Trump mileage rollback could raise fuel costs for drivers

The new mileage rules could change what drivers pay

The Trump administration has finalized lower federal fuel economy standards for new cars and light trucks, reducing the 2031 fleetwide target to roughly 34.9 mpg. The previous target was about 50.4 mpg.

The Transportation Department says the change can reduce automakers’ technology costs and lower vehicle prices. But drivers may use more gasoline over the life of their cars, creating a tradeoff between a potentially lower purchase price and higher fuel spending.

A lower fuel target could make gasoline cars easier to build

The revised CAFE rules give automakers more room to sell gasoline-powered cars, trucks, and SUVs without meeting the tougher efficiency targets set earlier. NHTSA says the new rules correspond to about 34.9 mpg in 2031.

That could reduce pressure to add costly efficiency technology, including some hybrid and electric powertrain improvements. For shoppers, the key question is how much of those lower compliance costs will actually appear in vehicle prices.

The government estimates automakers could save $60.6 billion

The Transportation Department estimates that automakers will save about $60.6 billion through 2031 due to lower technology and compliance costs. Reuters reported that GM is projected to save about $20.4 billion, while Stellantis, Ford, Toyota, and Honda are also projected to realize sizable savings.

Those figures describe industry costs, not guaranteed discounts for buyers. The final price of a vehicle will still depend on production costs, competition, demand, and each automaker’s pricing strategy.

The promised $1,289 vehicle savings are not guaranteed

The administration estimates the new rules could reduce costs by about $1,289 per vehicle. That figure represents projected savings from lower compliance costs, rather than a check or automatic discount for buyers.

Automakers decide how to price vehicles, so consumers may not receive the full amount. The effect could also vary by vehicle type. A large pickup, a hybrid crossover, and a compact gasoline car may respond differently to the same federal fuel economy change.

Drivers could face higher fuel bills under the new rules

The Transportation Department also estimates that drivers will spend more on fuel because vehicles will use more gasoline under the less demanding standards. Its estimate is more than $1,600 in additional fuel costs over a vehicle’s life.

The actual amount will depend on gasoline prices, annual mileage, vehicle efficiency, and ownership length. That means a buyer who saves money upfront could still face higher operating costs over the years.

Fuel prices can make the long-term cost much larger

Fuel prices can quickly change vehicle operating costs. FHWA says licensed U.S. drivers traveled an average of 13,735 miles in 2024, and AAA’s national average for regular gasoline was about $4.40 per gallon on Oct. 2, 2026.

However, 34.9 mpg and roughly 50 mpg are fleetwide CAFE projections, not real-world ratings for individual vehicles. NHTSA notes real-world fuel economy is generally 20%–30% lower than required CAFE values, so those fleet averages should not be used to calculate a typical driver’s fuel bill.

Vehicles can remain on the road for more than a decade

Vehicle age matters because lower efficiency can raise fuel spending over many years. S&P Global Mobility reported that the average age of U.S. cars and light trucks reached 12.8 years in 2025. That is an average fleet age, not an average ownership period for one driver.

NHTSA also notes that a vehicle’s lifetime extends beyond the typical initial purchaser’s ownership. Drivers who keep a vehicle longer will generally experience more years of fuel costs, so ownership duration belongs in any personal cost comparison.

The same mileage can cost more with lower efficiency

Fuel economy determines how much gasoline a vehicle needs to cover the same distance. A car rated at 50 mpg uses fewer gallons than one rated at 34.9 mpg for identical annual driving.

That difference becomes especially important for commuters, families with long daily trips, and pickup owners who regularly drive heavy loads. Lower federal targets do not require every vehicle to be less efficient, but they reduce pressure on automakers to improve fleetwide efficiency.

Gas-powered trucks may get more room in automaker plans

Pickup trucks and large SUVs could be among the vehicles most affected by the change because their fuel economy is generally lower than that of smaller cars. Easier federal targets can give manufacturers more flexibility to keep gasoline engines and larger vehicles in their product plans.

For truck shoppers, that could mean more gasoline-powered choices. However, buyers still face the fuel cost of operating those vehicles, especially when gasoline prices remain high.

Hybrids and EVs face a different market environment

The rollback changes the regulatory pressure surrounding hybrids and electric vehicles, but it does not eliminate consumer demand for efficient cars. Automakers can still develop hybrids and EVs because of customer preferences, state policies, competition, and their own product plans.

Lower CAFE targets may reduce the need to add those technologies across a fleet. At the same time, shoppers who want lower fuel consumption can continue to compare hybrid, electric, and efficient gasoline models.

The rollback reverses a major fuel economy policy path

The new rule marks a major change from the standards finalized in 2024, which called for an average light-duty fuel economy of about 50.4 mpg by model year 2031. NHTSA now says the revised program corresponds to roughly 34.9 mpg.

The change follows broader Trump administration efforts to reduce federal rules affecting the auto industry. It also changes the incentives automakers face when deciding how quickly to improve fuel economy across their vehicle lineups.

Automakers gain flexibility, but buyers face a tradeoff

The rule creates a clear tradeoff for the auto market. Automakers are expected to face lower costs because they need less fuel-saving technology to meet federal targets.

Buyers could see some of those savings in vehicle prices, but they may also spend more on gasoline over time. The balance will differ by driver. Someone who drives 5,000 miles a year may see a smaller fuel impact than a commuter who drives nearly three times as far.

How oil prices shape American car-buying provides context, as fuel costs can affect whether shoppers choose gas cars, hybrids, EVs, or larger vehicles.

Fuel economy is becoming a bigger buying factor for drivers

Fuel economy matters more when gasoline prices rise because every extra mile per gallon can reduce the number of gallons a driver buys. A 2025 Consumer Reports survey, cited in the supplied analysis, found that majorities of both Democrats and Republicans supported continued improvements in fuel economy.

That finding shows efficiency can matter across political groups. For shoppers, the practical question is simple: compare the vehicle price with expected fuel use over the years you plan to keep the car.

California gas prices remain high despite global oil market fluctuations, underscoring how local taxes, refinery limits, and fuel rules can keep prices elevated even as oil markets shift.

Would you accept higher fuel costs if it meant having more choices of trucks, SUVs, and gas-powered cars?

Don’t forget to follow us for more exclusive content right here on MSN

If you liked this, you might also like:

• Drivers face $5.63 diesel as prices threaten to smash 2022 record
• Oil prices hit a six-week high after U.S. strikes on Iran, raising new concerns for American drivers
• Trump says Venezuela will lower gas prices, but drivers may wait years before the deal meaningfully boosts oil supply

This slideshow was made with AI assistance and human editing.