maximum Speed Measurement UN(ECE) Regulations UNR 1
Light Vehicle OBD Light Vehicle OBD WP.29 Discussion Topics Topic 7
Global RDE Global RDE WP.29 Regulation Development Program 6
HD Fuel Efficiency Measurement HD Fuel Efficiency Measurement WP.29 Discussion Topics Topic 7
Motorcycle Max Power Motorcycle Max Power WP.29 Regulation Development Program 6
WLTP Durability WLTP Durability WP.29 Regulation Development Program 6