Federal fuel economy targets for cars and light trucks are cut sharply
Fuel economy standards for past and future model years drop to an estimated fleet average of about 34.9 mpg in the final year covered, down from 49.3 mpg under the old rules. Tradable credits end for later model years, and car and truck classes are redrawn.
Who it affects
Automakers selling passenger cars and light trucks in the U.S.
When
This rule takes effect on November 30, 2026.
- : Published in the Federal Register
- : This rule takes effect
Official text
FR Doc. 2026-19964: The Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule III for Model Years 2022 to 2031 Passenger Cars and Light Trucks
On Federal Register. The official text is what counts; read it before you act.
Not legal advice. Plain-English summaries to help you find what changes and when. Not legal advice: read the official text, and ask a lawyer about your situation.