YOKOHAMA, Japan — Nissan Motor Co took the wraps off its much-awaited electric car on Sunday, naming the hatchback ‘Leaf’ and taking a step toward its goal of leading the industry in the zero-emissions field. Japan’s No.3 automaker and its French partner, Renault SA, have been the most aggressive proponents of pure electric vehicles in the auto industry, announcing plans to mass-market the clean but expensive cars globally in 2012. Nissan will begin selling the first Leaf cars in the United States and Japan in the latter half of next year, adding two more models soon after. It expects production to start with around 200,000 units a year at the global roll-out in 2012. Twinning the car’s unveiling with the inauguration of Nissan’s new global headquarters in Yokohama, south of Tokyo, Chief Executive Carlos Ghosn drove up to a stage in a sky-blue Leaf prototype, carrying former Japanese Prime Minister Junichiro Koizumi and two other guests to greet a throng of journalists who made the trip from all over the world. ‘We celebrate today the start of a new chapter of our company’s life,’ Ghosn said. Nissan is returning to the port city of Yokohama, […]