What happened: The California Air Resources Board on Friday removed an emergency item from the agency’s next meeting that ...

WASHINGTON (AP) — The Environmental Protection Agency on Wednesday granted two requests from California to enforce strict standards for vehicle emissions, including a rule aimed at banning sales of ...

California regulators are reconsidering the state’s 2035 deadline for phasing out new gas car sales, the state’s top air quality official confirmed Wednesday.

Livestock emissions, which are responsible for 71 percent of agriculture’s greenhouse gas emissions, peaked in 2012 and ...

Congressional Republicans successfully eliminated California's unique authority to impose stricter vehicle emission standards than federal requirements. The legislation affects twelve states that ...

The Republican-controlled U.S. Senate defied congressional norms and voted Thursday to revoke California’s progressive vehicle emission standards, including a rule that would’ve effectively banned the ...

The US Supreme Court will hear a clash involving California’s stringent vehicle pollution limits, agreeing to decide whether fuel producers have a legal right to sue over the regulations. The justices ...

California files a lawsuit against four major truckmakers over clean-truck rules, in a case that could define future emissions regulations.

SAN FRANCISCO (AP) – Seeking to influence other states and Washington, California air regulators passed sweeping auto emission standards Friday that include a mandate to have 1.4 million electric and ...