EPA Grants Three California Clean Air Act Preemption Waiver Request

On April 6, 2023, the Environmental Protection Agency (EPA) granted three requests for waivers from California related to motor vehicle pollution control standards, including some for zero-emission vehicles. 88 Fed. Reg. 20,688 (Apr. 6, 2023). The three requests were published in the Federal Register on June 13, 2022:

• California State Motor Vehicle Pollution Control Standards; Heavy-Duty Vehicle and Engine Emission Warranty and Maintenance Provisions; Request for Waiver of Preemption; Opportunity for Public Hearing and Public Comment (June 13, 2022)
• California State Motor Vehicle Pollution Control Standards and Nonroad Engine Pollution Control Standards; The “Omnibus” Low NOX Regulation; Request for Waivers of Preemption; Opportunity for Public Hearing and Public Comment (June 13, 2022)
• 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 (June 13, 2022)