CARB Adjusts Vehicle Emissions Model To Assess EPA’s Waiver Revocation

California officials are adjusting their model for estimating vehicle greenhouse gas and other emissions to account for reductions they expect to be lost as a result of the Trump administration’s revocation of the state’s waiver to implement tougher GHG standards and zero-emission vehicle (ZEV) sales mandate, even as they await clarification from EPA on which model years are affected by the revocation. “As a result of the loss of the ZEV sales requirements, there may be fewer ZEVs sold and...