A staff tests a charging unit at a new photovoltaic power station in Beijing, capital of China, Jan. 20, 2015. Beijing's first photovoltaic power station for electric vehicles has been launched recently in the city's central business district (CBD). In 2015, Beijing plans to add 100 more photovoltaic power stations with 3,500 charging units to cover the power needs of its electric vehicles. (Xinhua/Pan Xu) |
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