A fuel for petrol engines, gasoline is classified by its octane rating, which indicates its resistance to “knocking” or “pinging” during combustion. Under state regulations, IRPC’s gasoline is divided into ULG91 lead-free gasoline, GSH95 and GSH91 gasohol, and gasohol base, the last of which is used to manufacture gasohol and E20.
Diesel is a fuel for high-speed diesel engines used in the industrial sector and vehicles, such as cars, trucks, fishing trawlers, passenger boats, and tractors. IRPC offers blends of 5-7% biodiesel as per government policy to promote the use of alternative energy and palm oil. Furthermore, as per government policy, B10 is the standard diesel in Thailand, while B7 and B20 are alternatives. IRPC began selling B20 by mid-2018; and B10 at the end of 2019.
A fraction of crude oil with a high boiling point, fuel oil is widely used in the industrial sector, transportation, and power generation.
A mixture of hydrocarbon gases, mainly propane and butane, LPG is commonly found in household kitchens and various other industries. It can also be used as a fuel or gasoline engines.