Biofuels“Unlike other renewable energy sources, biomass can be converted directly into liquid fuels, called “biofuels” to help meet transportation fuel needs. The two most common types of biofuels are ethanol and biodiesel.”
Biofuels
According to the National Renewable Energy Laboratory [NREL] (see
http://www.nrel.gov/learning/re_biofuels.html):
“Unlike other renewable energy sources, biomass can be converted
directly…