Industries Cite ‘Major Questions’ In Brief Challenging EPA Truck Rule Waivers

A large coalition of industry groups is charging that EPA’s approval of Clean Air Act federal preemption waivers allowing California to enforce its zero-emission heavy truck standards and warranty rules violates the “major questions” doctrine in addition to other parts of the Constitution and the Clean Air Act (CAA). “[W]hether it concerns EPA’s own authority to mandate electrification under Section 202(a)” of the CAA, “or EPA’s power to authorize California to mandate electric vehicles as part of the State’s effort...