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Farmers in East Tennessee started planting fields of switchgrass this month, marking the first stage of a 70-million dollar state investment to make ethanol from native plant materials. The state will eventually process the grass in a refinery it’s going to build as part of the project. Even though the refinery won’t be up and running for a few more years, about 16 farmers are jumping at the chance to grow the low-maintenance perennial. WPLN’s Christine Buttorff reports.
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