Manufacture of liquid biofuels

This class includes:

• manufacture of biodiesel
• manufacture of ethanol from biomass
• manufacture of mixtures of bioethanol and ethers partially derived from biomass
• manufacture of liquid biofuels even if processes use waste as an input

This class excludes:

• manufacture of solid fuels from vegetable biomass, see 16.26
• manufacture of ethyl alcohol other than for bioethanol biofuels, see 20.14
• manufacture of explosives, see 20.59