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|a (TOE)418434
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|a CONF-9508251--1
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|a ORNL/CP--95796
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|a DE97000768
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|a EB2413010
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| 099 |
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|a E 1.99:ORNL/CP--95796
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| 245 |
0 |
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|a Evaluating environmental consequences of producing herbaceous crops for bioenergy.
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| 260 |
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|a Oak Ridge, Tenn. :
|b Distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
|c 1995.
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| 300 |
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|a 17 pages
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| 336 |
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|a text
|b txt
|2 rdacontent
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| 337 |
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|a computer
|b c
|2 rdamedia
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| 338 |
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|a online resource
|b cr
|2 rdacarrier
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| 500 |
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|a Published through the Information Bridge: DOE Scientific and Technical Information.
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| 500 |
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|a 12/31/1995.
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| 500 |
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|a "CONF-9508251--1"
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| 500 |
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|a "ORNL/CP--95796"
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| 500 |
|
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|a " DE97000768"
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| 500 |
|
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|a " EB2413010"
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| 500 |
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|a Conference on environmental effects of biomass crop production, Oak Ridge, TN (United States), 9 Aug 1995.
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| 500 |
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|a McLaughlin, S.B..
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| 500 |
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|a Oak Ridge National Lab., TN (United States)
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| 500 |
|
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|a United States. Dept. of Energy. Assistant Secretary for Energy Efficiency and Renewable Energy, Washington, DC (United States)
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| 520 |
3 |
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|a The environmental costs and benefits of producing bioenergy crops can be measured both in kterms of the relative effects on soil, water, and wildlife habitat quality of replacing alternate cropping systems with the designated bioenergy system, and in terms of the quality and amount of energy that is produced per unit of energy expended. While many forms of herbaceous and woody energy crops will likely contribute to future biofuels systems, The Dept. of Energys̀ Biofuels Feedstock Development Program (BFDP), has chosen to focus its primary herbaceous crops research emphasis on a perennial grass species, switchgrass (Panicum virgatum), as a bioenergy candidate. This choice was based on its high yields, high nutrient use efficiency, and wide geographic distribution, and also on its poistive environmental attributes. The latter include its positive effects on soil quality and stabiity, its cover value for wildlife, and the lower inputs of enerty, water, and agrochemicals required per unit of energy produced. A comparison of the energy budgets for corn, which is the primary current source of bioethanol, and switchgrass reveals that the efficiency of energy production for a perennial grass system can exceed that for an energy intensive annual row crop by as much as 15 times. In additions reductions in CO{sub 2} emission, tied to the energetic efficiency of producing transportation fuels, are very efficient with grasses. Calculated carbon sequestration rates may exceed those of annual crops by as much as 20--30 times, due in part to carbon storage in the soil. These differences have major implications for both the rate and efficiency with which fossil energy sources can be replaced with cleaner burning biofuels.
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| 538 |
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|a Available via the World Wide Web.
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| 500 |
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|a DOE Technical report ; CONF-9508251--1
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| 500 |
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|a DOE Technical report ; ORNL/CP--95796
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| 500 |
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|a Electronic resource.
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| 650 |
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0 |
|a Grasses.
|0 http://id.loc.gov/authorities/subjects/sh85056515
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| 650 |
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4 |
|a Harvesting.
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| 650 |
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4 |
|a Biomass Plantations.
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| 650 |
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4 |
|a Environmental Impacts.
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| 650 |
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0 |
|a Corn.
|0 http://id.loc.gov/authorities/subjects/sh85032625
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| 650 |
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4 |
|a Renewable Energy Sources.
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| 650 |
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4 |
|a Carbon Dioxide.
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| 650 |
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4 |
|a Air Pollution Abatement.
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| 650 |
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4 |
|a Soil Chemistry.
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| 650 |
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4 |
|a Resource Conservation.
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| 650 |
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4 |
|a Energy Analysis.
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| 710 |
1 |
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|a United States.
|b Department of Energy.
|b Office of Scientific and Technical Information.
|0 http://id.loc.gov/authorities/names/n84003987
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|b Michigan State University
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