期刊
ENVIRONMENTAL SCIENCE & TECHNOLOGY
卷 36, 期 10, 页码 2122-2129出版社
AMER CHEMICAL SOC
DOI: 10.1021/es010963d
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Projected economic benefits of renewable energy derived from a native prairie grass, switchgrass, include nonmarket values that can reduce net fuel costs to near zero. At a farm gate price of $44.00/dry Mg, an agricultural sector model predicts higher profits for switchgrass than conventional crops on 16,9 million hectares (ha). Benefits would include an annual increase of $6 billion in net farm returns, a $1.86 billion reduction in government subsidies, and displacement of 44159 Tg/year (1 Tg = 10(12) g) of greenhouse gas emissions. Incorporating these values into the pricing structure for switchgrass bioenergy could accelerate commercialization and provide net benefits to the U.S. economy.
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