Beijing to Tighten Vehicle Emission Standards

Zhang Lijun (2nd Right), Vice Minister of Environmental Protection, Cheng Lifeng (R), Director of Environmental Impact Assessment Department, and Zhao Hualin (2nd Left), Director of Pollution Prevention and Control Department, attend a press conference of the Fourth Session of the 11th National People's Congress (NPC) focusing on strenthening environmental protection in Beijing, capital of China, March 12, 2011. [Xinhua]