supported by the National Natural Science Foundation of China(41275038);the Key Research Program of the Chinese Academy of Sciences(KJZD-EW-TZ-G06);the National High Technology Research and Development Program of China(2014AA06A508,2014AA06A511);the Scientific and Technological Project of Anhui Province(1301022083);the Special Project of Environmental Nonprofit Industry Research,China(201409006)
Control policies such as "odd-and-even license plate rule" were implemented by the Chinese government to restrict traffic and suspend factory production in Beijing and neighboring cities during the Asia-Pacific Econom...