Per PTT-independent source Bangchak's pump prices on 12 Aug 2026: gasohol 95 at 36.84 baht/litre, gasohol 91 at 36.47, diesel B7 at 37.54, and diesel B20 at 32.54 baht, up 0.85 baht from the previous day. B20 is the cheaper diesel option at the pump. If your fleet or machinery runs on B7, compare the cost per km or per hour against B20 before refuelling, and reflect the daily movement in delivery and transport pricing.