Japan's SIM-Drive's prototype SIM-LEI (Leading Efficiency In-Wheel-Motor) is an efficient electric four-wheeler that's capable of reaching more than 300 kilometers just on single charge, with a top speed of 150 kilometers/hour. SIM-LEI is an innovative project that was executed collaboratively by a group of companies, including Japanese motor giant Mitshubishi Motors and Isuzu Motors Limited.

SIM-LEI is studded with some stunning features that make it an ultra efficient urban vehicle. Its core features, such as in-wheel-motors and a component built-in frame, are meant for delivering a high-performance ride. The medium-sized and compact SIM-LEI is a four-seater sedan with a spacious interior. SIM-Drive is planning to start mass production of the electric car in 2013, with an aim to reduce harmful effects on the environment.