Environmental Protection Agency v. Calumet Shreveport Refining, LLC
U.S. Supreme Court · decided June 18, 2025 · Supreme Court Database (Spaeth)
- Decided
- June 18, 2025
- Term
- October Term 2024
- Vote
- 7–2
- Majority author
- Justice Thomas
- Issue area
- Judicial Power
- Disposition
- Vacated and remanded
- Outcome
- Petitioning party won
- Ideological direction
- Liberal
Opinion excerpt
PRELIMINARY PRINT Volume 605 U. S. Part 2 Pages 627–664 OFFICIAL REPORTS OF THE SUPREME COURT June 18, 2025 Page Proof Pending Publication REBECCA A. WOMELDORF reporter of decisions NOTICE: This preliminary print is subject to formal revision before the bound volume is published. Users are requested to notify the Reporter of Decisions, Supreme Court of the United States, Washington, D. C. 20543, pio@supremecourt.gov, of any typographical or other formal errors. OCTOBER TERM, 2024 627 Syllabus ENVIRONMENTAL PROTECTION AGENCY v. CALU- MET SHREVEPORT REFINING, L.L.C., et al. certiorari to the united states court of appeals for the fth circuit No. 23–1229. Argued March 25, 2025—Decided June 18, 2025 The Clean Air Act (CAA) establishes a comprehensive venue framework for judicial review of Environmental Protection Agency (EPA) actions designed to ensure proper distribution of cases among federal courts. Under 42 U. S. C. § 7607(b)(1), “nationally applicable” EPA actions must be challenged exclusively in the D. C. Circuit, while “locally or region- ally applicable” actions ordinarily belong in regional Circuits. How- ever, locally or regionally applicable actions that are “based on a deter- mination of nationwide scope or effect” must be reviewed in the D. C. Circuit if EPA fnds and publishes that such basis exists. This tripar- tite system refects congressional intent to channel…
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