Jet fuel is one of the most costly fuels and one flight uses a very large quality. This also depends on the duration as well as the plane category. The fuel runs with the help of a gas turbine engine. In 2011, the price of jet fuel is $2.10 for one gallon. This fuel is distributed into three main categories Jet A, Jet A-1 and Jet B. Jet B is a more successful option for flights in cold weathers and low temperatures.