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 ...