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. Toyota, which has said it aims to launch an electric car by 2012, took the wraps off a new version of its battery-powered electric concept car, the FT-EV II, as well as a Prius plug