Per Bangchak's 9 Sep 2026 pump prices: B7 diesel 39.84 baht/litre, B20 34.84 (up 0.70), Gasohol 95 39.09 (up 0.80), Gasohol 91 38.72, E20 34.09, E85 30.03. Prices exclude the Bangkok local land tax and take effect at 05.00 the next day. For fleets, delivery vehicles and kitchen-heavy businesses, fuel cost is rising; check your pump price and budget or reprice delivery fees accordingly. Figures are for reference, so confirm at your station.