Trump administration finalizes rollback of fuel-economy rules for 2022-2031 vehicles

The Trump administration announced Sept. 28, 2026, a final rule relaxing pollution controls for gasoline cars and light trucks for model years 2022-2031. The Transportation Department calls the policy 'Freedom Means Affordable Cars.' It reverses Biden-era efficiency increases, resetting annual gains to a fraction of a percent. Expect fights over emissions, costs, and state enforcement.