EPA Hearing Features Clash Over Waivers For California Truck Rules

An EPA public hearing on California’s request for preemption waivers for heavy truck rules limiting nitrogen oxides (NOx) and imposing sales requirements for zero-emission models is sparking a clash between industry and environmentalists over whether Clean Air Act lead time requirements bar the state from enforcing its programs. The EPA proceeding is also highlighting industry splits on the regulations, as truck makers and large fleets press EPA to reject the waiver request, while technology suppliers and others defend the NOx...