These projects focus on motor fuels in liquid or gas form that are obtained from biomass. Other terms used for biofuels include agrofuels, alternative fuels, ecofuels. The following fuels can be obtained from biomass: biogas, vegetable oil, biodiesel/rapeseed methyl ester (or RME), bio-ethanol, bio-methanol, and "sun fuels" (biomass-to-liquid, or BTL fuels).