How high could fuel prices surge per liter without the Energy Fund's price support? Following Thailand's continued energy shortages, diesel prices are set to increase by 0.50 baht per liter tomorrow (18 Mar 2026), with the price ceiling adjusted up to 33 baht. However, without fund subsidies, prices could spike to as high as 50 baht per liter.
According to data on subsidies from the Oil Fund, the breakdown is as follows:
Oil Fund Sale Price (with Fund Subsidy) Sale Price (without Fund Subsidy)
Gasoline 95* +0.10 39.64–49.51 39.54–49.41
Gasohol 95 -9.73 31.05–32.35 40.78–42.08
Gasohol 91 -9.73 30.68–31.78 40.41–41.51
Gasohol 95 E20 -11.06 27.84–28.94 38.90–40.00
Gasohol 95 E85 -2.28 25.79 28.07
Diesel -20.36 29.94 50.30
Unit: Baht per liter
Data as of 17 March 2026
*Gasoline 95 uses revenue from gasoline taxes to subsidize the Energy Fund price support.
