The Clean Air Act (CAA) has been a cornerstone of public health protection in the United States for over half a century. Its stringent regulations on emissions from power plants have resulted in ...

EPA alleged that Ameren, the largest coal-fired power producer in Missouri, operated in violation of the CAA for years when it failed to install air emission controls at its Rush Island power ...

The federal government settled its final Clean Air Act (CAA) claim against Philadelphia Energy Solutions Refining and ...

California’s Air Resources Board (CARB) on Jan. 13 sent a letter to withdraw its request to the Environmental Protection Agency pursuant to ...