US Environmental Protection Agency
Government Agency
4 March 2021 Deterioration factor for L-vehicle pollution control device durability (US EPA)
DUR-13-02/Rev.1
DUR-13-02/Rev.1 2021-03-04
22 April 2021 Comments on the draft EV battery durability GTR (US EPA)
EVE-46-12
EVE-46-12 2021-04-22
23 April 2021 Statistical analysis of motorcycle emissions deterioration factor data (CARB and US EPA)
EPPR-44-06
EPPR-44-06 2021-04-23
23 April 2021 Proposal: Minimum Accumulated Distance for 3-Wheeled Vehicles (US EPA)
DUR-14-02
DUR-14-02 2021-04-23
27 April 2021 L-vehicle pollution control: Statistical analysis of deterioration factor data (US EPA)
DUR-14-06
DUR-14-06 2021-04-27
4 June 2021 IWG RDE (Real Driving Emissions) : Phase 2 Terms of Reference and Rules of Procedure (EU and US EPA)
GRPE-83-31
GRPE-83-31 2021-06-04
30 June 2021 Input on deterioration factor methodologies in US emissions regulations (US EPA)
DUR-16-03
DUR-16-03 2021-06-30
30 June 2021 Deterioration factors across regulatory agencies: Revision of column on US methods (US EPA)
DUR-16-04
DUR-16-04 2021-06-30
30 June 2021 Deterioration factors across regulatory agencies: Revision of US column (US EPA)
DUR-16-05
DUR-16-05 2021-06-30
21 July 2021 Deterioration Factor Requirements for On-Highway Motorcycles (two and three wheelers) (US EPA)
DUR-17-04
DUR-17-04 2021-07-21
21 July 2021 L-vehicle Pollution Control Durability: Minimum Distance Accumulation and Mathematical Deterioration Factor (US EPA)
DUR-17-05
DUR-17-05 2021-07-21
23 August 2021 L-category pollution controls durability GTR: Proposal to include paragraphs on multiplicative deterioration factor values in the Technical Report (US EPA)
DUR-18-01
DUR-18-01 2021-08-23