United States President Donald Trump has announced sweeping new fuel economy standards that officially roll back stringent requirements adopted under his predecessor, arguing that the policy shift will significantly lower automobile prices and encourage major manufacturers to expand their production footprints within the United States.
In a social media statement released on Saturday, President Trump declared that the newly formulated standards would decisively terminate what he frequently characterizes as former US President Joe Biden’s "EV mandate." The president accused the previous administration of imposing costly and unrealistic regulatory requirements on traditional automakers while artificially steering consumers toward electric vehicles through executive pressure.
"These new standards will take the waste out of building cars in America," Trump wrote in his online post. "That means lower prices, saving families thousands on a new, beautiful, and safe car."
The policy changes form an integral part of a broader, concerted effort by the current Trump administration to systematically reverse Biden-era regulatory initiatives that were designed to promote lower-emission vehicles. This ongoing divergence widens the strategic gap between domestic US environmental and transportation policy and broader global market trends, which continue to lean heavily toward the adoption of electric vehicles.
While President Trump and congressional Republicans have consistently used the term "EV mandate" to describe the higher fuel efficiency requirements instituted during the tenure of former President Joe Biden, a Democrat, legal and regulatory analysts note that there are no federal guidelines or laws that legally require American citizens to purchase electric cars, nor are there any statutory bans prohibiting the commercial sale of vehicles powered exclusively by petrol.
At the core of the regulatory debate are the Corporate Average Fuel Economy (CAFE) standards. This complex regulatory system was originally established by the US Congress in 1975 in the wake of historic energy crises. The framework requires automotive manufacturers to meet specific average fuel economy targets across the entire fleet of cars and light trucks they sell in a given model year. Under this mechanism, an automotive brand that produces and sells a larger, less efficient vehicle must balance its corporate portfolio by also offering and selling a sufficient volume of highly fuel-efficient vehicles to maintain compliance with federal government standards.
Under rules that were officially finalized by the Biden administration in 2024, the mandated fleetwide average fuel economy was scheduled to climb steeply from 39.1 miles per gallon up to approximately 50.4 miles per gallon by the year 2031. At the time of implementation, the Biden administration maintained that these aggressive measures were necessary to dramatically reduce national fuel consumption and greenhouse gas emissions to combat global climate change, while simultaneously helping everyday motorists save substantial sums of money at neighborhood filling stations.
As a direct consequence of those federal benchmarks, traditional auto manufacturers significantly ramped up their research, development, and production lines for electric vehicles to help satisfy the stringent fuel economy requirements imposed by the previous administration. However, the political landscape shifted notably when the Republican-controlled US Congress gutted consumer tax incentives for electric vehicles as a key component of President Trump’s legislative agenda under the One Big Beautiful Bill Act passed the previous year.
President Trump did not immediately provide intricate technical details regarding what the exact thresholds of the new fuel economy standards would entail. However, back in December 2025, his administration advanced a preliminary proposal that would set the industry-wide fleet average for light-duty vehicles at roughly 34.5 miles per gallon by 2031. That proposed target represents a standard that is more than 30 percent lower than the aggressive requirements established under the previous Biden-era rule.
Following the president’s weekend statement, US Transportation Secretary Sean Duffy shared the announcement on social media and indicated that a formal departmental announcement and comprehensive briefing regarding the new standards would be coming on Monday.
Al Jazeera has reached out to the White House for further comment regarding the implementation timeline and the expected impact on domestic manufacturing facilities.