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Date Reference Description Status
16 Jan 2020 GRPE-80-33
EPA Update on the Cleaner Trucks Initiative
Working Party Informal Diesel and CNG/LNG Engine Emissions Diesel/CNG/LNG Engine Emissions Uniform provisions concerning the measures to be taken against the emission of gaseous and particulate pollutants from compression-ignition engines and positive ignition engines for use in vehicles Worldwide Heavy-Duty Vehicle Emissions Certification Procedure WHDC Global Technical Regulation No. 4: Test Procedure for Compression-ignition (C.I.) Engines and Positive-ignition (P.I.) Engines Fuelled with Natural Gas (NG) or Liquefied Petroleum Gas (LPG) with regard to the Emission of Pollutants 20 Jan 2020
05 Nov 2019 RDE-07-14
RDE Analysis and Open Source Tool Development
Informal Group Informal Global Real Driving Emissions Test Procedure Global RDE Worldwide harmonized Real Driving Emissions test procedure 5 Nov 2019
05 Nov 2019 RDE-07-15
RDE GTR Development
Informal Group Informal Global Real Driving Emissions Test Procedure Global RDE Worldwide harmonized Real Driving Emissions test procedure 5 Nov 2019
04 Apr 2019 EVE-30-10
EV Power Determination: Development and Validation of a Test Procedure for Determining the System Power
Informal Group Informal Electric Vehicle System Power Determination EV Power Determination 4 Apr 2019
03 Apr 2019 RDE-04-10
RDE GTR: Scope of U.S. Work to Inform Development of GTR
Informal Group Informal Global Real Driving Emissions Test Procedure Global RDE Worldwide harmonized Real Driving Emissions test procedure 4 Apr 2019
18 Dec 2018 RDE-02-10
RDE GTR: Scope of U.S. Work to Inform Development of GTR
Informal Group Informal Global Real Driving Emissions Test Procedure Global RDE Worldwide harmonized Real Driving Emissions test procedure 19 Dec 2018
04 Dec 2018 N/A
US EPA report on its EV power determination validation testing results
Informal Subgroup Reference Electric Vehicle System Power Determination EV Power Determination 5 Dec 2018
12 Oct 2018 EVE-28-07
Hybrid electric vehicle power determination: Status of US EPA validation testing
Informal Group Informal Electric Vehicle Environmental Performance Electric Vehicles & the Environment Electric Vehicle System Power Determination EV Power Determination 16 Oct 2018
22 Mar 2016 EVE-18-04
Battery Durability in Electrified Vehicle Applications: A Review of Degradation Mechanisms and Durability Testing - FINAL REPORT
Informal Group Informal Electric Vehicle Environmental Performance Electric Vehicles & the Environment Under the auspices of the US EPA, FEV North America, Inc. conducted an extensive literature review on the subject of EV battery durability for the EVE Informal Working Group. The review examines the electrochemical basis for the deterioration of batteries used in BEV, HEV, and PHEV applications along with testing activities performed on such electrified vehicles and automotive grade cells, battery packs, etc. 22 Mar 2016
09 Mar 2016 WP.29-168-17
Statement of Edward Nam, Director Air Quality and Modeling Center Office of Transportation and Air Quality U.S. Environmental Protection Agency
World Forum Informal Enforcement and Compliance Enforcement and Compliance n.a. 9 Mar 2016
08 Dec 2015 EPPR-14-03
Request to include US and Canadian reference fuels in motorcycle evaporative emissions GTR
Informal Group Informal Motorcycle crankcase and evaporative emissions Motorcycle Evaporative Emissions Measurement procedure for two- or three-wheeled light motor vehicle equipped with a combustion engine with regard to the crankcase and evaporative emissions. The current draft GTR on motorcycle evaporative emissions includes seven options for the test fuel; however, the list does not include the fuel specified under US and Canadian requirements. Therefore, the US and Canada request the addition of a new option corresponding to the fuel specifications laid out in the United States Code of Federal Regulations, Title 40, Part 1051, section 501 (40 CFR 1051.501). 8 Dec 2015
