U.S. Court of Appeals for the Ninth Circuit

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Case Updates

Petition for rehearing en banc denied

August 24, 2020

U.S. Chamber files coalition amicus brief urging Ninth Circuit to grant en banc review of panel decision that failed to recognize the Clean Air Act grants the EPA exclusive regulatory and enforcement authority over model-wide emissions controls

August 10, 2020

Click here to view the amicus brief filed by the U.S. Chamber and Alliance of Automobile Manufacturers. Jonathan S. Martel and S. Zachary Fayne of Arnold & Porter Kaye Scholer LLP served as co-counsel for the amici.

Previously, the Chamber filed a coalition amicus brief on the merits.

Case Documents