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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: Inconsistency at expected number of cycles in CD mode for OVC-HEVs
WLTP-SG-EV-30-02 11 December 11 Dec 2019 2019-12-11 08:15:11 UTC
WLTP EV Low Temperature Test Procedure-ACEA task force proposal (update)
WLTP-SG-EV-30-01 11 December 11 Dec 2019 2019-12-11 08:11:31 UTC
Agenda for the 32nd WLTP Low Temperature Task Force session
LTTF-32-01 10 December 10 Dec 2019 2019-12-10 18:00:30 UTC
Draft agenda for the 18th VIAQ informal group session
VIAQ-18-02 10 December 10 Dec 2019 2019-12-10 17:30:07 UTC
Invitation to the 18th VIAQ informal group session
VIAQ-18-01 10 December 10 Dec 2019 2019-12-10 17:29:12 UTC
Draft report of the 32nd EPPR informal group session
EPPR-32-03 10 December 10 Dec 2019 2019-12-10 11:32:50 UTC
Draft agenda for the 33rd EPPR informal group session
EPPR-33-01 10 December 10 Dec 2019 2019-12-10 17:19:37 UTC
WLTP UNR: 00 and 01 series "square brackets" summary-post session draft
WLTP-TTF-10-07 10 December 10 Dec 2019 2019-12-10 11:50:45 UTC
Draft minutes of the 17th VIAQ informal group session
VIAQ-17-14 9 December 9 Dec 2019 2019-12-09 15:05:37 UTC
Revision 2 of the Mutual Resolution (M.R.3) on Vehicle Interior Air Quality (version 1)
VIAQ-17-08 9 December 9 Dec 2019 2019-12-09 14:55:06 UTC
Revision 2 of the Mutual Resolution (M.R.3) on Vehicle Interior Air Quality
VIAQ-17-09/Rev.1 9 December 9 Dec 2019 2019-11-12 14:44:28 UTC
Draft Global Real Driving Emissions GTR (version 5)
- 6 December 6 Dec 2019 2019-12-06 17:02:17 UTC
Draft UN Regulation on Real Driving Emissions (version 5)
- 6 December 6 Dec 2019 2019-12-06 17:04:57 UTC
Minutes of the 7th RDE informal group session
RDE-07-16 6 December 6 Dec 2019 2019-12-06 16:49:17 UTC
GTR 15-Amendment 5 (formatted for entry into the Global Registry)
WLTP-29-00 6 December 6 Dec 2019 2019-12-06 16:35:59 UTC
Calendar of WLTP and related meetings (5 Dec 2019)
N/A 5 December 5 Dec 2019 2019-12-02 15:52:50 UTC
Draft report of the 31st EPPR informal group session
EPPR-31-15/Rev.1 4 December 4 Dec 2019 2019-12-04 21:05:19 UTC
Comments on the draft request to extend the EPPR informal group mandate
EPPR-32-02 4 December 4 Dec 2019 2019-12-04 21:01:03 UTC
Draft WLTP ODB UN Regulation provisions
WLTP-TTF-10-06 4 December 4 Dec 2019 2019-12-04 19:35:58 UTC
Draft WLTP 01 series UN Regulation
WLTP-TTF-10-05 4 December 4 Dec 2019 2019-12-04 19:31:13 UTC
Draft WLTP 00 series UN Regulation
WLTP-TTF-10-04 4 December 4 Dec 2019 2019-12-04 19:27:34 UTC
L-OBD: Why the altitude of 2440 m in §4.5.1 of Annex 1 to EPPR-30-03?
