“Internal combustion engine vehicles also lose range in extreme cold weather,” points out Ed Kim, the chief analyst with the research group AutoPacific, who was not involved in AAA’s research. The Environmental Protection Agency has estimated a 10% to 30% drop in gas vehicle fuel economy in cold weather, depending on the type of trip. “This isn’t a problem that’s exclusive to EVs. This happens to basically any kind of vehicle when it gets really cold.”