
PTT Oil and Retail Business (OR), which operates PTT Station, and Bangchak Corporation have lowered B20 diesel and E20 gasohol prices to 33.50 baht per litre in Bangkok from October 28, 2026, according to the retailers’ published price lists.
OR and Bangchak reduced B20 diesel by 3.69 baht per litre and E20 gasohol by 2.19 baht per litre. Other petrol, gasohol and diesel grades remain unchanged, with the listed Bangkok retail prices excluding local maintenance tax.
OR and Bangchak’s E20 gasohol price has fallen to 33.50 baht per litre, while gasohol 95 and 91 remain at 42.04 baht and 41.67 baht respectively. The following petrol and gasohol prices apply in Bangkok on October 28, excluding local maintenance tax.
B20 diesel now costs 33.50 baht per litre at both OR and Bangchak, while regular diesel remains at 43.54 baht. The following diesel prices apply in Bangkok on October 28, excluding local maintenance tax.