UT estimates a switchgrass yield of seven to 10 dry tonnes an acre is eventually possible, up from an initial one to two dry tonnes. It believes it can produce a theoretical ethanol yield of 1,000 gallons an acre.
Tennessee switches attention to a potentially lucrative new industry
The first cellulosic-ethanol demonstration-scale biorefinery in the US Southeast that will use corn cobs and switchgrass as feedstock is due to begin operation next month.
19 November 2009 23:00 GMT
Updated
25 November 2012 11:53 GMT
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