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

Legislation signed by President Trump impacting California’s clean truck rules immediately brought a lawsuit from the state.

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

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

California’s lawsuit over Congressional attempt to end the state’s ZEV waivers targets questions of the action’s legality.

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.

Clean air groups also offered their support for California’s lawsuit. The Environmental Defense Fund said: “We stand with California’s leaders in protecting the health and safety of millions ...

California officials on Thursday filed their 26th lawsuit against the Trump administration, after the president signed ...

The lawsuit seeks to preserve states' clean vehicle programs. A brief supports California's challenge of Trump's authority to ...

California is taking the Trump administration to court again, this time over the administration's blocking of the state's 2035 ban on the sale of new gas powered cars.