Ethanol is produced from grains and can be used as a renewable fuel oxygenate that provides air quality benefits like MTBE, but compared to MTBE or the toxic components of gasoline, poses very little threat to water quality.
(Ethanol; can be used; as a renewable fuel oxygenate) (a renewable fuel oxygenate; provides; air quality benefits like MTBE)
Ethanol a renewable fuel oxygenate
can be used provides
as a renewable fuel oxygenate
air quality benefits like MTBE