Car tailpipe pollution with skyline in background.

Fighting to make vehicles cleaner.

What you should know


Fuel economy and greenhouse gas emissions standards deliver the clean, fuel-efficient cars that we want and need. At the behest of Big Oil and automakers, Trump is threatening to roll back these safeguards. This would pollute our air, put lives at risk, and force consumers to spend billions more on gas each year. We're fighting to stop the rollback.