Supported by a hard push by the Chinese government to drive up electric car sales, annual EV sales are on track to hit a one-million-unit milestone this year, as demand continues to rise significantly. Chinese EV sales doubled in April, with the government-backed China Association of Automobile Manufacturers showing 81,904 sold that month, or an 11.5-percent increase compared with the same period last year. In total, that means China sold 1.9 million vehicles. China sold 225,310 EVs in the first four months of this year, for a whopping 149-percent…