Per Bangchak's reference prices for 8 August 2026: B20 diesel 31.69 baht/litre, B7 36.69, high diesel 36.69, gasohol 95 35.99, gasohol 91 35.62, E20 30.99. Diesel B20 is unchanged from the previous day. Prices exclude Bangkok's local land tax, and tomorrow's new prices take effect at 05:00. Check your station's price before budgeting fuel for delivery trucks or vehicles; if you run B7-fuelled machines, B20 is about 5 baht cheaper per litre.