U.S. Administration Moves to Slash Vehicle Fuel Economy Standards Will Increase Pollution, Health Risks, Driver Costs

The current U.S. federal administration is preparing to announce significantly weaker vehicle fuel-economy standards, reversing regulations adopted under the Biden administration that were designed to push automakers toward more efficient vehicles and accelerate the transition to electric vehicles.

Reuters reported that Transportation Secretary Sean Duffy said on August 31, 2026, that the administration would soon announce what it described as a “common-sense” fuel-economy standard. The final requirements have not yet been released, but automakers expect them to closely resemble a proposal issued by the National Highway Traffic Safety Administration (NHTSA) in December 2025.

Under the proposed rules, automakers would need to achieve a fleetwide average of 34.5 miles per gallon by 2031. That would represent a substantial reduction from the 50.4 mpg fleetwide target established under the Biden administration.

The NHTSA in December proposed retroactively revising down the 2022 fuel economy standard ​and then raising it between 0.25% and 0.5% annually through 2031. President Biden increased required fuel efficiency for cars ‌by ⁠8% annually for model years 2024 and 2025, 10% for 2026 and 2% annually from 2027 to 2031.

The Biden-era requirements were intended to reduce gasoline consumption and greenhouse-gas emissions while encouraging automakers to produce more electric vehicles. The current administration argues that lower requirements would give consumers greater choice and reduce the cost of new vehicles.

NHTSA estimated that its proposed rollback could lower the upfront cost of a new vehicle by approximately $930. However, the agency also projected that weaker standards could increase U.S. fuel consumption by roughly 100 billion gallons through 2050, add approximately $185 billion in fuel costs and increase carbon dioxide emissions by about 5%.

The move follows several other federal policy changes affecting the U.S. automotive market. Congress eliminated penalties for automakers that fail to meet fuel-economy requirements and ended the federal $7,500 consumer tax credit for qualifying EV purchases. Congress also revoked California’s authority to prohibit the sale of new gasoline-powered vehicles beginning in 2035, a decision California is challenging.

The rollback represents another major shift in U.S. transportation policy, reducing federal pressure on automakers to improve fuel efficiency and produce more EVs at a time when other major global automotive markets continue moving toward vehicle electrification.

Global electric car sales are expected to grow to 23 million in 2026, representing 28% of total car sales, says the the International Energy Agency (IEA).

EVinfo.net’s Take: There Is Nothing ‘Common Sense’ About Increasing Driver Costs and Pollution When Cleaner and Cheaper Technologies Are Increasingly Available

The federal government is making a major mistake by dismantling policies designed to accelerate electric vehicle adoption and reduce vehicle emissions. Eliminating EV incentives and weakening emissions safeguards may be presented as a victory for consumer choice, but the reality is far different. These policies are leaving Americans with dirtier air, higher transportation costs, greater exposure to volatile gasoline prices and a slower-moving, less globally competitive domestic automotive industry.

The federal EV tax credit was foolishly and suddenly eliminated in September 2025, removing an important tool for making electric vehicles more affordable. EV prices have been falling as battery technology improves, production scales up and competition increases, but eliminating incentives makes it harder for consumers to overcome the remaining upfront price gap between many EVs and gasoline-powered vehicles.

That decision is also undermining America’s competitiveness. Automakers around the world are investing heavily in EVs, batteries, charging infrastructure and other clean transportation technologies. China, Europe and other markets are aggressively expanding electrification. If the United States continues to deliberately slow its own transition, American manufacturers will continue falling further behind competitors that are already building enormous EV supply chains and manufacturing capabilities.

The consequences extend well beyond the auto industry.

Weakening vehicle emissions standards means allowing more polluting gasoline-powered vehicles to remain on American roads for years. Tailpipe emissions contribute to ozone, particulate matter and other pollutants that can damage respiratory and cardiovascular health. Communities located near busy highways, freight corridors and urban transportation networks can face particularly heavy exposure.

There is nothing “common sense” about increasing pollution when cleaner and cheaper technologies are increasingly available. Electric vehicles are commonly cheaper to own and operate, and offer zero emissions.

There is also nothing financially conservative about policies that encourage Americans to remain dependent on expensive, polluting gasoline. Fuel-efficient vehicles and EVs can reduce household transportation costs by requiring less energy and, in the case of EVs, generally requiring less routine maintenance. Gasoline-powered vehicles also leave drivers exposed to oil-market volatility that send fuel prices sharply higher, as we have seen during the long six months of the mishandled Iran war.

This move will also threaten American national security. When paired with clean, cheap renewable energy and batteries, American drivers and business owners choosing electric vehicles not only save money and the environment, but also add to their energy security by cutting the cord to oil disruptions caused by geopolitical events.

In emergencies, electric vehicles themselves can act as mobile power sources, supporting homes, hospitals, and first responders, when equipped with vehicle to grid (V2G) bidirectional charging technology. Every time a driver charges an EV instead of filling a tank with imported fuel, energy spending stays within the local economy.

The costs of weaker environmental protections do not simply disappear. They are shifted onto drivers, taxpayers, healthcare systems and communities through higher fuel consumption, increased pollution and greater health costs.

The American Lung Association supports EV adoption and says that a nationwide shift to zero-emission technologies, like electric cars and trucks, will bring major public health benefits through cleaner air and reduced climate pollution.

Perhaps most significant is the repeal of the Environmental Protection Agency’s endangerment finding.

The administration’s undermining of the EPA’s authority to regulate greenhouse gas emissions is making the situation even worse. Climate change is already imposing enormous economic costs through extreme heat, wildfires, flooding, storms and other disruptions. Weakening the legal and regulatory framework for reducing transportation emissions does nothing to address those costs, and in fact makes human caused climate change do more damage.

America should be accelerating investment in cleaner transportation, not deliberately and foolishly putting the brakes on it.

EV incentives, emissions standards and investments in charging infrastructure are not attacks on consumers or the automotive industry. They are tools for encouraging competition, technological innovation and lower operating costs while reducing pollution.

The United States has an opportunity to lead the next generation of transportation technology. Abandoning that opportunity will leave American consumers paying more, American communities breathing dirtier air and American manufacturers struggling to compete in a global market that is rapidly electrifying, costing American jobs and economic growth.

Rolling back EV incentives and emissions safeguards is not putting America first. It is putting America last.