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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number D772-2

ARS is working on a variety of ways to improve the conversion of agricultural commodities like switchgrass (lower right) and barley to ethanol, a home-grown alternative to imported petroleum.


Photo by Peggy Greb.

640 pixels wide: (d772-2.jpg)

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Last Modified: 3/28/2007