(EnergyAsia, May 6 2010, Thursday) — Tesla Motors, the Silicon Valley, US-based maker of the world’s fastest highway-capable electric vehicle, said it has shipped a dozen Japan Signature Series Roadsters from Port Hueneme, California to select customers throughout Japan. The hand-built, carbon fiber electric Roadster accelerates from 0-100 km in 3.7 seconds. In January, Tesla…