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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. The result is more efficient combustion, cooler running engines, lower exhaust temperatures, and increased longevity of engine life. Until fairly recently, these US motor vehicles were non-FFVs. 40 CFR § 80.27 Pursuant to 40 CFR § 80.27(a)(2):