EPA Issues Waivers For CARB’s Offroad Fleet, Refrigeration Unit Rules

January 6, 2025
EPA is granting two requests for preemption waivers that will allow California air officials to enforce emissions standards for transport refrigeration units (TRUs) and offroad diesel fleets, leaving just three pending waiver requests for the Biden administration to address in its final weeks. Acting EPA Administrator Jane Nishida signed the latest approvals on Jan. 3 ahead of publication in the Federal Register . EPA is widely expected to approve a waiver for the California Air Resources Board’s (CARB) commercial harbor...


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