Former President Donald Trump announced on Saturday via Truth Social that he has approved new fuel economy standards that roll back the stricter rules implemented during Joe Biden’s administration. These original Biden-era standards aimed to raise fuel efficiency for passenger cars and light trucks, targeting an average of around 50 miles per gallon by 2031 to accelerate electric vehicle adoption. Trump’s reversal marks a significant shift away from these aggressive environmental policies.

The new set of standards is expected to relax the fuel economy requirements, although the exact details have yet to be released. Transportation Secretary Sean Duffy has indicated that the upcoming regulations will impose much lower fuel efficiency targets compared to Biden’s framework. Trump framed the rollback as a move that will benefit automakers and consumers alike, suggesting that the changes will reduce production costs and lower vehicle prices.

Industry players such as General Motors, Ford, and Stellantis publicly expressed enthusiasm toward the rollback, anticipating a more favorable manufacturing climate under the revised rules. The eased standards potentially allow manufacturers to focus more on larger, more profitable vehicles like pickup trucks and SUVs, which typically have poorer gas mileage but dominate U.S. sales. While the rollback diminishes incentives for electric vehicle production, some automakers, including GM, have maintained their commitments to EV development despite the policy shift.

This regulatory change fulfills a campaign pledge from Trump to undo policies promoting electric and hybrid vehicles. It also highlights the continuing tension between environmental goals and industry economic interests in shaping U.S. climate and automotive policies. Market watchers will be closely monitoring how these revised standards influence automaker strategies and consumer vehicle choices moving forward.