Diamond Alternative Energy, LLC v. EPA

Decided June 20, 2025. Brett M. Kavanaugh delivered the opinion of the Court.

Docket 24-7 · 606 U.S. 100 · Cited 15 times

The fuel producers have Article III standing to challenge EPA’s approval under the Clean Air Act of California regulations requiring automakers to manufacture more electric vehicles and fewer gasoline-powered vehicles.

The Court’s statement of the holding, from the opinion’s syllabus. The syllabus is prepared by the Reporter of Decisions and is not part of the opinion of the Court — read the official opinion for authority.

Read the official opinion (PDF, supremecourt.gov) (opens primary source in a new tab)

Brett M. Kavanaugh’s profile · All opinions since October Term 2017 · The Supreme Court

Source: Supreme Court of the United States, slip opinions (2025). Citation count from the Free Law Project’s CourtListener bulk data. Data last verified 2026-07-02. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).