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High-Grade Fuels from Biomass Farming: Potentials and Constraints
Paul B. Weisz and John F. Marshall
New Series, Vol. 206, No. 4414 (Oct. 5, 1979), pp. 24-29
Published by: American Association for the Advancement of Science
Stable URL: http://www.jstor.org/stable/1749185
Page Count: 6
You can always find the topics here!Topics: Energy crops, Fuels, Ethanol, Capital costs, Biofuels, Grains, Conversion costs, Production costs, Unit costs, Fuel consumption
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The key parameters controlling the productivity and the cost of net high-grade fuel from a system for biomass agriculture and conversion are analyzed. Performance depends sensitively on a "symbiotic" interaction between agronomy and technology. The conditions for obtaining net productivity and costs are explored for U.S. grain alcohol as a reference point. Currently practiced technology consumes more high-grade fuel than it generates. Some potentials and constraints for future systems, including use of other plant species and conversion systems, are explored.
Science © 1979 American Association for the Advancement of Science