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Operating permits,§§501-507

Environment Texas Citizens Lobby v. ExxonMobil Corp.

The Fifth Circuit vacated and remanded a lower court decision that imposed no penalties against an oil company for alleged CAA permit violations at its industrial complex in Baytown, Texas. An environmental group filed a CAA citizen...

Utility Air Regulatory Group v. Environmental Protection Agency

The U.S. Supreme Court held that EPA's regulation of greenhouse gas (GHG) emissions from new motor vehicles did not automatically trigger the CAA's permitting requirements for stationary sources that emit GHGs. The Court, therefore,...

National Environmental Development Ass'n's Clean Air Project v. Environmental Protection Agency,

The D.C. Circuit vacated an EPA memorandum directing regional air districts to apply different criteria when making source determinations in its Title V or new source review (NSR) permitting decisions for facilities located in areas...

Louisiana Department of Environmental Quality v. United States Environmental Protection Agency

The Fifth Circuit held that it lacked jurisdiction to review petitions challenging EPA's objection to three CAA Title V permits issued by the Louisiana Department of Environmental Quality for a proposed ironmaking facility. The state...

Alaska Wilderness League v. United States Environmental Protection Agency

The Ninth Circuit upheld the dismissal of an environmental group's challenge to a CAA permit that allows an oil company to conduct "pollutant emitting activities" associated with a drilling vessel in the Beaufort Sea off Alaska's North...

Wildearth Guardians v. United States Environmental Protection Agency

The Tenth Circuit affirmed an EPA order denying an environmental group's petition to object to a CAA Title V operating permit for a coal-fired power station in Colorado. In its petition for an objection, the group argued that the permit...

Summit Petroleum Corp. v. United States Environmental Protection Agency

The Sixth Circuit vacated EPA's determination that a natural gas operation's plant and production wells separately located within a 43-square-mile area constitute a single stationary source under the CAA Title V permitting program. EPA...