A district court granted EPA's request for an extended deadline to respond to two petitions filed by an environmental group concerning the issuance of two CAA title V operating permits. EPA…

A district court granted summary judgment in EPA's favor against an engine maker for introducing on-highway engines into commerce without certification, in violation of the CAA. The Act…

A district court granted summary judgment in EPA's favor against an engine maker for introducing on-highway engines into commerce without certification, in violation of the CAA. The Act…

A district court held that an energy company violated the CAA when it undertook major modifications at its power plant without getting the proper permits and installing the best available…

The Sixth Circuit held that the CAA does not categorically prevent EPA from challenging preconstruction projections of whether and to what extent emissions will increase following new source…

The Ninth Circuit held that BLM violated NEPA when it approved a proposed molybdenum mining operation near Eureka, Nevada. Environmental groups filed suit against BLM, challenging the agency'…

The D.C. Circuit granted EPA's request to remand the NESHAPs for industrial, commercial, and institutional boilers to the Agency without vacatur so that it can conduct rulemaking to modify…

A district court dismissed a class action lawsuit against an automobile company for allegedly misleading consumers into purchasing certain diesel vehicles by misrepresenting their environmental…

A district court held that EPA, in connection with its enforcement and implementation of the CAA, failed to adequately evaluate potential job losses, particularly with respect to the coal industry…

A district court dismissed environmental and animal rights groups' lawsuit against EPA for failing to respond to a 2009 petition for rulemaking that asked the Agency to regulate concentrated…