12 Nov 2015 WP.29-167-31
Statement on US EPA Notices of Violation issued to Volkswagen
World Forum Informal 17 Nov 2015
15 Oct 2015 EWG-03-02
US Environmental Protection Agency Office of Transportation and Air Quality: Compliance Overview
Informal Group Informal Enforcement and Compliance Enforcement and Compliance n.a. Presentation on the scope and content of US EPA activities with regard to vehicle emissions (including heavy-duty, non-road, and light vehicles). 15 Oct 2015
14 Jan 2015 GRPE-70-15
Comparison of Heavy Duty Hybrid Test Procedures Drafted in GTR No. 4
Working Party Informal Worldwide Heavy-Duty Vehicle Emissions Certification Procedure WHDC Global Technical Regulation No. 4: Test Procedure for Compression-ignition (C.I.) Engines and Positive-ignition (P.I.) Engines Fuelled with Natural Gas (NG) or Liquefied Petroleum Gas (LPG) with regard to the Emission of Pollutants Heavy-Duty Hybrid Vehicle Emissions Heavy-duty Hybrids (HDH) This project, as currently envisioned, would result in an amendment to Global Technical Regulation 4: Worldwide Harmonized Heavy-Duty Emissions Certification Procedure (WHDC). Status of US EPA program to validate the HILS methodology and resolve error codes. 14 Jan 2015
04 Jun 2014 HDH-18-04
US Adoption of GRPE Heavy-Duty Hybrid new annex to Global Technical Regulation n°4
Informal Group Informal Worldwide Heavy-Duty Vehicle Emissions Certification Procedure WHDC Global Technical Regulation No. 4: Test Procedure for Compression-ignition (C.I.) Engines and Positive-ignition (P.I.) Engines Fuelled with Natural Gas (NG) or Liquefied Petroleum Gas (LPG) with regard to the Emission of Pollutants Heavy-Duty Hybrid Vehicle Emissions Heavy-duty Hybrids (HDH) This project, as currently envisioned, would result in an amendment to Global Technical Regulation 4: Worldwide Harmonized Heavy-Duty Emissions Certification Procedure (WHDC). Memorandum from the US EPA providing an overview of obstacles to US adoption of the proposed heavy-duty hybrids amendment and possible remedies to overcome these concerns. This memo addresses remaining concerns beyond those presented earlier in document HDH-16-03. 4 Jun 2014
17 Feb 2014 EVE-09-04
Calculation of Upstream CO2 for Electrified Vehicles
Informal Group Informal Electric Vehicle Environmental Performance Electric Vehicles & the Environment Presentation on scenarios for deployment of electrified vehicles in the United States and impact on power consumption and CO<sub>2</sub> emissions. 17 Feb 2014
20 Dec 2013 HDH-16-03
Adoption of GRPE Heavy-Duty Hybrid new annex to Global Technical Regulation n°4
Informal Group Informal Heavy-Duty Hybrid Vehicle Emissions Heavy-duty Hybrids (HDH) This project, as currently envisioned, would result in an amendment to Global Technical Regulation 4: Worldwide Harmonized Heavy-Duty Emissions Certification Procedure (WHDC). Worldwide Heavy-Duty Vehicle Emissions Certification Procedure WHDC Global Technical Regulation No. 4: Test Procedure for Compression-ignition (C.I.) Engines and Positive-ignition (P.I.) Engines Fuelled with Natural Gas (NG) or Liquefied Petroleum Gas (LPG) with regard to the Emission of Pollutants Memorandum from the US Environmental Protection Agency on the proposed addition of test procedures for heavy-duty hybrid vehicles to the global technical regulation on heavy-duty vehicle emissions and fuel consumption (WHDC) identifying "a number of open issues that are causing concern for the United States and require resolution prior to considering the Annex for adoption". 4 Jan 2014
04 Jun 2013 HDH-14-06
EPA presentation on issues concerning the validation of heavy-duty hybrid HILS procedures
