Trump rolls back fuel economy to 2014 levels

The Trump administration cuts fuel efficiency standards to 34.9 mpg by 2031, reversing years of progress and eliminating credits for electric vehicles.

Sep 28, 2026

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Trump rolls back fuel economy to 2014 levels

The Trump administration cuts fuel efficiency standards to 34.9 mpg by 2031, reversing years of progress and eliminating credits for electric vehicles.

In brief

The Trump administration cuts fuel efficiency standards to 34.9 mpg by 2031, reversing years of progress and eliminating credits for electric vehicles. The Trump administration has rolled back federal fuel economy standards to levels not seen since 2014, eliminating incentives for electric vehicles and making it…

New standard drops to thirty four point nine mpg

A car's gasoline filling port filled with dollar bills

The Department of Transportation released new Corporate Average Fuel Economy rules requiring just thirty four point nine miles per gallon by model year twenty thirty one, below even twenty twenty standards.

Duffy promised to kill Biden's efficiency rules

Transportation Secretary Sean Duffy announced last January that fuel efficiency standards from the Biden administration were dead. Those rules had required many more electric vehicles and plug-in hybrids.

Emissions credits eliminated, EVs lose advantage

The new rule ends emissions credits from model year twenty twenty eight onward. Plug-in vehicles will no longer count toward a manufacturer's fleet average, removing incentives to sell cleaner cars.

Obama's twenty twenty five target was fifty four mpg

Obama's twenty twenty five target was fifty four mpg

In twenty twelve, the Obama administration set a path to fifty four miles per gallon by twenty twenty five. The Trump administration cut that to forty point four mpg in twenty twenty, and now it falls to thirty four point nine.

Light truck loophole may finally tighten

The rule proposes flipping the vehicle mix from seventy percent light trucks and thirty percent cars to thirty percent light trucks and seventy percent cars by model year twenty thirty, if still in effect.

Gore warns of higher costs and lost competitiveness

Albert Gore, executive director of the Zero Emissions Transportation Association, said lowering standards when fuel prices are climbing will make things harder for struggling families and risks leaving American industry behind globally.

“Lowering these standards now, when so many families are already struggling with rising transportation costs, will only make things harder for them.”

In short

The Trump administration has rolled back federal fuel economy standards to levels not seen since 2014, eliminating incentives for electric vehicles and making it harder for families facing rising fuel costs.

Read the original on Ars Technica

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