GAR | Engine Systems

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

CO2/FC correction for (N)OVC-HEV/(N)OVC-FCHV

WLTP-IMD-06

19 February

19 Feb 2020

2020-02-19 12:30:35 UTC

PEV low temperature family concept

WLTP-IMD-05

19 February

19 Feb 2020

2020-02-19 12:28:47 UTC

Low Temperature Test Procedure for Electric Vehicles

WLTP-IMD-04

19 February

19 Feb 2020

2020-02-19 12:26:28 UTC

Summary of ODB-II GTR

WLTP-IMD-07

19 February

19 Feb 2020

2020-02-19 12:06:21 UTC

WLTP: Proposals for PEV procedures for Type VI test

WLTP Intermediate Meeting-03

18 February

18 Feb 2020

2020-02-19 13:55:52 UTC

WLTP ODB GTR working draft text

18 February

18 Feb 2020

2020-02-19 13:17:20 UTC

WLTP ODB GTR draft text

17 February

17 Feb 2020

2020-02-19 13:23:40 UTC

WLTP OBD GTR draft text

17 February

17 Feb 2020

2020-02-19 13:21:27 UTC

PEV low-temperature procedure family concept input

12 February

12 Feb 2020

2020-02-12 09:14:18 UTC

WLTP EV low-temperature test procedure input

12 February

12 Feb 2020

2020-02-12 09:12:07 UTC

PTI: Particle Number Counter- Metrological controls and performance tests

PTI-17-04

10 February

10 Feb 2020

2020-02-10 14:47:02 UTC

PTI: Instruments for measuring vehicle exhaust particulate number emissions

PTI-17-03

10 February

10 Feb 2020

2020-02-10 13:48:51 UTC

Proposal for regulations to check diesel particulate filters (DPFs) with a particle counter

PTI-17-02

10 February

10 Feb 2020

2020-02-10 13:40:19 UTC

Agenda for the 34th WLTP EV Subgroup session

7 February

7 Feb 2020

2020-02-07 15:26:46 UTC

Possible EV inputs for GTR 15 Amendment 6 (revision 1)

6 February

6 Feb 2020

2020-02-04 13:43:39 UTC

Minutes of the 35th WLTP Low-Temperature Task Force session

6 February

6 Feb 2020

2020-02-06 15:58:58 UTC

Draft agenda for the WLTP informal group "intermediate meeting"

WLTP-IMD-02

5 February

5 Feb 2020

2020-02-05 18:09:17 UTC

Draft agenda for the 36th WLTP Low Temperature Task Force session

5 February

5 Feb 2020

2020-02-05 18:22:15 UTC

Minutes of the 33rd WLTP EV Subgroup session

5 February

5 Feb 2020

2020-02-05 17:19:02 UTC

WLTP: (N)OVC-HEVs Procedure proposal: Charge-Sustaining Test (Revision 1)

5 February

5 Feb 2020

2020-02-04 14:59:43 UTC

WLTP: PEV Low temperature procedure update

5 February

5 Feb 2020

2020-02-05 17:14:35 UTC

Draft agenda for the 19th VIAQ informal group session

VIAQ-19-02

5 February

5 Feb 2020

2020-02-05 16:59:42 UTC

Invitation to the 19th VIAQ informal group session

VIAQ-19-01

5 February

5 Feb 2020

2020-02-05 16:58:54 UTC

WLTP: Test results from PEV low-temperature procedure

4 February

4 Feb 2020

2020-02-04 15:01:20 UTC

WLTP low-temperature test procedure for electrified vehicles (Annex B8-version 7)

4 February

4 Feb 2020

2020-02-04 13:45:38 UTC

UN R115 : Proposal for Corrigendum 1 to Supplement 8

WP.29/2020/49

31 January

31 Jan 2020

2020-01-31 09:12:03 UTC

Invitation to the 34th EVE informal group session

EVE-34-01

29 January

29 Jan 2020

2020-02-07 15:54:57 UTC

Comments on the draft WLTP low-temperature testing family concept

29 January

29 Jan 2020

2020-01-29 18:07:48 UTC

Minutes of the 34th WLTP Low-Temperature Task Force session

29 January

29 Jan 2020

2020-01-29 18:06:04 UTC

Calendar of WLTP and related meetings

N/A

28 January

28 Jan 2020

2019-12-02 15:52:50 UTC

Draft agenda for the 35th WLTP Low-Temperature Task Force session (revision 3)

28 January

28 Jan 2020

2020-01-27 12:30:52 UTC

WLTP Low-Temperature Task Force test procedure development

27 January

27 Jan 2020

2020-01-27 16:30:34 UTC

Minutes of the 32nd WLTP EV Subgroup session

27 January

27 Jan 2020

2020-01-27 16:07:15 UTC

WLTP-30: Indian visa request form

WLTP-30-01/App.1

24 January

24 Jan 2020

2020-01-24 15:04:00 UTC

Invitation to the 30th WLTP informal group session and information for the WLTP "Intermediate Session"

