It is a grandfathering situation: The Golden State regulated car emissions long before the CAA went into effect. California's ...

Extending close to the length of a football field, U.K.-based Hybrid Air Vehicles ’ (HAV) Airlander 10—dubbed “The Flying Bum ...

A discussion of the Clean Air Act (CAA), its amendments, and significant caselaw pertaining to clean air regulation in the US ...

The move sets up another battle with Gov. Gavin Newsom, who has sparred with Trump in recent days over the president’s intervention in L.A. protests.