I found this interesting, about China's pollution and diesel fuel price controls.

http://www.nytimes.com/2007/12/08/world/asia/08trucks.html?_r=2&pagewanted=1&hp&oref=slogin

 "Oil industry experts suggest that China should raise diesel prices by at least 20 percent to eliminate subsidies and fuel lines and to foster refinery investment. Mr. Zhang, who pays the equivalent of $680 a month on his truck loan, vehemently opposes an increase in diesel prices; he is convinced that he would not be able to pass on the extra cost to the manufacturers who hire him. "