Law Commons^™

What A Difference A State Makes: California’S Authority To Regulate Motor Vehicle Emissions Under The Clean Air Act And The Future Of State Autonomy, Chiara Pappalardo

Michigan Journal of Environmental & Administrative Law

Air pollutants from motor vehicles constitute one of the leading sources of local and global air degradation with serious consequences for human health and the overall stability of Earth’s climate. Under the Clean Air Act (“CAA”), for over fifty years, the state of California has served as a national “laboratory” for the testing of technological solutions and regulatory approaches to improve air quality. On September 19, 2019, the Trump Administration revoked California’s authority to set more stringent pollution emission standards. The revocation of California’s authority frustrates ambitious initiatives undertaken in California and in other states to reduce local air pollution …

State Vehicle Electrification Mandates And Federal Preemption, Matthew N. Metz, Janelle London

Michigan Journal of Environmental & Administrative Law

By requiring that new vehicles sold after a certain date be electric, states can lower drivers’ vehicle operating costs, boost local employment, and lower electric rates. But there’s a widespread perception that states can’t take advantage of these opportunities because a state vehicle electrification mandate would be preempted by federal law.

Not so.

While the Federal Clean Air Act (CAA) prohibits state regulations “relating to” the control of emissions in motor vehicles, and the Federal Energy Policy and Conservation Act (EPCA) prohibits state regulations “related to” fuel economy standards, there is a strong rationale for federal courts to reject preemption …