This subject area includes all types of biofuels (solid, liquid or gaseous) feasible to produce agricultural, forest or microalgal biomass. In particular, it is important to note:
- Gaseous biofuels: Biogas, biogenic methane, bio-hydrogen, synthesis gas
- Liquids biofuel: Bioethanol, butanol fuel, biodiesel, Fischer-Tropsch synthesis BTL, bio-oil, jet fuel, biohydrocarbons.
- Solid biofuels: Pellets and roasted pellets, other solid biofuels.