Sent mine.
This is madness! In addition to the affinity to water that Ethanol has, consider this: Gasoline is a saturated hydrocarbon, with a fixed amount of energy, in each gallon. Regular gasoline has an energy density of 44.8 MJ/kg or 125,000 BTU/Gal Ethanol has an energy density or 31.1 MJ/kg or 84,600 BTH/Gal energy density = amount of energy stored (available) in a given volume or given mass MJ = megajoule kg = kilogram Do the math Pure Ethanol consumption in an engine is approximately 51% higher than for gasoline since the energy per unit volume of ethanol is 34% lower than for gasoline. In a ‘pump gas’ mix of up to 10% Ethanol. The energy density is approximately 120,960 BTH/Gal, that’s 3% less energy than a gallon of non-entahnol gasoline, and you need 4% more to get the same amount of energy. The bottom line, you need to burn 4% more of a ‘pump gas’ mix of up to 10% Ethanol, to get the same amount of energy, or move your car or boat, the same distance, at the same speed. |
sent!
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Originally Posted by AppSysCons
(Post 2852834)
Sent mine.
This is madness! In addition to the affinity to water that Ethanol has, consider this: Gasoline is a saturated hydrocarbon, with a fixed amount of energy, in each gallon. Regular gasoline has an energy density of 44.8 MJ/kg or 125,000 BTU/Gal Ethanol has an energy density or 31.1 MJ/kg or 84,600 BTH/Gal energy density = amount of energy stored (available) in a given volume or given mass MJ = megajoule kg = kilogram Do the math Pure Ethanol consumption in an engine is approximately 51% higher than for gasoline since the energy per unit volume of ethanol is 34% lower than for gasoline. In a ‘pump gas’ mix of up to 10% Ethanol. The energy density is approximately 120,960 BTH/Gal, that’s 3% less energy than a gallon of non-entahnol gasoline, and you need 4% more to get the same amount of energy. The bottom line, you need to burn 4% more of a ‘pump gas’ mix of up to 10% Ethanol, to get the same amount of energy, or move your car or boat, the same distance, at the same speed. |
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