Automakers back Trump rollback of fuel economy rules
The gist
The Alliance for Automotive Innovation, representing major automakers, filed backing Trump's lower fuel economy standards in court.
The rule cuts the 2031 target to 34.9 mpg, pitting carmakers against states.
How it unfolded
- 2024A fleet-wide fuel economy average of 50.4 miles per gallon (21.4 km per liter) was approved under then-President Joe Biden.
- Sep 26, 2026President Donald Trump announced new fuel economy standards rolling back requirements adopted under his predecessor, arguing they will lower automobile prices and encourage manufacturers to expand US production.
- Sep 28, 2026The industry trade group representing Ford, General Motors, Hyundai, Toyota and other major carmakers praised the new rule, saying it will preserve consumer vehicle choice and keep the US auto industry globally competitive.