Trump's MPG Rules May Cost Drivers More at the Gas Pump Than They Save on Car Prices

The Trump administration wants to lower the rules that say how fuel-efficient new cars must be. Officials say this change will make new cars cheaper to buy. But an analysis from the government's own safety agency found that most drivers would spend $1,624 more on gas over the life of a car bought under the new rules. That means drivers could end up paying more overall, not less.

The U.S. Department of Transportation announced on September 28 that it plans to lower the required fuel economy average for new cars. Right now, carmakers are supposed to reach a fleet average of more than 50 miles per gallon by 2031. The new plan would lower that target to just under 35 miles per gallon. That means new cars would use more gas to travel the same distance.

The Trump administration has nicknamed the plan 'Freedom Means Affordable Cars.' Officials say loosening the rules will save Americans $138 billion over five years and lower the average car price by about $1,300. U.S. Transportation Secretary Sean Duffy said the old rules forced carmakers to build more electric vehicles that many Americans did not want to buy. He credited President Trump with ending what he called an 'illegal mandate.'

However, critics say the savings on the car's price tag won't make up for higher gas bills. Gas prices were already high when the plan was announced — averaging $4.43 per gallon on September 30. That's up from $3.15 a gallon just one year earlier. Critics say it's a bad time to make cars less fuel efficient.

Kathy Harris of the Natural Resources Defense Council spoke out against the plan. 'With Americans struggling to afford gasoline that is more than $4 a gallon, the Trump administration is going to force them to pay more at the pump,' she said. She also argued that oil companies would benefit the most from weaker fuel economy rules. She said everyday drivers would be the ones handing over more money at the gas station.

The government's own highway safety agency, called NHTSA, did the math on what drivers would spend on gas. Under the current rules, a driver would spend about $15,333 on gas over the life of a car. Under the new, looser rules, that number jumps to $16,957. That's a difference of $1,624. NHTSA admitted in its report that lowering fuel efficiency standards means drivers will spend more on fuel, not less.

Katherine García of the Sierra Club also criticized the plan. 'Less fuel-efficient cars mean more gas burned, spending more at the pump, and dirtier air in our communities,' she said. Environmental groups worry the rollback will also increase pollution. They argue that cleaner, more efficient cars are better for both wallets and the environment.

Supporters of the plan say it gives carmakers more freedom to build the vehicles people actually want. The Alliance for Automotive Innovation, a group that speaks for most major car companies, called the new rules an 'appropriate course correction.' Its president, John Bozzella, said the old rules from the Biden administration were out of step with what car buyers wanted. He said the market was not ready for such a big push toward electric vehicles.

NHTSA Administrator Jonathan Morrison supported the lower mileage standards, too. He said newer cars are safer cars because they have better safety technology. His argument is that if cars cost less, more families can afford to buy newer models with more safety features. He believes that would lead to fewer crashes and fewer deaths on U.S. roads. The average price of a new car recently hit a record high of nearly $50,000, so even a $1,300 savings could matter to some buyers.

The debate comes down to a simple question: Would you rather save money when you buy a car, or save money every time you fill up the tank? For drivers who keep their cars for many years, fuel costs add up quickly. For families who are struggling to afford a new car at all, a lower price tag might matter more right now. Lawmakers, car companies, and everyday drivers will all be watching to see what happens next.