California State Motor Vehicle Pollution Control Standards; Advanced Clean Trucks; Zero Emission Airport Shuttle; Zero-Emission Power Train Certification; Request for Waiver of Preemption; Opportunity for Public Hearing and Public Comment

The California Air Resources Board (CARB) has notified the Environmental Protection Agency (EPA) that it has finalized three rulemaking actions—the Advanced Clean Trucks (ACT), Zero Emission Airport Shuttle Bus (ZEAS), and Zero Emission Powertrain (ZEP) Certification regulations. The regulations require manufacturers to produce and sell increasing numbers of zero-emission medium and heavy- duty vehicles, require certain fleets to acquire increasing numbers of zero emitting airport shuttles, and establish new certification requirements and optional emission standards for 2021 and subsequent model year zero-emission medium- and heavy-duty vehicles and the zero- emission powertrains installed on them. By letter dated December 20, 2021, CARB submitted a request that EPA grant waivers of preemption under the Clean Air Act (CAA) This notice announces that EPA has scheduled a public hearing concerning California’s request and that EPA is accepting written comment on the request.