According to the subsidy policy for new energy vehicles in 2019, pure electric vehicles with driving range less than 250km will no longer enjoy the national subsidy, and the subsidy for pure electric vehicles with driving range more than 400km will also be reduced to 25000 yuan. At a time when subsidies for new energy vehicles have declined significantly, many enterprises have made rational thinking about the driving range of pure electric vehicles. Recently, Xu Heyi, chairman of BAIC Motor Corporation, said public