Updated on: December 4, 2025 / 9:44 AM EST / CBS News
The Trump administration is proposing new fuel economy standards for vehicles that would roll back efficiency rules implemented under former President Biden.
Under the Transportation Department proposal, which was unveiled at a White House event on Wednesday, automakers would need to meet less stringent vehicle mileage requirements.
Federal fuel economy rules are overseen by the National Highway Traffic Safety Administration (NHTSA) under what's known as the CAFE (Corporate Average Fuel Economy) Standards. Enacted by Congress in 1975, th