Refined all-electric Joule debuts at the International Motor Show in Geneva: Joule, the revolutionary electric vehicle from South African company Optimal Energy, is on display at the 80th International Motor Show in Geneva in a form tantalisingly close to the planned production version. Designed by South African-born Keith Helfet, Joule has been developed from a static display model and engineering prototype into a pre-production prototype by Zagato's Total Design Centre, and Joule deservedly … [Read more...]