9th Circ. Backs LA-Area Gas Appliance Nitrogen Oxide Ban

By Lauren Berg ( July 2, 2026, 11:32 PM EDT) -- The Ninth Circuit Thursday upheld a ban on the use of certain nitrogen oxide-emitting appliances in four Southern California counties, rejecting claims that the pollution control effort is preempted by federal law, as a dissenting judge contended this conclusion runs afoul of the court's own recent precedent....

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