Electric cars struggle to spark enthusiasm

Commuter Cars' Tango electric car on show at the 2010 North American International Auto Show. Photograph: Mark Blinch/Reuters With a curiously squashed, elongated body, the Tango electrically-powered car is as narrow as a single passenger and as nippy as a motorbike. Billed as the world's fastest urban car, it can reach a speed of 130mph. Satisfied customers