The appealing idea is that native plants like switchgrass and agricultural leftovers like wheat straw and corn stover could be turned into ethanol.

FORBES: Field of Dreamers

The appealing idea is that plants native to the U.S., like switchgrass, and agricultural leftovers like wheat straw and corn stover could be turned into ethanol.

FORBES: Magazine Article

Eventually, says Gruber, his fermenting process will be adapted to use corn stalks or wheat straw--known as stover and now sold as cheap animal feed or plowed back into soil--to further knock down the cost.

FORBES: Magazine Article

Fossil fuels, similarly -- we are trying to target fossil fuels and design so that you get fossil -- biomass to replace fossil fuel, but biomass based on, for example, woody materials, based on agricultural waste like wheat straw, corn cobs -- agricultural waste, lumber waste residues -- that's very inexpensive feedstock.

WHITEHOUSE: Press Briefing