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'''Aviation fuels''' are [[petroleum]]-based [[fuel]]s, or petroleum and synthetic fuel blends, used to power [[aircraft]]. They have more stringent requirements than fuels used for ground use, such as [[heating]] and [[road transport]], and contain additives to enhance or maintain properties important to fuel performance or handling. They are [[kerosene]]-based ([[JP-8]] and [[Jet A-1]]) for gas turbine-powered aircraft. Piston-engined aircraft use [[leaded gasoline]] and those with diesel engines may use [[jet fuel]] (kerosene).<ref name=chevron>{{Cite web|url=https://www.skybrary.aero/bookshelf/books/2478.pdf|title = SKYbrary Aviation Safety}}</ref> By 2012 all aircraft operated by the [[United States Air Force|U.S. Air Force]] had been certified to use a 50-50 blend of kerosene and synthetic fuel derived from coal or natural gas as a way of stabilizing the cost of fuel.<ref>{{Cite web|url=https://www.airforcemag.com/article/0712fuel/|title=The Air Force's Fuel Problem}}</ref>
[[Specific energy]] (energy per unit mass) is an important criterion in selecting fuel for an aircraft. The much higher [[energy storage]] capability of hydrocarbon fuels compared to batteries has so far prevented [[electric aircraft]] using [[electric batteries]] as the main propulsion energy store becoming viable for even small personal aircraft.
As aviation moves into the renewables era, [[hydrogen-powered aircraft]] might enter common use.
==Types of aviation fuel==
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