The Trump administration has begun undoing federal fuel-economy requirements for new vehicles, signaling a broader retreat from policies intended to promote cleaner cars. At a White House event with major automakers, President Trump said the rollback will reduce vehicle prices and save consumers money, calling former President Biden’s Corporate Average Fuel Economy (CAFE) rules “ridiculously burdensome.”
CAFE requires automakers’ fleets to meet rising average fuel-efficiency targets; companies that missed targets previously paid fines or bought credits from over-performing makers, including all-electric manufacturers. Consumer Reports and other analyses have disputed that tighter standards necessarily raise vehicle costs, and they note that stronger efficiency rules can produce substantial fuel-cost savings for buyers over time.
The administration had already softened enforcement by removing fines tied to CAFE compliance through the One Big Beautiful Bill Act. Under the Biden rules, fuel-efficiency targets were scheduled to improve roughly 2% per year. The new proposal would revert standards to a 2022 baseline and raise requirements by about 0.5% annually. The plan now enters a public-comment period at the Department of Transportation before a final rule is issued.
This policy change accompanies other steps to roll back vehicle pollution and electrification incentives. The EPA’s stricter tailpipe greenhouse-gas standards are targeted for rollback. Congress repealed the consumer tax credit for electric-vehicle purchases, ended a tax credit for installing EV chargers (set to expire in June 2026), and accelerated the phase-out of other clean-energy tax incentives. Lawmakers also voted to remove federal waivers that let California require automakers to sell zero-emission vehicles, and the administration paused federal plans to fund a national high-speed EV charging network.
Trump campaigned against what he called an “electric vehicle mandate” and pledged to rescind policies that encouraged EV adoption. The changes appeal to automakers that profit from popular, less-efficient trucks and SUVs: easing standards reduces penalties for selling those models and executives have cited the shift as a support to earnings amid other economic pressures, such as tariffs.
Automakers face competing pressures. U.S. EV adoption has lagged some expectations, and several manufacturers have told investors that prior mileage rules were difficult to meet. At the same time, global markets and many countries continue to prioritize climate action, and competition from lower-cost, high-quality Chinese EVs has increased concerns about legacy automakers’ competitiveness. Ford CEO Jim Farley praised the White House move as aligning standards with market realities but said Ford is still developing an affordable electric pickup, suggesting adoption should grow over time and regulations could change.
Frequent policy reversals complicate long-range planning for vehicle makers, who design lineups years in advance. The U.S. has swung between tighter and looser fuel-economy rules across recent administrations—the Obama-era standards, rollbacks during Trump’s first term, Biden’s reinstatement, and now this “reset” under Trump’s second term—creating uncertainty for manufacturers, consumers, and the broader transition to lower-emission transportation.