OBD2CG-15-01 4 December 4 Dec 2019 2019-12-04 10:19:03 UTC
WLTP Low Temperature Annex
LTTF-31-00 3 December 3 Dec 2019 2019-12-04 21:17:22 UTC
WLTP: Draft informal document to supplement GRPE/2020/4
WLTP-TTF-10-03 2 December 2 Dec 2019 2019-12-02 16:02:54 UTC
WLTP: Draft informal document to supplement GRPE/2020/3
WLTP-TTF-10-02 2 December 2 Dec 2019 2019-12-02 16:00:27 UTC
WLTP UNR: 00 and 01 series "square brackets" summary
WLTP-TTF-10-01 2 December 2 Dec 2019 2019-12-02 15:57:10 UTC
JASIC proposal for L-Category EPPR durability
DUR-02-02 29 November 29 Nov 2019 2019-11-29 19:34:51 UTC
Japan’s position for Draft Durability GTR and New Mandate of EPPR
DUR-02-01 29 November 29 Nov 2019 2019-11-29 19:33:19 UTC
UNR WLTP 00 and 01 series - Square bracket summary
WLTP-SG-EV-29-05 27 November 27 Nov 2019 2019-11-27 16:06:04 UTC
WLTP UNR: Open topics input
WLTP-SG-EV-29-04 27 November 27 Nov 2019 2019-11-27 16:04:14 UTC
Low-temperature test procedure for electrified vehicles
WLTP-SG-EV-29-03 26 November 26 Nov 2019 2019-11-26 14:14:22 UTC
Proposal for WLTP low-temperature test
WLTP-SG-EV-29-02 26 November 26 Nov 2019 2019-11-26 14:12:57 UTC
Minutes of the 28th WLTP EV Subgroup session
WLTP-SG-EV-28-06 26 November 26 Nov 2019 2019-11-26 08:41:26 UTC
Minutes of the WLTP Low Temperature Task Force 30th session
LTTF-30-09 22 November 22 Nov 2019 2019-11-22 17:05:21 UTC
WLTP Low Temperature Task Force issues status list
LTTF-31-04 22 November 22 Nov 2019 2019-11-22 17:02:50 UTC
WLTP Low Temperature Auxiliaries subgroup update
LTTF-31-03 22 November 22 Nov 2019 2019-11-22 17:01:38 UTC
Draft WLTP low-temperature annex
LTTF-31-02 22 November 22 Nov 2019 2019-11-22 16:59:30 UTC
Open issues from the 13th WLTP CoP Task Force session
TFCoP-13-06 20 November 20 Nov 2019 2019-11-21 08:23:51 UTC
Notes from the 13th WLTP CoP Task Force session
TFCoP-13-05 19 November 19 Nov 2019 2019-11-21 08:23:03 UTC
WLTP UN Regulations: Square bracket open issues summary of 00 and 01 series
WLTP-SG-EV-29-01 18 November 18 Nov 2019 2019-11-18 17:34:18 UTC
Draft UN Regulation on Real Driving Emissions (version 4)
- 14 November 14 Nov 2019 2019-11-14 14:27:16 UTC
Draft Global Real Driving Emissions GTR (version 4)
- 14 November 14 Nov 2019 2019-11-14 14:22:35 UTC
GTR 2: Emissions durability options in the EU
DUR-01-01 14 November 14 Nov 2019 2019-11-25 13:18:45 UTC
L-vehicle pollution control durability GTR background information
DUR-01-03 14 November 14 Nov 2019 2019-11-13 10:56:41 UTC
WLTP Low Temperature Annex based on document WP.29/2019/62
LTTF-30-08 14 November 14 Nov 2019 2019-11-14 14:10:02 UTC
L-vehicle pollution controls durability global technical regulation provisions
DUR-01-02 13 November 13 Nov 2019 2019-11-13 10:46:42 UTC

Calendar of Upcoming Meetings

Informal Group on Electric Vehicles and the Environment | Session 33 | 13 Jan 2020 13 Jan 2020
Informal Group on the Worldwide Harmonized Light Vehicles Test Procedure | Session 29 | 13 Jan 2020 13 Jan 2020
Working Party on Pollution and Energy | Session 80 | 14-17 Jan 2020 14 Jan 2020
Environmental and Propulsion Performance Requirements for L-category Vehicles | Session 33 | 14 Jan 2020 14 Jan 2020
Informal Working Group on Vehicle Interior Air Quality | Session 18 | 15 Jan 2020 15 Jan 2020
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
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 Informal Group on 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 Informal Working Group on Vehicle Interior Air Quality
VPSD Informal Working Group on Vehicle Propulsion System Definitions
WLTP Informal Group on the Worldwide Harmonized Light Vehicles 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