How are biofuels made ?

Biofuels reffer to solid, liquid or gaseous fuels including fuel ethanol, biodiesel, aviation biofuels, etc. How are biofuels made ? I'd like to answer this questions respectively.
How are biofuels made ? Biodiesel.
Biodiesel is made from vegetable oils in general. Esterification and transesterification turns vegetable oil to biodiesel.
How are biofuels made ? Ethanoal.
Raw materials for fuel ethanol production include sugarcane, corn, dried potato, plant straw, agricultural waste, etc. Technology for fuel ethanol is enzymolysis approach or acid hydrolyzation in general.
How are biofuels made ?  aviation biofuel.
Aviation fuel is made from vegetable oils, animal fats or agricultural waste by hydrogenation or fischer technology.

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