Bangchak's pump prices on 16 Aug 2026: diesel 37.54 baht/litre, B20 32.54 baht/litre (up 0.85 baht from the previous day), gasohol 95 at 36.84 baht and gasohol 91 at 36.47 baht. For fleets, delivery vans and any business running diesel equipment, fuel is a daily cost line that is rising, so re-check your fuel budget and freight quotes. Prices change daily, so compare against the latest board before filling up in bulk.