switching from vehicles powered by fossil fuels to plug - in vehicles would ease a phenomenon called urban heat islands . Electric vehicles emit only about a fifth of the energy of conventional vehicles . Team predicted what would happen in Beijing- and predicted a 1.7C drop .
Switching from vehicles powered by fossil fuels to plug-in equivalents would ease a phenomenon called urban heat islands . Electric vehicles emit only about a fifth of the heat of conventional cars . Team calculated what would happen in Beijing- and found a 1.7C drop .