Cases filed in the D.C. Circuit Courts
Cases 1 - 10 of 142
Independent Petroleum Association of America, et al v. EPA, et al
as 24-1103
Petitioner: Independent Petroleum Association of America, Arkansas Independent Producers and Royalty Owners, Domestic Energy Producers Alliance and others
Respondent: Environmental Protection Agency and Michael S. Regan, Administrator, United States Environmental Protection Agency
State of Texas v. EPA, et al
as 24-1100
Petitioner: State of Texas
Respondent: Environmental Protection Agency and Michael S. Regan, Administrator, United States Environmental Protection Agency
Michigan Oil and Gas Association, et al v. EPA, et al
as 24-1101
Petitioner: Michigan Oil and Gas Association and Miller Energy Company II, LLC
Respondent: Environmental Protection Agency and Michael S. Regan, Administrator, U.S. EPA,
SIERRA CLUB v. REGAN
as 1:2024cv01171
Plaintiff: SIERRA CLUB
Not Yet Classified: MICHAEL S. REGAN
Cause Of Action: 42 U.S.C. ยง 7604 Clear Air Act (Emission Standards)
Center for Biological Diversity, et al v. Michael Regan, et al
as 24-5101
Plaintiff: Center for Biological Diversity, Defenders of Wildlife, Sierra Club and others
Defendant: Michael S. Regan, in his official capacity as Administrator for the U.S. Environmental Protection Agency, Environmental Protection Agency, Radhika Fox, in her official capacity as Assistant Administrator for the Office of Water of the U.S. Environmental Protection Agency and others
Intervenor: Tarpon Blue Silver King I, LLC, doing business as Collier Enterprises, Ltd., State of Florida and Florida Department of Environmental Protection
Essential Minerals Association v. EPA, et al
as 24-1091
Petitioner: Essential Minerals Association
Respondent: Environmental Protection Agency and Michael S. Regan, Administrator, U.S. EPA
Commonwealth of Kentucky, et al v. EPA, et al
as 24-1087
Petitioner: Commonwealth of Kentucky, State of West Virginia, State of Alabama and others
Respondent: Environmental Protection Agency and Michael S. Regan, in his official capacity as Administrator of the U.S. Environmental Protection Agency
American Iron and Steel Institute, et al v. EPA, et al
as 24-1083
Petitioner: American Iron and Steel Institute, Steel Manufacturers Association and Specialty Steel Industry of North America
Respondent: Environmental Protection Agency and Michael S. Regan, Administrator, United States Environmental Protection Agency
Warren Petersen, et al v. EPA, et al
as 24-1073
Petitioner: Warren Petersen, President of the Arizona State Senate, Ben Toma, Speaker of the Arizona House of Representatives and Arizona Chamber of Commerce and Industry
Respondent: Environmental Protection Agency and Michael S. Regan, in his official capacity as Administrator of the United States Environmental Protection Agency
State of Oklahoma, et al v. EPA, et al
as 24-1059
Petitioner: State of Oklahoma, State of West Virginia, State of Arkansas and others
Respondent: Environmental Protection Agency and Michael S. Regan, Administrator, United States Environmental Protection Agency
Intervenor: State of California, State of Colorado, State of Connecticut and others

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