Documents outlining the EPA's plan to roll back vehicle emission standards reference California by name 27 times.

California and environmental groups fiercely criticized the EPA's plans to undo the endangerment finding that enables greenhouse gas regulation.

Stringent tailpipe emissions and mileage rules were part of the Biden administration's pledge to clean up the nation’s vehicles and reduce use of fossil fuels by incentivizing growth in EVs. EVs do not use gasoline or emit greenhouse gases.