The US Environmental Protection Agency (EPA) has released its annual Automotive Trends Report, which shows that model year (MY) The report also shows all 14 large automotive manufacturers achieved compliance with the Light-duty Greenhouse Gas (GHG) standards through at least MY2020. The gains in fuel economy started back during the Obama Administration. Despite fierce opposition by the interim Republican interregnum, continued with progress during the Biden Administration.

The latest welcome gains in fuel economy and cleaner air started back during the Obama Administration. Despite fierce opposition during the Republican interregnum, better fuel economy and cleaner air continued with progress during the Biden Administration, which also faced fierce opposition from the pollution of the false claims of Republican climate change disputers.