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