Nonprofits Appeal CAA Waiver Intervention Denial In 9th Circuit

( December 22, 2025, 11:53 AM EST) -- OAKLAND, Calif. —  Two nonprofit trade organizations that were among a number of similar groups denied intervention as defendants in a lawsuit filed by a group of states that follow California’s regulations for greenhouse gas (GHG) emissions for new motor vehicles challenging a series of recent resolutions that eliminated Clean Air Act (CAA) preemption waivers are appealing the California federal judge’s ruling to the Ninth Circuit U.S. Court of Appeals....

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