California’s Advanced Clean Cars II regulations receive EPA approval

On December 17th, the Environmental Protection Agency granted a waiver to the California Air Resources Board (CARB) authorizing the enforcement of its Advanced Clean Cars II (ACC II) regulations. The controversial regulatory framework aims to phase out the sale of conventional internal combustion vehicles by 2035, and eleven other states have adopted California’s aggressive approach. The ACC II regulations build upon the original Advanced Clean Cars program, which was adopted in 2012 and is scheduled...