Informal Group Informal Heavy-Duty Hybrid Vehicle Emissions Heavy-duty Hybrids (HDH) This project, as currently envisioned, would result in an amendment to Global Technical Regulation 4: Worldwide Harmonized Heavy-Duty Emissions Certification Procedure (WHDC). Worldwide Heavy-Duty Vehicle Emissions Certification Procedure WHDC Global Technical Regulation No. 4: Test Procedure for Compression-ignition (C.I.) Engines and Positive-ignition (P.I.) Engines Fuelled with Natural Gas (NG) or Liquefied Petroleum Gas (LPG) with regard to the Emission of Pollutants 9 Jun 2013
12 Apr 2013 EVE-05-12
US Response to EVE Regulatory Reference Guide Questionnaire
Informal Group Informal Electric Vehicle Environmental Performance Electric Vehicles & the Environment US input on the draft reference guide on electric vehicle environmental requirements, including review of US electric vehicle regulatory and policy activities (labeling, incentives, consumer awareness, SAE cooperation, etc.). 14 Apr 2013
11 Apr 2013 EVE-05-08
Summary of the 13th HDH informal group session
Informal Group Informal Electric Vehicle Environmental Performance Electric Vehicles & the Environment Review of the Heavy-Duty Hybrids informal group efforts to develop emissions and energy consumption test procedures. 14 Apr 2013
21 Mar 2013 HDH-13-12
Future Heavy-Duty GHG Test Procedure Considerations
Informal Group Informal Heavy-Duty Hybrid Vehicle Emissions Heavy-duty Hybrids (HDH) This project, as currently envisioned, would result in an amendment to Global Technical Regulation 4: Worldwide Harmonized Heavy-Duty Emissions Certification Procedure (WHDC). Worldwide Heavy-Duty Vehicle Emissions Certification Procedure WHDC Global Technical Regulation No. 4: Test Procedure for Compression-ignition (C.I.) Engines and Positive-ignition (P.I.) Engines Fuelled with Natural Gas (NG) or Liquefied Petroleum Gas (LPG) with regard to the Emission of Pollutants Overview of current US Environmental Protection Agency heavy-duty hybrid powerpack testing activites. 29 Jul 2013
14 Jan 2013 GRPE-65-04/Rev.1
Final ToR for Informal Working Group on Electric Vehicles and Environment
Working Party Informal Electric Vehicle Environmental Performance Electric Vehicles & the Environment Final Terms of Reference for the informal working group on the environmental performance of electric vehicles. 14 Jan 2013
11 Oct 2012 HDH-11-08
Heavy Duty Hybrid Powertrain Testing
Informal Group Informal Heavy-Duty Hybrid Vehicle Emissions Heavy-duty Hybrids (HDH) This project, as currently envisioned, would result in an amendment to Global Technical Regulation 4: Worldwide Harmonized Heavy-Duty Emissions Certification Procedure (WHDC). Presentation on Environment Canada and US EPA joint program. 12 Oct 2012
20 Sep 2012 EVE-02-21
Draft agenda for the 3rd EVE informal group session
Informal Group Agenda Electric Vehicle Environmental Performance Electric Vehicles & the Environment Proposed agenda for the Electric Vehicle Environmental Performance informal group session planned for 14 January 2013. 21 Sep 2012
14 Sep 2012 EVE-02-14
Li-Ion Batteries and Nanotechnology for Electric Vehicles: A Life-Cycle Assessment
Informal Group Informal Electric Vehicle Environmental Performance Electric Vehicles & the Environment Presentation on US EPA study evaluating Li-ion batteries for electric vehicles and single-wall carbon nanotube (SWCNT) anode technology for use in next-generation Li-ion batteries. 19 Sep 2012
14 Sep 2012 EVE-02-22
EVE IWG Session 2 Open Issues
Informal Group Informal Electric Vehicle Environmental Performance Electric Vehicles & the Environment Research topics and open discussion items from the second Electric Vehicle Environmental Performance informal working group. 21 Sep 2012
13 Sep 2012 EVE-02-19
Overview of Electric Vehicle Market Issues in the U.S.
