Extremely poor air quality in major cities has spurred the Chinese government to adopt clean-air policies. Cars are a major source of air pollution. [1] http:/

Extremely poor air quality in major cities has spurred the Chinese government to adopt clean-air policies. Cars are a major source of air pollution. [1] http://www.irishtimes.com/opinion/china-s-climate-change-plan-represents-decisive-move-1.2297631 http://www.irishtimes.com/opinion/china-s-climate-change-pla...