Trump rolls back fuel standards as automakers gain more room to build gas-powered cars and trucks

Trump backs major changes to U.S. fuel economy rules

President Donald Trump approved new fuel economy standards that his administration says will lower vehicle costs and give automakers more flexibility. The Transportation Department finalized the rule Monday, with Secretary Sean Duffy saying it will support consumer choice and U.S. manufacturing.

The policy could affect automakers’ plans for cars, trucks, and SUVs sold in the coming years, as well as how much fuel some vehicles use.

New auto rules could reshape what Americans buy

The finalized standards set a fleetwide average fuel economy target of about 34.9 mpg for model year 2031. That is well below the roughly 50.4 mpg target set by Biden-era standards.

The change gives automakers more room to sell larger gasoline-powered vehicles, while reducing pressure to improve overall fleet efficiency as quickly. For drivers, the policy could influence future vehicle prices, fuel costs, and the mix of gas, hybrid, and electric models.

Trump says the changes could lower vehicle prices

The Trump administration says the less stringent fuel economy requirements will reduce compliance costs and could lower new-vehicle prices.

NHTSA estimates that if manufacturers pass the projected technology cost savings to consumers, average per-vehicle costs for model year 2031 would be about $1,289 lower than under the no-action baseline.

Trump has also argued that the changes could save families money when buying a car. Actual vehicle prices will still depend on automaker decisions, production costs, demand, dealer pricing, and other factors affecting the auto market.

Lower fuel standards could mean higher fuel use

Lower fuel economy requirements can allow automakers to build vehicles that use more gas. NHTSA’s final rule estimates that the selected standards will result in about 122 billion additional gallons of gasoline-equivalent fuel consumption through 2050 compared with the no-action baseline, a 4.6% increase over that period.

The administration also estimates that average fuel costs will rise by more than $1,600 over a vehicle’s lifetime. For drivers, fuel economy remains important because less-efficient vehicles generally require more fuel to travel the same distance.

The rule changes how automakers plan future vehicles

Automakers use federal fuel economy rules when planning vehicle designs, engines, and powertrains years before models reach dealerships. The new 34.9 mpg fleetwide target gives manufacturers more flexibility than the earlier standard.

That could affect decisions involving gasoline cars, pickups, SUVs, hybrids, and EVs. Companies may still pursue more efficient vehicles based on customer demand, fuel prices, technology costs, and their own business strategies, even with less regulatory pressure.

Biden-era rules did not directly require EV purchases

Biden-era fuel economy standards were designed to improve vehicle efficiency and reduce fuel consumption, but they did not directly require consumers to buy electric vehicles.

The rules could encourage automakers to increase EV and other efficient vehicle production because those models can help companies meet fleetwide requirements.

Trump and his allies have described the policy as an EV mandate, while supporters of the earlier standards have said the rules were focused on efficiency and emissions.

NHTSA expects a much lower efficiency target by 2031

The National Highway Traffic Safety Administration proposed a fleetwide average of roughly 34.5 mpg by 2031 before the final rule was issued. The completed regulation sets the figure at about 34.9 mpg.

By comparison, the Biden-era target was approximately 50.4 mpg. These figures are fleetwide averages rather than the fuel economy of every individual vehicle. Automakers can use different vehicle types and compliance methods to meet federal requirements.

Supporters say automakers could face lower costs

Supporters of the rollback argue that meeting less demanding fuel economy requirements can reduce engineering and compliance costs for automakers. Those savings could affect vehicle prices, manufacturing decisions, and the types of models companies choose to produce.

The administration also says the changes will make it easier for manufacturers to build vehicles that match customer demand. However, vehicle prices are influenced by many factors beyond federal fuel economy requirements.

Critics warn drivers could spend more at the pump

Critics of the rollback point to the potential for higher gasoline use and fuel spending. The Natural Resources Defense Council has argued that weaker efficiency standards could increase costs for drivers, especially when gasoline prices are already high.

The concern centers on lifetime ownership costs rather than only the sticker price. A less efficient vehicle may cost less initially but require more fuel over thousands of miles, depending on driving habits and gasoline prices.

The rule could affect gas cars and electric vehicles

The new standards could influence the balance between gasoline vehicles and electric vehicles in future U.S. showrooms. With less pressure to improve fleet fuel economy, automakers may have greater flexibility to continue selling gasoline-powered cars, trucks, and SUVs.

EVs can remain part of companies’ strategies because of consumer demand, technology investments, and market competition. The rule changes federal requirements, but it does not prevent automakers from producing or selling EVs.

U.S. auto plants could see policy changes over time

Trump has linked the new standards to increased U.S. auto manufacturing and investment. In a September 26 statement, he said manufacturers, including General Motors, Ford, and Stellantis, had contacted him about building more vehicles in the United States.

He also highlighted Michigan, Ohio, Indiana, and South Carolina, arguing that auto plants and jobs were returning to the U.S. Whether specific factories receive new investment will depend on companies’ plans, vehicle demand, production costs, labor decisions, and broader economic conditions.

The changes arrive as car affordability remains a concern

Vehicle affordability has become an important issue for many American shoppers as new-car prices and monthly payments remain closely watched. The administration says lower compliance costs could help reduce new-vehicle prices.

However, fuel economy rules are only one part of the total cost of owning a vehicle. Interest rates, insurance, maintenance, fuel prices, vehicle availability, and dealer pricing can all affect what drivers ultimately pay.

Why American-made trucks and SUVs sold in Japan are drawing quality attention shows how vehicle rules and market expectations can differ sharply between countries.

EV tax credits have already changed the market

Federal tax credits for new, used, and commercial clean vehicles ended for vehicles acquired after September 30, 2025. The previous consumer credit for qualifying new EVs could provide up to $7,500 as a federal tax credit.

The change removed a major federal purchase incentive, while the new fuel economy rule reduces regulatory pressure on automakers. Together, those changes create a different environment for EV buyers and manufacturers than the rules in place earlier.

Why are people keeping their old vehicles instead of trading them in? shows how vehicle costs and limited choices can keep drivers in older models longer.

Would you choose a cheaper gas-powered vehicle over a hybrid or EV if prices differ significantly?

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This slideshow was made with AI assistance and human editing.