There is a very aggressive long term plan by the Thai government to change all benzene, or regular gasoline, pumps into gasohol. At this time, however, gasohol pumps are hard to find outside of Bangkok and major cities. Bangchak and PTT are more likely to carry gasohol than other gas stations, but in smaller cities it’s hard to find even one pump with gasohol. Also, Gasohol 95 is relatively more common than Gasohol 91.