Climate benefit of biofuels from corn residue: Researchers cast doubt
Monday, April 21, 2014 - 11:01
in Earth & Climate
Biofuels made from corn stover -- stalks, leaves and cobs that remain after harvest -- appear to emit more carbon dioxide over their life cycle than federal standards allow, according to new research. The findings cast doubt on whether corn residue can be used to meet federal mandates to ramp up ethanol production and reduce greenhouse gas emissions.