Biomass fuel refers to anything that can either burn or decompose. Other terms are biomass energy or biofuel. The prefix "bio" refers to life.
Bioenergy technologies use renewable organic resources, called biomass, to produce many energy related products including electricity, liquid, solid and gaseous fuels, heat, chemicals and other materials.
Bioenergy ranks second - to hydropower - in renewable U.S. primary energy production and accounts for 3 percent of the primary energy production in the