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United States Department of Agriculture

Agricultural Research Service

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Image Number K8024-1

Chemical engineer Robert Dunn inspects chilled fuels that have been winterized for better engine start-ups in cold weather. The clear fuel on the right will ignite more effectively than the cloudy one.

Photo by Keith Weller.

640 pixels wide: (k8024-1.jpg)

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Last Modified: 3/14/2017
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