PSD
PSD

The Environmental Protection Agency (EPA) has finalized a change to a long-standing policy interpreting “ambient air”—a foundational concept under the Clean Air Act that applies to all types of air…

Duke Energy has settled a 15-year-old lawsuit for allegedly violating the Clean Air Act when it made modifications at 13 coal-fired power units in North Carolina. The Environmental Protection Agency’s…

Interstate Power and Light (IPL) will be forced to spend $620 million to retire 10 coal-fired units and retire, refuel, or install pollution controls at several others in Iowa under…

An enforcement action filed in federal district court by the Department of Justice last week alleges Luminant Generating Co. made unauthorized changes to its Big Brown and Martin Lake coal-fired…