Jet fuel is a type of aviation fuel that is used to power jet engines in aircraft. It is a type of kerosene-based fuel that is specifically designed for use in aircraft engines. Jet fuel is typically divided into two main types: Jet A and Jet A-1. Jet A is primarily used in the United States and has a lower freeze point than Jet A-1, which is the more common type of jet fuel used around the world. Both types of jet fuel are similar in terms of chemical composition and are produced from crude oil through a refining process.