Trump signed measures Thursday revoking waivers for the state's mandates that clean up car and truck exhaust and ramp up sales of electric vehicles. California and 10 other states immediately sued and the governor ordered the air board to craft a new mandate.

President Donald Trump signed a resolution on Thursday that blocks California’s first-in-the-nation rule banning the sale of new gas-powered cars by 2035.

In an action that has rekindled the national debate on environmental policy and states rights, President Donald Trump signed legislation on June 12, 2025, that in effect overturned California's ambitious plan to prohibit the sale of all new gasoline powered vehicles by year 2035.