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WHAT WE'RE READING

The morning read for Wednesday, April 23

Ellena Erskine's Headshot
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Sketch of the Supreme Court

The court this morning is considering Diamond Alternative Energy LLC v. EPA, a dispute brought by fuel producers over California’s waiver from federal preemption for vehicle-emission standards, typically requiring lower emissions in the state, under the Clean Air Act. The waiver was introduced, in part, in recognition of the fact that California was the only state that regulated emissions before the CAA’s enactment.

Each weekday, we select a short list of news articles and commentary related to the Supreme Court. Here’s the Wednesday morning read:

Recommended Citation: Ellena Erskine, The morning read for Wednesday, April 23, SCOTUSblog (Apr. 23, 2025, 11:32 AM), https://www.scotusblog.com/2025/04/the-morning-read-for-wednesday-april-23/