摘要
The Chinese government will reduce sulfur levels of lead-free gasoline to 150 parts per million (ppm) in the revised gas standard for the purpose to help improve air quality. The revised lead-free gas standard, to be announced by the end of this year, will drive gas with sulfur levels of 500 ppm out of market on Dec. 31, 2009, said Li Xinmin, deputy director of the pollution control department of the State Environmental Protection Administration (SEPA), at a recent symposium on automobile pollution control. The new standard would meet the Euro-Ill emission norm, which constrained sulfur levels to 150 ppm maximum.
The Chinese government will reduce sulfur levels of lead-free gasoline to 150 parts per million （ppm） in the revised gas standard for the purpose to help improve air quality. The revised lead-free gas standard, to be announced by the end of this year, will drive gas with sulfur levels of 500 ppm out of market on Dec. 31, 2009, said Li Xinmin, deputy director of the pollution control department of the State Environmental Protection Administration （SEPA）, at a recent symposium on automobile pollution control. The new standard would meet the Euro-Ⅲ emission norm, which constrained sulfur levels to 150 ppm maximum.
