NHTSA aims for 43.5 mpg across new vehicles by 2032

I-5 traffic in SeattleThe National Highway Traffic Safety Administration (NHTSA) on Friday issued a proposal to update Corporate Average Fuel Economy (CAFE) standards for passenger cars and light-duty trucks, calling for a fleet average of 58 mpg, according to its methodology, by 2032—which will equate to a real-world fleet efficiency average of about 43.5 mpg...