CarBuzz reports, "...a study from a Harvard graduate named Lucas Woodley, published by The Harvard Gazette, may have shed light on the matter. His research suggests that BEV (Battery Electric Vehicle) owners would have to clock an average of 55,749 miles without a battery replacement to contribute to greener mobility.
"On average, Americans drive 14,000 miles per year. As such, it would take almost four years before BEV owners can make a noticeable carbon footprint decrease over driving an internal combustion engine-powered (ICE) car. It could take longer for drivers who own an EV as a second car."