U.S. DOE Ponders Hitting the Ethanol ‘Blend Wall’

摘要

On November 23, the U.S. Department of Energy (DOE)noted that ethanol blending in the U.S. has recently grownto the point where nearly every gallon of gasoline contains10% ethanol by volume (E10) – the legal maximum for gen-eral use in conventional gasoline-powered vehicles under thegasohol waiver issued in 1979 by the U.S. EnvironmentalProtection Agency (EPA).