Biomass

Biomass
  As defined by the Energy Security Act (PL 96-294) of 1980, "any organic matter which is available on a renewable basis, including agricultural crops and agricultural wastes and residues, wood and wood wastes and residues, animal wastes, municipal wastes, and aquatic plants."
  Plant materials and animal waste used as a source of fuel.
  ***
  Organic nonfossil material of biological origin constituting a renewable energy source.
  U.S. Dept. of Energy, Energy Information Administration's Energy Glossary
  ***
  Energy resources derived from organic matter. These include wood, agricultural waste and other living-cell material that can be burned to produce heat energy. They also include algae, sewage and other organic substances that may be used to make energy through chemical processes.
  California Energy Comission. Dictionary of Energy Terms

Energy terms . 2014.

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