( July 23, 2026, 4:10 PM EDT) -- SAN FRANCISCO — The Ninth Circuit U.S. Court of Appeals ruled in an unpublished opinion that two automotive industry trade groups and the American Free Enterprise Chamber of Commerce (AmFree) can intervene as a matter of right in a California lawsuit challenging federal resolutions that eliminated Clean Air Act (CAA) preemption waivers for new-motor-vehicle emissions, and reversed and remanded for reconsideration the denial of permissive intervention for several other agricultural and energy industry associations, in a California lawsuit challenging a series of federal resolutions that eliminated Clean Air Act (CAA) preemption waivers for regulating greenhouse gas emissions for new motor vehicles....