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United States Department of Agriculture

Agricultural Research Service

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Image Number D769-1

Biologist Karen Scott prepares a sample of trap grease for conversion to biodiesel. In the foreground are samples of distilled (left) and crude (center) biodiesel from trap grease.


Photo by Peggy Greb.

640 pixels wide: (d769-1.jpg)

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Last Modified: 6/27/2017
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