California Receives EPA Waivers on Heavy-Duty Vehicles and Emissions Standards
The EPA issued a decision on March 31, 2023, granting two requests for waivers of preemption regarding four California Air Resources Board (CARB) regulations related to California’s heavy-duty vehicle and engine emissions standards. California has significant air quality standard challenges. In order to reduce emissions, the state must seek waivers from the EPA for new […]