NCL Decries Trump Administration’s Proposed Rule to Weaken Fuel Economy Standards
December 2, 2025: Washington, DC – The Trump administration today released a proposed rule to weaken fuel economy standards for light-duty vehicles. The National Highway Traffic Safety Administration (NHTSA) estimates that the proposed standards would achieve a fleet average fuel economy of 34.5 miles per gallon by model year 2031, a dramatic decrease from the 50.4 miles per gallon that the Biden era standards were projected to achieve.







