Share on Facebook Tweet it Email For the fifth year in a row the winner of the International Engine + Powertrain of the Year award in its class is the powertrain of the BMW i8 (BMW i8 Roadster: fuel consumption combined 2.0 l/100 km [141.2 mpg imp]; electric power consumption combined 14.5 kWh/100 km; CO2 emissions combined 46 g/km; BMW […]