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Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

Green Car Congress

d) further provides for alcohol blends as follows: Special provisions for alcohol blends. (1) The maximum ethanol content of gasoline shall not exceed any applicable waiver conditions under section 211(f)(4) of the Clean Air Act. SAE paper # 2007-01-2648. As used in this section and Sec. 40 CFR ยง 80.27(d)