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Jet fuel is a mixture of a variety of hydrocarbons. Because the exact composition of jet fuel varies widely based on petroleum source, it is impossible to define jet fuel as a ratio of specific hydrocarbons. Jet fuel is therefore defined as a performance specification rather than a chemical compound. [1]
Jet fuel is a gas turbine fuel used in propeller and jet fixed-wing aircraft and helicopters. It has a low viscosity at low temperature, has limited ranges of density and calorific value , burns cleanly, and remains chemically stable when heated to high temperature.
As of 2023, fuel represents 20–30% of the airlines' operating costs, while SAF is 2–4 times more expensive than fossil jet fuel. [75] Projected cost decreases of green hydrogen and carbon capture could make synthetic fuels more affordable, and lower feedstock costs and higher conversion efficiencies would help FT and HEFA biofuels. [75]
However, SAF accounted for less than 0.1% of jet fuel used by major airlines last year. The U.S. has set aspirational goals to produce 3 billion gallons of SAF per year by 2030, with 100% of ...
SAF burns like normal jet fuel and produces the same amount of emissions while a plane is flying, but it has a lower carbon footprint during its entire production cycle, because it’s usually ...
While that might seem low, those accepted routes helped reduce Alaska Airlines' fuel consumption by more than 1.2 million gallons in 2023, according to the airline's annual sustainability report.
An aviation biofuel (also known as bio-jet fuel [1], sustainable aviation fuel (SAF) or bio-aviation fuel (BAF) [2]) is a biofuel used to power aircraft. The International Air Transport Association (IATA) considers it a key element in reducing the environmental impact of aviation . [ 3 ]
Through Air Company's partnerships with the Department of Defense, its product has already powered experimental jet flights and does not have to be mixed with traditional aviation fuel to be used ...