Informal Group Informal Electric Vehicle Environmental Performance Electric Vehicles & the Environment Current status of plug-in electric vehicles and plug-in hybrid electric vehicles in the U.S. market, U.S. regulatory landscape, U.S. government incentives, market drivers and barriers. 19 Sep 2012
07 Sep 2012 EVE-02-05
Revised and expanded draft agenda for the 2nd EVE informal group session
Informal Group Agenda Electric Vehicle Environmental Performance Electric Vehicles & the Environment 12 Sep 2012
21 Aug 2012 EVE-02-01
Proposed agenda for the 2nd EVE informal group meeting
Informal Group Agenda Electric Vehicle Environmental Performance Electric Vehicles & the Environment 12 Sep 2012
21 Aug 2012 EVE-02-02
Invitation to the 2nd EVE informal group session
Informal Group Informal Electric Vehicle Environmental Performance Electric Vehicles & the Environment 12 Sep 2012
21 Aug 2012 EVE-02-03
Hotels in Baltimore (Site of 2nd EVE informal group session)
Informal Group Informal Electric Vehicle Environmental Performance Electric Vehicles & the Environment 12 Sep 2012
21 Aug 2012 EVE-02-04
Terms of Reference for Informal Working Group on Electric Vehicles and Environment
Informal Group Informal Electric Vehicle Environmental Performance Electric Vehicles & the Environment 12 Sep 2012
17 Nov 2011 EWG-00-03
U.S. Environmental Protection Agency Vehicle Compliance Programs
Informal Group Informal Enforcement and Compliance Enforcement and Compliance n.a. 21 Dec 2011
16 Nov 2011 WP.29-155-38
Proposal to establish work groups on electric vehicle safety and environmental requirements
World Forum Informal Electric Vehicle Environmental Performance Electric Vehicles & the Environment Electric Vehicle Safety Electric Vehicle Safety 16 Nov 2011
03 Nov 2011 WP.29-155-11
US EPA/NHTSA programs for greenhouse gas emissions and fuel efficiency standards for medium- and heavy-duty engines
World Forum Informal 3 Nov 2011
03 Nov 2011 WP.29-155-12
US EPA/NHTSA program for new fuel economy and environment labels for a new generation of vehicles
World Forum Informal 3 Nov 2011
12 Oct 2011 HDH-07-09
EPA Heavy‐Duty GHG Overview and Hybrid System Testing
Informal Group Informal Heavy-Duty Hybrid Vehicle Emissions Heavy-duty Hybrids (HDH) This project, as currently envisioned, would result in an amendment to Global Technical Regulation 4: Worldwide Harmonized Heavy-Duty Emissions Certification Procedure (WHDC). 5 Dec 2011
12 Oct 2011 HDH-07-11
Clean Automotive Technology: HHV Component Information
Informal Group Informal Heavy-Duty Hybrid Vehicle Emissions Heavy-duty Hybrids (HDH) This project, as currently envisioned, would result in an amendment to Global Technical Regulation 4: Worldwide Harmonized Heavy-Duty Emissions Certification Procedure (WHDC). 5 Dec 2011
15 Sep 2011 WP.29/2012/32/Add.1
US Federal Register Notice: GHG Emissions Standards and Fuel Efficiency Standards
World Forum Working September 2011 notice of final NHTSA fuel consumption standards and final EPA carbon dioxide (CO2) emissions standards for Combination Tractors; Heavy-duty Pickup Trucks and Vans; and Vocational Vehicles, corresponding with the request to list these regulations in the Compendium of Candidate GTR. 1 May 2012
06 Jul 2011 WP.29/2012/33/Add.1
US Federal Register Notice: Motor Vehicle Fuel Economy Label
