Evaluating the impact of urban traffic investment on SO2 emissions in China cities

With the acceleration of China's urbanization, the transport sector appears one of the most important sources of SO2 emissions in Chinese cities. Compared to the fast-growing consumption of automobile, the growth rate of urban transportation investment is relative low. This study is designed to evaluate the impact of the urban transportation investment on SO2 emissions, using the data of capital cities of 30 provinces in China from 2002 to 2012....