Traffic optimization: a new way for air pollution control in China's urban areas.

@article{Huan2012TrafficOA,
  title={Traffic optimization: a new way for air pollution control in China's urban areas.},
  author={Liu Huan and He Kebin},
  journal={Environmental science & technology},
  year={2012},
  volume={46 11},
  pages={5660-1}
}
1. VEHICLES HAVE BECOME THE MAJOR SOURCES OF EMISSIONS During “Eleventh Five-Year”, the total emissions of sulfur dioxide were reduced by 14.3%. On the contrary, however, nitrogen oxides (NOx) and volatile organic compounds (VOC) have been increasing. Ambient concentration of fine particulate matter (PM2.5) and ozone is still at a high level. In big cities, the photochemical smog pollution with vehicle emission pollution characteristics is worsening. In Beijing, Tianjin, the Yangtze River Delta… CONTINUE READING