President Trump’s fuel economy reset removes Biden-era restrictions blamed for killing compact car production and fueling America’s oversized vehicle trend.
By yourNEWS Media Newsroom
President Donald Trump on Friday announced that his administration will reset the nation’s corporate average fuel economy (CAFE) standards, effectively reversing the Biden-era rules that made small gasoline and diesel-powered cars nearly impossible to produce in volume.
The move aims to revive the U.S. compact car market by loosening federal mileage mandates that favored larger, heavier vehicles. Trump said automakers will once again be free to build “tiny cars”—vehicles that can be powered by gas, electric, or hybrid systems, and that he described as “inexpensive, safe, fuel-efficient and, quite simply, amazing.”
“I have just approved TINY CARS to be built in America,” Trump wrote in his post. “Manufacturers have long wanted to do this, just like they are so successfully built in other countries… START BUILDING THEM NOW! Thank you to the DOJ and the Departments of Transportation and Environment.”
Reversing the Biden mandate
According to a White House fact sheet, the rollback ends what officials called an “unlawful and unrealistic” set of regulations requiring automakers to achieve an average fuel economy of 50.4 miles per gallon by 2031. The administration argued those standards effectively created a de facto electric vehicle (EV) mandate by penalizing producers of conventional models.
The new rules reduce the pace of required annual fuel-efficiency increases, keeping targets within reach of traditional combustion engines. A Department of Transportation memorandum details that fuel economy for passenger cars will now rise modestly—0.5% per year through 2026, followed by slower increments through 2031—achieving a fleet average of 34.5 mpg by the end of the decade. The DOT will also end the controversial CAFE credit-trading program by 2028, which Trump officials said artificially inflated EV sales while penalizing standard vehicle manufacturers.
Another major change reclassifies crossovers and compact SUVs as passenger cars rather than light trucks—a regulatory correction that could reshape manufacturing incentives and reduce the dominance of bulky vehicles on American roads.
The rise of the oversized vehicle
Fuel economy standards were originally established by Congress in 1975 to reduce dependence on foreign oil, but successive revisions have pushed automakers to extremes. Stricter targets and safety regulations, combined with consumer preferences, have produced an era of “obese-looking” vehicles, where trucks and SUVs dominate. As The Autopian and Cornell’s Journal of Law and Public Policy note, loopholes in classification rules encouraged manufacturers to prioritize heavier models that face easier efficiency thresholds.
Smaller vehicles, once central to affordable transportation, were squeezed out of the market. Failure to meet high CAFE targets resulted in steep fines for automakers, effectively pricing compact cars out of reach for budget-conscious consumers.
“President Trump is delivering major relief to American families by resetting the Biden Administration’s costly and unlawful Corporate Average Fuel Economy standards,” the White House said. The administration emphasized that the rollback “returns CAFE standards to levels that can actually be met with conventional gasoline and diesel vehicles.”
A shift back to balance
Transportation Secretary Sean Duffy’s memorandum, “Fixing the CAFE Program,” argues that the reform restores “fidelity to the law” by aligning fuel-efficiency policy with congressional intent rather than political mandates.
While environmental groups have warned that relaxed standards could slow emission reductions, the administration counters that its approach reflects practicality—reducing costs for families, protecting jobs in traditional manufacturing, and allowing automakers to innovate across fuel types.
As the new framework takes effect, the American car market may once again diversify beyond its current landscape of SUVs and trucks. In Trump’s words, the goal is simple: to “build smaller, smarter, and more affordable cars—made in America again.”
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