Bangchak pump prices on 28 Sep 2026: diesel B7 41.44 baht/litre, B20 36.44 baht, gasohol 95 39.94 baht, gasohol 91 39.57 baht, E20 34.94 baht. Prices exclude Bangkok's local land tax. The article says tomorrow's prices take effect at 05:00, so check your fleet and generator fuel budgets. Prices may differ at other stations, so confirm at your pump. If your vehicles run on B7, switching to B20 where engines allow is a clear saving of about 5 baht per litre.