Trump says he will repeal Biden-era fuel efficiency standards for cars and trucks

Move marks president’s latest effort to dismantle pollution regulations and support for cleaner-running vehicles

Donald Trump announced on Wednesday that he is repealing the Biden-era federal fuel economy standards, significantly weakening fuel efficiency requirements for tens of millions of new gasoline-powered cars and light trucks.

It marks the US president’s latest effort to dismantle pollution regulations and federal support for cleaner-running vehicles and renewable energy. Burning gasoline is a significant contributor to global heating and transportation is the largest source of greenhouse gas emissions in the United States.

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source https://www.theguardian.com/us-news/2025/dec/03/trump-fuel-efficiency-rules