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Environmental Protection Agency v. EME Homer City Generation, L.P.
The U.S. Supreme Court reversed and remanded a lower court decision vacating EPA's transport rule, also known as the Cross-State Air Pollution Rule, which sets sulfur dioxide and nitrogen oxides emissions limits for 28 upwind states based on those states' contributions to downwind states' air qualit...
Natural Resources Defense Council v. Environmental Protection Agency
The D.C. Circuit vacated a portion of EPA's 2013 rule regulating air emissions from Portland cement kilns. The court concluded that the emission-related portions of the rule are permissible under the CAA. It also upheld the compliance schedule implementing some of the 2013 rule's emission standards....
White Stallion Energy Center, LLC v. Environmental Protection Agency
The D.C. Circuit upheld the emission standards EPA promulgated in 2012 for mercury and other listed hazardous air pollutants emitted by coal- and oil-fired electric utility steam generating units. The rule was challenged by industry, saying the rule was too stringent, as well as by environmental gro...