5:44 pm
Thu December 13, 2012

Cellulosic ethanol is coming, future uncertain

Corn stover, baled in the field after the grain has been harvested, provides feedstock for cellulosic ethanol.
Amy Mayer Harvest Public Media

About a decade ago, concerns about energy independence, greenhouse gas emissions and the need to boost rural economies led Congress to launch policies in support of biofuels  – corn ethanol, most notably. But the idea was that eventually more U.S.-produced fuel would be cellulosic – derived from corn residue, wheat straw or other biomass.

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