Biomass

=Biomass:=

http://www.energy.gov/energysources/bioenergy.htm
 * __Posted by:__Sarah on 2-5-08**
 * made from plants and plant based materials
 * three percent of primary energy production in US

http://www.eia.doe.gov/kids/energyfacts/sources/renewable/biomass.html
 * __Posted by:__Sarah on 2-5-08**
 * renewable energy source
 * can be burned to release energy
 * most common form is wood
 * some other sources include garbage, biogas, landfill gas
 * biofuels include ethanol and biodiesel
 * pollutes air when burned, but not as much as fossil fuels
 * when burned, releases carbon dioxide
 * when grown a similar amount of carbon dioxide is used for photosynthesis
 * does not produce sulfur when burned