LPG, it is short for liquefied petroleum gas, is a mixture of propane and butane, usually with small amounts of propylene and butene. Ethylmercaptan, a strong odor, is often added so that leaks of LPG are easily detected.

LPG is one of petroleum products. It is a colorless and volatile gas produced from oil and gas fields exploitation, refineries and ethylene plants. It is mainly used in automobile, city gas, non-ferrous metal smelting and metal cutting and other industries.

LPG is stored in liquid form in tank containers under the right pressure and is often used as cooking fuel, which is the liquid gas we often use. LPG has been used as fuel for light vehicles for many years and can also be stored in tanks to fuel cars.