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

Green Car Congress

Current Legal Requirement for Use of Anhydrous Ethanol in the United States. d) further provides for alcohol blends as follows: Special provisions for alcohol blends. (1) Until fairly recently, these US motor vehicles were non-FFVs. 40 CFR ยง 80.27 addresses controls and prohibitions on gasoline volatility.