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|---|---|
| TA | Task Force on Tyre Abrasion Last session: March 2026 |
| WLTP-AH | Ad Hoc Group on WLTP 04/05 Series of Amendments Last session: March 2026 |
| PMP | Particle Measurement Programme Last session: February 2026 |
| GRPE-TF-AVRS | GRPE Automated Vehicle Regulations Screening Next session: 9 Mar |
| VIAQ | Vehicle Interior Air Quality Last session: March 2026 |
| EV/HFCV | Electric and Hydrogen Fuel-Cell Vehicle Retrofit Systems Next session: 21 Apr |
| A-LCA | Automotive Life Cycle Assessment Next session: 17 Mar |
| EVE | Electric Vehicles and the Environment Next session: 16 Mar |
| EPPR | Environmental and Propulsion Performance Requirements for L-category Vehicles Next session: 16 Mar |
| RDE | Informal Working Group on Real Driving Emissions Last session: January 2021 |
| WLTP | Worldwide Harmonized Light Vehicles Emissions Test Procedure Last session: June 2020 |
| GFV | Informal Group on Gaseous Fueled Vehicles Last session: June 2016 |
| HDH | Informal Group on Heavy-Duty Hybrids Last session: March 2016 |
| VPSD | Informal Working Group on Vehicle Propulsion System Definitions Last session: February 2015 |
| REC | Informal Working Group on Retrofit Emission Control Devices Last session: January 2014 |
| MACTP | Mobile Air-Conditioning Test Procedure Informal Group Last session: June 2012 |
| EFV | Informal Group on Environmentally Friendly Vehicles Last session: June 2011 |
| H2SGE | Subgroup on Environment of the HFCV Informal Group Last session: June 2010 |
| FQ | Informal Working Group on Fuel Quality Last session: June 2010 |
| FIT | Regulation Fitness for Automated Vehicles |