Bangchak's posted pump prices for 30 Sep 2026: B7 diesel 41.44 baht/litre, B20 36.44, premium diesel 50.05; gasohol 95 at 39.94, gasohol 91 at 39.57, E20 at 34.94, E85 at 30.88. Prices exclude the Bangkok local land tax and take effect tomorrow at 05:00, so tomorrow's price may differ. Check your own station before budgeting fuel for delivery vehicles or machinery, and note the B20 gap if your equipment can run on it.