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United States・Economy

Trump Approves Lower Fuel Economy Standards, Ending Biden's EV Push

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The U.S. Transportation Department will finalize on Monday relaxed fuel-economy standards through 2031, dropping the 2031 fleet target from 50.4 mpg under Biden to 34.5 mpg. Trump says it will cut car prices; the department projects higher fuel use and emissions.

Why it matters

President Donald Trump said on September 26 he has approved new vehicle fuel-economy standards, reversing the Biden administration's push to force automakers to build more electric vehicles. Transportation Secretary Sean Duffy said "a major victory for America's auto workers is coming Monday," with the final rule set to be published on September 28.

Key numbers

The department's earlier proposal would require a fleetwide average of 34.5 miles per gallon (14.7 km/l) by 2031, sharply down from 50.4 mpg (21.4 km/l) under Biden. The department estimates the new standards would cut the average new-vehicle cost by about $930 each, but increase fuel consumption by around 100 billion gallons through 2050, fuel spending by $185 billion and carbon dioxide emissions by about 5%.

What they said

Trump wrote on Truth Social that the new standards "will take the waste out of building cars in America" and lower prices, claiming GM, Ford and Stellantis want to build in the U.S., and that over $100 billion is being invested in U.S. auto production under his administration.

Under Biden, required fuel efficiency rose 8% a year for model years 2024 and 2025, 10% for 2026, and 2% a year from 2027 to 2031.

Context

Reuters reports American drivers are grappling with sharply higher fuel prices since the U.S.-Iran conflict began at the end of February. Trump's approval does not itself change the standards — they take effect through a final rule issued by the National Highway Traffic Safety Administration (NHTSA).

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