Opinion Summary: EPA v. Calumet Shreveport Refining, L.L.C. | Date Decided: 6/18/25 | Case No. 23–1229

Link to Docket: Here.

Question Presented:

Holding: EPA's denials of small refinery exemption petitions are locally or regionally applicable actions that fall within the "nationwide scope or effect" exception, requiring venue in the D.C. Circuit.

Result: Vacated and remanded.

Voting Breakdown: 7-2. Justice Thomas delivered the opinion of the Court, in which Justices Alito, Sotomayor, Kagan, Kavanaugh, Barrett and Jackson joined. Justice Gorsuch filed a dissenting opinion in which Chief Justice Roberts joined.

Link to Opinion: Here.

Oral Advocates:

• For petitioner: Malcolm L. Stewart, Deputy Solicitor General, Department of Justice, Washington, D. C.
• For respondents Growth Energy and Renewable Fuels Association in support of petitioner: Seth P. Waxman, Washington, D. C.
• For respondents Calumet Shreveport Refining, L.L.C., et al.: Michael R. Huston, Phoenix, Ariz.

Website Link to Oral Argument: Here.

Apple Podcast Link to Oral Argument: Here.

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