... the 'SunCar' from the Swiss Federal Institute of Technology Zurich (ETH) and the Interstate University of Applied Sciences Buchs (NTB). The electric runabout is based on a Lotus Evora whose interior has been completely redeveloped and converted by the students. It is powered by two electric motors, which are fed by a powerful battery. This is supported by photovoltaics on the outer skin of the body and a range extender (1-cylinder biofuel combustion engine). The sophisticated thermal management system cools all units. A specially developed heat pump with process reversal is used for this purpose. Just as sporty ...