Tag: California waiver

California Pushing for Waivers on Heavy-Duty Truck Emissions

On August 2, 2022, California Attorney General (AG) Rob Bonta led a coalition of 17 AGs in urging the EPA to grant, in full, California’s preemption waiver applications for its heavy-duty truck standards. Under the Clean Air Act (CAA), California may request a waiver of preemption that allows California to enforce different emissions standards for […]

GHG, vehicle emissions

Dissecting the Revocation of California’s CAA Waiver

The National Highway Traffic Safety Administration’s (NHTSA) and the EPA’s proposed amendments (August 24, 2018, Federal Register (FR)) to regulations governing corporate average fuel economy (CAFE) standards (NHTSA) and greenhouse gas (GHG) emissions (EPA) for model years (MYs) 2021–2026 passenger cars and light trucks will likely face legal challenges should the agencies promulgate final rules […]