At this time, practically all commercially out there various gas is made with waste fat, oils, and greases. Montana Renewables just lately acquired a $1.44 billion mortgage dedication from the US Division of Power to develop one facility for such manufacturing. Nonetheless, these supplies stay in restricted provide.
Corporations utilizing different applied sciences and inputs are making progress scaling up. LanzaJet opened the primary commercial-scale facility to make jet gas from ethanol in early 2024, with a capability of 9 million gallons yearly. Artificial fuels made with carbon dioxide might additional develop choices for airways, although these fuels aren’t being produced at industrial scale but.
One essential issue for various jet fuels shifting ahead will likely be price—on common, SAFs available on the market right this moment are typically practically 3 times costlier than typical jet gas. Having extra corporations producing extra gas ought to assist convey down the worth, although newer fuels may very well be much more expensive.