Furfural, the pre-cursor to furfuryl alcohol (FA), is made from agricultural residues. The majority of furfural is made from corncobs. See "Corncobs=Rocket-Power!" (Furfural: Science Behind Rockets)
Furfuryl alcohol was one of components used in hypergolic propellants which are fuels that ignite spontaneously. They also ignite in the absence of oxygen (i.e. in space). These mixtures have been (and can be) used as hypergolic starter fluids to ignite liquid rocket fuels in space .. e.g. when flying to the Mars!
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