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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

WLTP Type 6 testing: EV battery charge operation proposals
WLTP-SG-EV-39-07 28 March 28 Mar 2020 2020-03-28 17:23:41 UTC
WLTP Low Temperature Annex square brackets topics
WLTP-SG-EV-39-06 28 March 28 Mar 2020 2020-03-28 17:21:18 UTC
WLTP low temperature test procedure: Open issues review
WLTP-SG-EV-39-05 26 March 26 Mar 2020 2020-03-26 13:29:43 UTC
GTR 15: Amendment 6 square brackets overview for SG EV input
WLTP-SG-EV-39-04 26 March 26 Mar 2020 2020-03-26 13:26:29 UTC
WLTP: Japan input on REESS testing provisions
WLTP-SG-EV-39-03 26 March 26 Mar 2020 2020-03-26 07:16:53 UTC
Agenda for the 35th EPPR informal group session
EPPR-35-01 25 March 25 Mar 2020 2020-03-25 09:53:50 UTC
Li-ion battery durability vs. a circular economy strategy
EVE-34-18 25 March 25 Mar 2020 2020-03-25 09:15:05 UTC
EVE informal group status and updates review
EVE-34-09 25 March 25 Mar 2020 2020-03-23 09:37:29 UTC
GRPE: Annotated provisional agenda for the 81st (June 2020) session
GRPE/2020/9 23 March 23 Mar 2020 2020-03-23 10:01:27 UTC
GTR 15: Emerging Amendment 6 working draft
WLTP-IMD-08-Rev.6 20 March 20 Mar 2020 2020-02-27 17:22:54 UTC
Draft WLTP OBD GTR text
WLTP-OBD-03-02/Rev.2 19 March 19 Mar 2020 2020-03-19 15:04:27 UTC
RDE: Draft UN Regulation (version 12)
RDE-10-08 19 March 19 Mar 2020 2020-03-19 14:03:08 UTC
Cancellation of the the EVE Ann Arbor meeting
EVE-34-02/Rev.1 17 March 17 Mar 2020 2020-03-17 09:19:51 UTC
MR3: Proposal for Revision 1
GRPE/2020/xx 16 March 16 Mar 2020 2020-03-16 17:03:10 UTC
Report of the 34th EPPR informal group session
EPPR-34-04 16 March 16 Mar 2020 2020-03-16 16:57:34 UTC
Agenda for the 34th EPPR informal group session
EPPR-34-01/Rev.2 16 March 16 Mar 2020 2020-03-06 09:30:00 UTC
RDE: Draft UN Regulation (version 11)
RDE-10-07 13 March 13 Mar 2020 2020-03-13 19:11:40 UTC
Japan positions on WLTP EV Subgroup and Low-Temperature Task Force open issues
WLTP-SG-EV-38-10 13 March 13 Mar 2020 2020-03-13 19:06:26 UTC
WLTP: EV generator efficiency example
WLTP-SG-EV-38-09 13 March 13 Mar 2020 2020-03-13 19:03:50 UTC
Draft WLTP low-temperature test procedure (version 7.9)
WLTP-SG-EV-38-08 13 March 13 Mar 2020 2020-03-13 19:01:04 UTC
GTR 15: Possible inputs for Amendment 6
WLTP-SG-EV-38-07/Rev.3 13 March 13 Mar 2020 2020-03-02 14:21:05 UTC
PEV low-temperature test procedure family idea
WLTP-SG-EV-38-06 13 March 13 Mar 2020 2020-03-13 18:56:41 UTC
WLTP Low-Temperature Test Procedure open topics (revision 7)
WLTP-SG-EV-38-05 13 March 13 Mar 2020 2020-03-13 18:54:47 UTC
OVC-HEVs and PEVs: Possible Low-Temperature Test Sequences
WLTP-SG-EV-38-04/Rev.2 13 March 13 Mar 2020 2020-03-09 16:01:44 UTC
Draft agenda for the 19th VIAQ informal group session
VIAQ-19-02/Rev.3 13 March 13 Mar 2020 2020-02-05 16:59:42 UTC
VIAQ: Informal group terms of reference for Third Stage
VIAQ-19-09/Rev.2 13 March 13 Mar 2020 2020-03-02 13:44:37 UTC
Final minutes of the 38th WLTP Low-Temperature Task Force session
LTTF-38-05/Rev.1 13 March 13 Mar 2020 2020-03-12 09:48:08 UTC
WLTP Electric Vehicles Procedures: ACEA nominal voltage proposed text
WLTP-SG-EV-39-02 13 March 13 Mar 2020 2020-03-13 15:39:00 UTC
