Judge Rejects Industry Claims Federal Laws Preempt L.A. Warehouse Rule

December 20, 2023
Setting a potential precedent, a federal judge is rejecting trucking and airline industry arguments that the Los Angeles region’s novel “indirect source rule” (ISR) to reduce pollution at warehouses is preempted by the Clean Air Act (CAA) and other federal laws, and is granting the regulators’ motion for summary judgment. The ruling is one of the first to provide legal support for California regulators’ growing focus on ISRs, which are now also targeting ports, railyards and other facilities, as they...


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