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Pie chart and bar chart from Michael Pacheco, Director, National Bioenergy Center, NREL; Renewable Energy Trends 2004 data; Ethanol data from Energy Information Administration, August 2005. Split of biomass between thermal and heating uses is approximated as 25%. Subsidy data from http://www.dsireusa.org/, and from Lives Per Gallon, by Terry Tamminen, 2006.
Note: Total U.S. Energy Supply was 100 QBtu; Energy Information Administration, August 2005. |
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