Photo taken on Aug. 25, 2015 shows electric buses ready to be put into use on a bus parking lot in Linfen City of North China's Shanxi Proince. A total of 32 electric buses were put into operation here on August 25. [Photo by Yan Ruipeng/Xinhua]

People get on an electric bus in Linfen City of North China's Shanxi Proince, Aug. 25, 2015. A total of 32 electric buses were put into operation here on that day. [Photo by Yan Ruipeng/Xinhua]