cellulosic ethanol

(File: Grant Gerlock/Harvest Public Media)

U.S. energy policy that effectively promotes corn ethanol is holding back a generation of more environmentally sound fuels, according to a new report by the Environmental Working Group (EWG).

Grant Gerlock/Harvest Public Media

The federal government's complex set of rules meant to spur a renewable fuels industry has fallen behind one of its main goals: cut greenhouse emissions from gasoline.

More Money, Fewer Grasslands: Corn Ethanol's Impact on Rural America

Jun 2, 2015
Emily Guerin/Inside Energy

Ethanol is one of the most important industries in the Midwest, and it's an industry about to change. The U.S. EPA proposed new targets for the Renewable Fuel Standard, or RFS, which dictates the amount of ethanol the oil industry has to blend into our gasoline.

eXtension Farm Energy/Flickr

Biofuels made in the Midwest from corn stover -- the leftovers of harvested corn plants -- might be worse for global warming than gasoline in the short term.