New research at PennStateUniversity suggests that corn stover — the stalks and leaves leftover after combining — can be used not only to produce ethanol, but also to directly generate electricity. The scientists successfully used a microbial fuel cell to convert the stover into electricity.

The U.S. produces about 250 million tons of stover annually, and 90 percent of it is left unused in fields. Therefore, if commercialized, this technology has ample fuel resources. The research was published in the July 2006 issue of Energy and Fuels. For more, go to: http://pubs.acs.org/cgi-bin/abstract.cgi/enfuem/2006/20/i04/abs/ef060033l.html.