Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel
Green Car Congress
AUGUST 30, 2009
Current Legal Requirement for Use of Anhydrous Ethanol in the United States. 80.27, “high ozone season” means the period from June 1 to September 15 of any calendar year and “regulatory control period” means the period from May 1 to September 15 of any calendar year. Until fairly recently, these US motor vehicles were non-FFVs.
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