Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel
Green Car Congress
AUGUST 30, 2009
When the car is filled at the pump, an internal system analyses the mix of the two fuel types and adjusts accordingly. 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. Pursuant to 40 CFR § 80.27(a)(2):
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