February 2, 2016, 8am PST
A former EPA official makes the case in a New York Times op-ed that the ethanol mandate, a major issue in Monday's presidential caucus in Iowa, the nation's top corn producer, is implemented so poorly that it is not benefiting the environment.
The New York Times - The Opinion Pages
February 16, 2009, 5am PST
Cellulosic ethanol - biofuel produced from non-edible plant material - has been 'five years out' for a long time. Obstacles remain to mass production, but a handful of producers are up and running.
The Christian Science Monitor