WLTP-30-01

24 January

24 Jan 2020

2020-01-24 14:59:03 UTC

Calendar of Upcoming Meetings


Worldwide Harmonized Light Vehicles Emissions Test Procedure \| WLTP Intermediate Meeting \| 19-20 Feb 2020	19 Feb 2020
Environmental and Propulsion Performance Requirements for L-category Vehicles \| Session 34 \| 25-27 Feb 2020	25 Feb 2020
Informal Working Group on Real Driving Emissions \| Session 9 \| 25-27 Feb 2020	25 Feb 2020
World Forum for the Harmonization of Vehicle Regulations \| Session 180 \| 9-13 Mar 2020	9 Mar 2020
Vehicle Interior Air Quality \| Session 19 \| 9-10 Mar 2020	9 Mar 2020
Electric Vehicles and the Environment \| Session 34 \| 23-24 Mar 2020	23 Mar 2020
Worldwide Harmonized Light Vehicles Emissions Test Procedure \| Session 30 \| 14-15 Apr 2020	14 Apr 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 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

Regulation:	UN Regulation No. 117 \| Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance
Document:	Revision 4 \| Amendment 2
Corresponds to:	02 series of amendments \| Supplement 10 (Entered into force on 11 Jan 2020)
Based on:	Document WP.29/2019/54 Proposal to correct a type in Annex 7- Appendix 2, Part 2, Paragraph 5 where the snow group index should read “1.00”, not “100” as appeared erroneously in the adopted text correct the text where the word “tyres” was inadvertently omitted from Paragraph 2.1. align the provisions of UN R117 regarding approval numbers and markings with the provisions of Schedule 4 to the revised 1958 Agreement.

Regulation:	UN Regulation No. 129 \| Enhanced Child Restraint Systems
Document:	Revision 4 \| Amendment 2
Corresponds to:	03 series of amendments \| Supplement 2 (Entered into force on 11 Jan 2020)
Based on:	Document WP.29/2019/40 Proposal to introduce new and modified labeling and to clarify packaging information to distinguish between forward-facing-only, rear-facing-only, and convertible CRS in order to reduce the risk of users misusing these enhanced CRS clarify that assessment of the DE plane only applies to rearward-facing Child Restraint Systems (CRS) in UN Regulation No. 44 and therefore does not apply to forward-facing child restraints that maintain structure of the child restraint behind the head of the dummy specify the dimensions of the approval number update i-Size universal ISOFIX, Specific Vehicle ISOFIX, i-Size Booster seat and Specific Vehicle Booster seat numbering (omitted in WP29-2018-045) rearrange the dimensions mark for arrangements of the approval mark where used in combination with the module mark change the 145 cm stature of the Specific Vehicle Booster seat to 150 cm stature as this is the correct upper limit, and clarify that Conformity of Production assessments shall be conducted under the same requirements as those of the original approval or, if applicable, the extension of the approval.

Regulation:	UN Regulation No. 129 \| Enhanced Child Restraint Systems
Document:	Revision 3 \| Amendment 4
Corresponds to:	02 series of amendments \| Supplement 5 (Entered into force on 11 Jan 2020)
Based on:	Document WP.29/2019/39 Proposal to introduce new and modified labeling and to clarify packaging information to distinguish between forward-facing-only, rear-facing-only, and convertible CRS in order to reduce the risk of users misusing these enhanced CRS clarify that assessment of the DE plane only applies to rearward-facing Child Restraint Systems (CRS) in UN Regulation No. 44 and therefore does not apply to forward-facing child restraints that maintain structure of the child restraint behind the head of the dummy specify the dimensions of the approval number correct the term “Regulation No. 129-02” to “UN Regulation No. 129/02” change the 145 cm stature of the Specific Vehicle Booster seat to the 150 cm stature as this is the upper limit, and modify the approval markings for consistency between technical services and approval authorities and between the labels of products approved under the 02 and 03 series.

Regulation:	UN Regulation No. 129 \| Enhanced Child Restraint Systems
Document:	Revision 1 \| Amendment 7
Corresponds to:	01 series of amendments \| Supplement 6 (Entered into force on 11 Jan 2020)
Based on:	Document WP.29/2019/38 Proposal to introduce new and modified labeling and to clarify packaging information to distinguish between forward-facing-only, rear-facing-only, and convertible CRS in order to reduce the risk of users misusing these enhanced CRS, and clarify that assessment of the DE plane only applies to rearward-facing Child Restraint Systems (CRS) in UN Regulation No. 44 and therefore does not apply to forward-facing child restraints that maintain structure of the child restraint behind the head of the dummy.