More of the good bits... Better FE over ethanol-blends, less impact & cost overall. The prices below don't include refining/mixing/blending process costs, but as we know Ethanol manufacturing is incredibly taxing. Hah-hah-hah, see what I did there?
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Referring to Table 1, butanol contains approximately 86% of the energy of gasoline, while ethanol contains approximately 65%. The lower energy content reduces the acceleration and mileage from a gallon of fuel. Thus, butanol fares much better in energy content and is closer to gasoline in energy content. The differences in energy content would lead to different market prices for the fuels. For example, if the price of pure gasoline is $10.00 per liter, then butanol’s price should approximately be discounted to $8.60 per liter while ethanol should be approximately $6.50 per liter.
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