Futuristic concept cars, plug-in hybrids, zero-emission electric vehicles and even a hydrogen-powered scooter jostled for the limelight as the Tokyo Motor Show kicked off on Wednesday. From a super-skinny Nissan electric car that leans when going around bends, to a lightweight Toyota sports car and a Daihatsu vehicle with a design based on a basket, Japanese makers showed off their visions of the future.[imagebrowser id=9738]