WLTP EV Nominal Voltage Application: Further explanation for ACEA EV proposal
WLTP-SG-EV-39-01 13 March 13 Mar 2020 2020-03-13 15:36:37 UTC
Draft minutes of the 19th VIAQ informal group session
VIAQ-19-11 13 March 13 Mar 2020 2020-03-13 10:36:48 UTC
VIAQ: Future Interior Air Quality Monitoring Systems: A Real-Time Tool to Monitor On-Board Air Quality
VIAQ-19-06/Rev.1 13 March 13 Mar 2020 2020-03-09 15:28:59 UTC
VIAQ: Sensors for Air Quality
VIAQ-19-10 13 March 13 Mar 2020 2020-03-13 10:29:28 UTC
Draft WLTP optional low-temperature test procedure
LTTF-40-03 13 March 13 Mar 2020 2020-03-13 10:12:34 UTC
Draft agenda for the 40th WLTP Low-Temperature Task Force session
LTTF-40-02 13 March 13 Mar 2020 2020-03-13 10:11:25 UTC
GTR 18: Commission proposal on catalytic converter deterioration OBD monitoring
OBD2CG-17-05 13 March 13 Mar 2020 2020-03-13 09:47:15 UTC
L-OBD2: Catalytic converter deterioration proposal
OBD2CG-17-04 13 March 13 Mar 2020 2020-03-13 09:41:17 UTC
L-OBD2: Japan proposal for CAT monitoring
OBD2CG-17-03 13 March 13 Mar 2020 2020-03-13 09:43:33 UTC
WLTP Low-Temperature Task Force open issues
LTTF-39-05 12 March 12 Mar 2020 2020-03-13 10:16:23 UTC
Final agenda for the 39th WLTP Low-Temperature Task Force session
LTTF-39-01/Rev.2 12 March 12 Mar 2020 2020-03-09 16:55:24 UTC
WLTP low-temperature auxiliaries working draft text
LTTF-40-01/Rev.1 12 March 12 Mar 2020 2020-03-12 09:45:35 UTC
GTR 18: Proposal for amendments to document GRPE-80-32
OBD2CG-17-02 12 March 12 Mar 2020 2020-03-12 10:45:33 UTC
Proposal on catalyst monitoring
OBD2CG-17-01 12 March 12 Mar 2020 2020-03-12 10:43:37 UTC
Test result on power loss of a gearbox for maximum power
EPPR-34-03 12 March 12 Mar 2020 2020-03-12 10:39:05 UTC
WLTP Type 6 - Type Approval approach
LTTF-39-04 12 March 12 Mar 2020 2020-03-12 09:57:32 UTC
WLTP low-temperature test procedures: Japan positions on open issues
LTTF-39-03 12 March 12 Mar 2020 2020-03-12 09:54:42 UTC
WLTP low-temperature auxiliaries working draft text
LTTF-39-02 12 March 12 Mar 2020 2020-03-12 09:53:01 UTC
Agenda for the 38th WLTP EV Subgroup session
WLTP-SG-EV-38-00 11 March 11 Mar 2020 2020-03-11 15:02:21 UTC
Minutes of the 37th WLTP EV Subgroup session
WLTP-SG-EV-37-09 11 March 11 Mar 2020 2020-03-11 14:52:29 UTC
RDE: Equations from GTR 11
RDE-10-04/Rev.1 10 March 10 Mar 2020 2020-03-06 11:27:20 UTC
RDE: Simplified equations
RDE-10-05/Rev.1 10 March 10 Mar 2020 2020-03-06 11:28:26 UTC
RDE: Calculations from GTR 11 (version 4)
RDE-10-03/Rev.1 10 March 10 Mar 2020 2020-03-06 11:26:26 UTC
WLTP: Preliminary EC and Japan feedback on the overview of required parameters during Type 6 testing
WLTP-SG-EV-37-08 10 March 10 Mar 2020 2020-03-10 09:44:57 UTC
Development of a methodology for in-vehicle assessment of the efficiency of air quality filters
VIAQ-19-07 10 March 10 Mar 2020 2020-03-10 08:30:02 UTC
CO2/FC correction for (N)OVC-HEV
WLTP-SG-EV-38-03 9 March 9 Mar 2020 2020-03-09 15:57:44 UTC
Invitation to the 19th VIAQ informal group session
VIAQ-19-01/Rev.1 6 March 6 Mar 2020 2020-02-05 16:58:54 UTC
Application and notification of WLTP approvals
IWVTA-32-08 6 March 6 Mar 2020 2020-03-06 15:23:20 UTC
GTR 19: Proposal for Amendment 3 to introduce a WLTP EVAP procedure
GRPE/80/Add.3 6 March 6 Mar 2020 2020-03-06 13:10:27 UTC
