Beijing tightens rules on petrol to save environment

In preparation for cleaner air at the 2008 Olympics, Bejing, China is imposing strict regulations on the emissions levels of gasoline and diesel sold in the city. All gas must meet the Euro 2 emissions standard so the city can support an ever increasing number of cars without much increase in enviromental damange. http://straitstimes.asia1.com.sg/asia/story/0,4386,274814,00.html