From Xinhua:
Beijing introduced new vehicle fuel standards on Tuesday, which represent another way to ensure the “green Olympics” that China has promised.
Under the new standard, gasoline and diesel sold at all outlets in the capital city must meet the new China IV standards, which are equivalent to the European Union’s Euro IV standards, according to Du Shaozhong, deputy director of the Beijing Environment Protection Bureau.
The China III standards, equivalent to their EU counterparts, have reduced sulphur dioxide emissions from automobiles by 2,480 tons annually since they took effect at the end of 2005, according to official statistics. [Full Text]