Photo: #Switchgrass is a type of prairie grass found in Minnesota.
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Switchgrass is a type of prairie grass found in Minnesota. (MPR Photo/Mark Steil)

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New energy from old sources

The U.S. is looking for new energy from old sources. In the Midwest, two of the biggest energy kings are coal and corn. There are new challenges to those popular energy sources.

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New energy from old sources

Energy from our prairies

Broadcast: Midmorning, 12/11/2006, 9:06 a.m.

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A new study in the journal Nature suggests that prairie grass may be a more efficient and practical source for biofuel than soy or even corn.

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  • David Tilman: Director of Cedar Creek Natural History area and chair of the Ecology Department at the University of Minnesota.

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