Trump signed three measures revoking California's waivers for rules that clean up cars and trucks. California and 9 other ...

Attorneys general are suing to challenge Trump’s order halting leasing and permitting for wind energy projects.

Trump signed measures Thursday revoking waivers for the state's mandates that clean up car and truck exhaust and ramp up ...

A panel of two Trump judges and one Biden judge appeared skeptical of California's arguments to return control of the ...

A federal appeals court has begun hearing arguments in California's lawsuit against President Trump over deploying the ...

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.

As President Donald Trump signed a suite of congressional bills to block California’s electric vehicle mandate on Thursday, ...

In his second term, Trump has repeatedly attacked California’s ambitious auto emission rules, including the Advanced Clean Cars II regulation, which he has incorrectly described as an electric vehicle ...

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.

The state’s latest lawsuit charges the administration with illegally targeting its authority to set tougher vehicle-emission ...

A federal appeals court heard arguments Tuesday over Trump's calling up of the California National Guard in response to Los ...

California is taking the Trump administration to court again, this time over the administration's blocking of the state's ...