NHTSAFinal Rule

Resetting the Corporate Average Fuel Economy Program

TransportationEnvironmentEnergy

Summary

This regulation changes the fuel economy standards that car manufacturers must meet, affecting how efficient new vehicles need to be and how much gas they use. The changes will impact what cars cost to buy, how much drivers spend on gas, and the amount of pollution from vehicles.

Key Points

  • 1The rule resets requirements for how fuel-efficient new cars and trucks must be, potentially making standards less strict than previously planned
  • 2Car manufacturers will need to meet new mileage targets, which could affect the prices of vehicles and the options available to consumers
  • 3Lower fuel economy requirements mean drivers may spend more money on gasoline over time, as their vehicles won't go as far on each gallon
  • 4The regulation impacts air quality and climate change, since less efficient vehicles produce more emissions
  • 5This rule affects major automakers and ultimately influences what vehicles are available and affordable for American car buyers

Key Dates

Published

June 11, 2025

This summary is for informational purposes only. It may not capture all nuances of the regulation. Always refer to the official text for authoritative information.

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