China mulls petrol car ban, boosting electric vehicles

China is gearing up to ban petrol and diesel cars, a move that would boost electric vehicles and shake up the auto industry in the world's biggest but pollution-plagued market.While the government did not give a date for the ban, the announcement drove up the shares of Chinese automakers, with domestic electric car leader BYD soaring by as much as 7.39 percent.Xin Guobin, vice minister of industry and information technology, told a weekend forum in the northern city of Tianjin that his ministry