WLTP: 01 series of amendments to the new UN Regulation
GRPE/80/Add.2 6 March 6 Mar 2020 2020-03-06 13:01:52 UTC
WLTP: Proposal for a new UN Regulation
GRPE/80/Add.1 6 March 6 Mar 2020 2020-03-06 12:53:52 UTC
RDE: Flow charts for GTR and UN Regulation data validation steps
RDE-10-06 6 March 6 Mar 2020 2020-03-06 11:30:15 UTC
RDE: Draft UN Regulation (version 9c)
RDE-10-02 6 March 6 Mar 2020 2020-03-06 11:25:21 UTC
RDE: Draft global technical regulation (version 9b)
RDE-10-01 6 March 6 Mar 2020 2020-03-06 11:22:53 UTC
GRPE: Report of the 80th (January 2020) session
GRPE/80 6 March 6 Mar 2020 2020-03-06 10:57:34 UTC
WLTP: Understanding of low-temperature family concept
LTTF-38-04 6 March 6 Mar 2020 2020-03-06 09:42:05 UTC
Draft minutes of the 37th Low-Temperature Task Force session
LTTF-37-01 6 March 6 Mar 2020 2020-03-06 09:40:02 UTC
Report of the 33rd EPPR informal group session
EPPR-33-03 6 March 6 Mar 2020 2020-03-06 09:37:30 UTC
Outside Vehicle Air Pollutants – Review
VIAQ-19-05 6 March 6 Mar 2020 2020-03-06 09:13:38 UTC
WLTP low-temperature test procedure open issues (revision 6)
WLTP-SG-EV-37-03/Rev.2 5 March 5 Mar 2020 2020-03-02 14:01:10 UTC
WLTP: Updated ACEA proposal for CO2/FC correction for (N)OVC-HEV/(N)OVC-FCHV
WLTP-SG-EV-37-01/Rev.1 5 March 5 Mar 2020 2020-02-27 11:07:49 UTC
Minutes of the 36th WLTP EV Subgroup and Low-Temperature Task Force sessions
WLTP-SG-EV-36-08/Rev.2 5 March 5 Mar 2020 2020-03-05 12:54:07 UTC
Agenda for the 37th WLTP EV Subgroup session
WLTP-SG-EV-37-00 4 March 4 Mar 2020 2020-03-04 14:00:31 UTC
Working draft text for auxiliaries provisions for the WLTP low-temperature test procedures
LTTF-38-03 4 March 4 Mar 2020 2020-03-04 13:49:38 UTC
WLTP Low-Temperature Task Force Auxiliaries Subgroup update
LTTF-38-02 4 March 4 Mar 2020 2020-03-04 13:47:29 UTC
WLTP low-temperature procedure soak event diagram
WLTP-SG-EV-37-07 4 March 4 Mar 2020 2020-03-04 12:14:47 UTC
Input on the WLTP low-temperature test procedure open issues
WLTP-SG-EV-37-05 4 March 4 Mar 2020 2020-03-04 12:06:45 UTC
Comments on the WLTP low-temperature test procedure open topics
WLTP-SG-EV-37-06 4 March 4 Mar 2020 2020-03-04 12:10:03 UTC
Draft agenda for the 38th WLTP Low-Temperature Task Force
LTTF-38-01/Rev.1 3 March 3 Mar 2020 2020-03-03 16:28:22 UTC
Draft WLTP OBD GTR text
WLTP-OBD-03-02/Rev.1 2 March 2 Mar 2020 2020-03-02 15:29:49 UTC
Draft WLTP OBD GTR text
WLTP-OBD-03-02 2 March 2 Mar 2020 2020-03-02 15:27:31 UTC
VIAQ: Proposals for 3rd and 4th stages of the VIAQ Informal Working Group activity
VIAQ-19-08 2 March 2 Mar 2020 2020-03-02 13:40:14 UTC
Draft WLTP OBD GTR text
WLTP-OBD-03-01 28 February 28 Feb 2020 2020-02-28 17:10:38 UTC

Calendar of Upcoming Meetings

Worldwide Harmonized Light Vehicles Emissions Test Procedure | Session 30 | 14-15 Apr 2020 14 Apr 2020
Environmental and Propulsion Performance Requirements for L-category Vehicles | Session 35 | 15 Apr 2020 15 Apr 2020
Working Party on Pollution and Energy | Session 81 | 9-12 Jun 2020 9 Jun 2020
Environmental and Propulsion Performance Requirements for L-category Vehicles | Session 36 | 9-10 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 Regulation Development Program 6
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