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A driver gets his electric vehicle charged with the assistance of a technicist at the Changxing service area on Shanghai-Chongqing Express way in east China's Zhejiang Province, Dec. 1, 2017. (Xinhua/Xu Yu)
A driver gets his electric vehicle charged with the assistance of a technicist at the Changxing service area on Shanghai-Chongqing Express way in east China's Zhejiang Province, Dec. 1, 2017. (Xinhua/Xu Yu)