Gasoline is a fuel primarily used as a source of energy for internal combustion engines in automobiles, motorcycles, boats, and small aircraft. It is a complex mixture of hydrocarbons that are obtained from crude oil refining. Gasoline is typically composed of various types of hydrocarbons, including paraffins, olefins, naphthenes, and aromatics. The composition of gasoline can vary depending on the crude oil source and the refining process used, but it typically has a boiling range of 30°C to 200°C. Gasoline is an important fuel for transportation and is used in various sectors, including personal and commercial transportation, agriculture, and construction.