Trump administration rolls back Biden-era fuel economy standards
Regulators estimate the new rule will result in an average of 34.9 miles per gallon by model year 2031, down from an earlier projection of 50.4 mpg.
<p>Regulators estimate the new rule will result in an average of 34.9 miles per gallon by model year 2031, down from an earlier projection of 50.4 mpg.</p>