World Forum Working July 2011 notice of the US EPA and NHTSA joint final rule establishing new requirements for the fuel economy and environment label posted on the window sticker of all new automobiles sold in the U.S., corresponding with the US request to list this rule in the Compendium of Candidate GTR. 1 May 2012
28 Jun 2011 GFV-23-12
New EPA Policies for Vehicle/Engine Conversions to Clean Alternative Fuels
Informal Group Informal Heavy-Duty Dual Fuel Retrofit Systems HD Dual Fuel Retrofit Systems Uniform provisions concerning the approval of Heavy Duty Dual-Fuel Engine Retrofit Systems (HDDF-ERS) to be installed on heavy duty diesel engines and vehicles US EPA presentation at the Clean Cities Summit held in Indianapolis on June 28, 2011, transmitted to GFV courtesy of Jeff Seisler representing NGV Global and Clean Fuels Consulting. 24 Dec 2012
16 May 2011 HDH-05-10
Heavy-duty hybrid powertrain testing
Informal Group Informal Heavy-Duty Hybrid Vehicle Emissions Heavy-duty Hybrids (HDH) This project, as currently envisioned, would result in an amendment to Global Technical Regulation 4: Worldwide Harmonized Heavy-Duty Emissions Certification Procedure (WHDC). 25 May 2011
08 Feb 2011 HDH-05-01
Invitation to the 5th HDH Informal Group session
Informal Group Heavy-Duty Hybrid Vehicle Emissions Heavy-duty Hybrids (HDH) This project, as currently envisioned, would result in an amendment to Global Technical Regulation 4: Worldwide Harmonized Heavy-Duty Emissions Certification Procedure (WHDC). 8 Feb 2011
22 Sep 2010 WLTP-DTP-AP-02-11
40 CFR 1065 N20 measurement devices
Informal Subgroup Worldwide Harmonized Light Vehicle Emissions Test Procedure WLTP Worldwide Harmonized Light Vehicles Test Procedure 22 Sep 2010
09 Jun 2010 WP.29-151-05
Final Rulemaking to Establish 2012- 2016 Light-Duty Vehicle CAFE and GHG Standards
World Forum 9 Jun 2010
04 Jun 2010 HDH-02-06
Comments on the Terms of Reference
Informal Group Worldwide Heavy-Duty Vehicle Emissions Certification Procedure WHDC Global Technical Regulation No. 4: Test Procedure for Compression-ignition (C.I.) Engines and Positive-ignition (P.I.) Engines Fuelled with Natural Gas (NG) or Liquefied Petroleum Gas (LPG) with regard to the Emission of Pollutants Heavy-Duty Hybrid Vehicle Emissions Heavy-duty Hybrids (HDH) This project, as currently envisioned, would result in an amendment to Global Technical Regulation 4: Worldwide Harmonized Heavy-Duty Emissions Certification Procedure (WHDC). 4 Jun 2010
14 Apr 2010 WLTP-DTP-01-12
Presentation: WLTP Test Procedures for Hybrid Electric Vehicle Testing
Informal Subgroup Worldwide Harmonized Light Vehicle Emissions Test Procedure WLTP Worldwide Harmonized Light Vehicles Test Procedure 14 Apr 2010
14 Apr 2010 WLTP-DTP-01-13
Presentation: WLTP Test Procedures for Chassis Dynamometer Testing
Informal Subgroup Worldwide Harmonized Light Vehicle Emissions Test Procedure WLTP Worldwide Harmonized Light Vehicles Test Procedure 14 Apr 2010
15 Mar 2010 WLTP-DTP-01-02
Draft WLTP test procedures
Informal Subgroup Worldwide Harmonized Light Vehicle Emissions Test Procedure WLTP Worldwide Harmonized Light Vehicles Test Procedure 15 Mar 2010
02 Sep 2009 GRB-50-09
Quieter Cars and the Safety of Blind Pedestrians
Working Party Informal Quiet Road Transport Vehicles QRTV-GTR Formal title to be determined. 2 Sep 2009