Unpacking California's 2024 Zero Emission Fleet Mandate
Propel: The road to zero emissions in Oxford, UK
President Trump took steps to dismantle California’s vehicle emissions standards on June 12, 2025, by signing three Congressional Review Act (“CRA”) resolutions revoking California’s waiver under the Clean Air Act. The waiver...more
A group of 24 Republican AGs submitted comments urging the EPA to deny California’s request for a preemption waiver for its Advanced Clean Fleets Regulation, which requires certain vehicle fleets to incorporate zero-emitting...more
Last week, Arizona Attorney General (AG) Kris Mayes filed a lawsuit against FCA (formerly Fiat Chrysler) and Cummins for alleged violations of the Arizona Consumer Fraud Act by falsely advertising that certain vehicles were...more
In Ohio et al. v. U.S. EPA, on April 9, 2024, the United States Court of Appeals for the D.C. Circuit upheld a decision by the U.S. Environmental Protection Agency ("EPA") to allow California's 2013 greenhouse gas emissions...more
The U.S. Environmental Protection Agency ("EPA") finalized the strictest-ever emission standards for heavy-duty vehicles. On March 29, 2024, EPA announced new emission standards for heavy-duty vehicles for model years 2027...more
Should state and local governments be concerned about California’s 2024 mandate to purchase zero emission fleet vehicles given that many of those vehicles do not yet exist? Procopio's John Lormon and Matt Abbot address...more
EPA, States, and the auto industry are again ratcheting up the battle over California’s authority to set vehicle GHG and Zero Emission Vehicles program. The Clean Air Act generally prohibits a state from adopting its own...more
The South Coast Air Quality Management District (“SCAQMD”) is pursuing a new rule to regulate distribution warehouses. The SCAQMD’s focus is not on emissions generated by the warehouses or their equipment. Rather, its focus...more
On June 26 and 29, 2020, the petitioners in Union of Concerned Scientists v. NHTSA, Case No. 19-1230 (D.C. Cir.), filed briefs with the U.S. Court of Appeals for the District of Columbia Circuit, arguing against the first...more
Multi-state coalition’s lawsuit challenges Trump EPA withdrawal of California Clean Air Act waiver. EPA formally announced its decision to withdraw California’s 2013 Clean Air Act waiver, which allowed the state to set its...more