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According to the manufacturer, this is due to the cooling properties of ethanol. E85 has an octane rating higher than that of regular gasoline's typical rating of 87, or premium gasoline's 91-93. This allows it to be used in higher-compression engines, which tend to produce more power per unit of displacement than their gasoline counterparts.
Zimbabwe: 93 octane available with no other grades of fuels available, E10 which is an ethanol blend of fuel at 10% ethanol is available the octane rating however is still to be tested and confirmed but it is assumed that it is around 95 Octane.
All BP Stations offer 93 octane gasoline Kentucky: 87 [5] 89 93 Louisiana: 87 89 93 Maine: 87 89 91 without ethanol 93 with ethanol Premium gas must be at least 93 octane if it contains 10% or more of ethanol Maryland: 87 89 93 Massachusetts: 87 89 93 Michigan: 87 89 93 85 and 86 octane may be sold if labeled as subregular [6] Minnesota: 87 89 91
With the price of regular unleaded gasoline still in the $4-a-gallon range, the comparative price of premium is kind of a bargain at many stations. Really. When the price of regular surged this ...
High percentage ethanol mixtures are used in some racing engine applications as the very high octane rating of ethanol is compatible with very high compression ratios. Ethanol fuel mixtures have "E" numbers which describe the percentage of ethanol fuel in the mixture by volume, for example, E85 is 85% anhydrous ethanol and 15% gasoline. Low ...
However, since ethanol has a higher octane rating, the engine can be made more efficient by raising its compression ratio. [ 33 ] [ 34 ] For E10 (10% ethanol and 90% gasoline), the increase in fuel consumption in unmodified vehicles is small (up to 2.8%) when compared to conventional gasoline, [ 35 ] and even smaller (1–2%) when compared to ...
Based on EPA EPA-rated mileage for all 2006 E85 models, the average fuel economy for E85 vehicles was 25.56% lower than unleaded gasoline. [3] When making price comparisons it has to be considered that E85 has octane rating of about 104 and could be used as a substitute for premium gasoline.
In the aftermath of Hurricane Katrina in 2005, the price of E85 rose to nearly on par with the cost of 87 octane gasoline in many states in the United States, and was for a short time the only fuel available when gasoline was sold out, but within four weeks of Katrina, the price of E85 had fallen once more to a 20% to 35% lower cost than 87 ...