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Thread: Gas mileage of ethanol-added gasoline?

  1. #11
    "Island Bartender" KG4CGC's Avatar
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    Quote Originally Posted by KB3LAZ View Post
    Speaking of gas, the gas here in Spain smells different. Almost like acetone. No clue why. Im not a chemist. I assume that smell is alcohol.
    Follow your nose. It is more likely a distillate of petroleum than it is alcohol. Then again, I don't know what they do over there. They could be adding a contaminant to the alcohol before it is mixed so people don't try to drink it.
    ??????????????????????

  2. #12
    "Island Vampire" KB3LAZ's Avatar
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    Quote Originally Posted by KG4CGC View Post
    Follow your nose. It is more likely a distillate of petroleum than it is alcohol. Then again, I don't know what they do over there. They could be adding a contaminant to the alcohol before it is mixed so people don't try to drink it.
    ??????????????????????
    No idea but the shit is rather powerful. It burns the hell out of my nose just to go the gas station. There are more than a few biodiesel stations here locally too. Its a shit ton cheaper too. 80 cents give or take per liter where as gas is 1.40€ per liter. Diesel is even more.

    "A night sky full of cries. Hearts filled with lies. The contract: is it worth the price?"

  3. #13
    Orca Whisperer PA5COR's Avatar
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    My van runs on Diesel, but also on sunflower oil, Older design 2.5 Turbo diesel with prechamber and plunger fuel pump LOL.
    Always funny in France to "tank" 5 or 6 5 liter bottles of sunflower oil, and top up with a gallon diesel...;) the looks on the faces of the french peeps are hilarious...
    "If the Republicans will stop telling lies about the Democrats, we will stop
    telling the truth about them." - Adlai Stevenson (1900-1965)
    “I’m not liberal/conservative, I’m anti-idiotarian.”
    At some point in the last 20 years, the left moved to the center, and the right moved into a mental institution

  4. #14
    "Island Bartender" KG4CGC's Avatar
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    Did Kawasaki ever put that diesel bike into full production?

  5. #15
    "Island Vampire" KB3LAZ's Avatar
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    Quote Originally Posted by KG4CGC View Post
    Did Kawasaki ever put that diesel bike into full production?
    Im not sure.

    "A night sky full of cries. Hearts filled with lies. The contract: is it worth the price?"

  6. #16
    Orca Whisperer N1LAF's Avatar
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    Gas mileage does increase with non-ethanol gasoline.

    Here is the crazy part, You have to consume more ethanol based gasoline than non-gasoline to go the same distance. Ethanol based gasoline produces more CO2 for the same distance as non-ethanol based gasoline. Ethanol based gasoline releases more CO2 to the environment than non-ethanol gasoline? Where are the AGW alarmists?

    ----
    burning ethanol actually produces 54% more CO2 as global warming pollutant than gasoline due to the fact that ethanol has lower fuel efficiency.
    http://www.intota.com/docs/ethanol-pollution.asp

  7. #17
    "Island Bartender" KG4CGC's Avatar
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    Quote Originally Posted by N1LAF View Post
    Gas mileage does increase with non-ethanol gasoline.

    Here is the crazy part, You have to consume more ethanol based gasoline than non-gasoline to go the same distance. Ethanol based gasoline produces more CO2 for the same distance as non-ethanol based gasoline. Ethanol based gasoline releases more CO2 to the environment than non-ethanol gasoline? Where are the AGW alarmists?

    ----
    burning ethanol actually produces 54% more CO2 as global warming pollutant than gasoline due to the fact that ethanol has lower fuel efficiency.
    http://www.intota.com/docs/ethanol-pollution.asp
    BUT, and this is a big but, the CO2 from the ethanol part is carbon neutral.

  8. #18
    Orca Whisperer N1LAF's Avatar
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    Quote Originally Posted by KG4CGC View Post
    BUT, and this is a big but, the CO2 from the ethanol part is carbon neutral.
    Octane (n-dodecane): C12H26 + 18.5 O2 → 12 CO2 + 13 H2O 18.5 x energy units

    Ethanol: 2 C6H12O6 + 12 O2 → 12 CO2 + 12 H2O 12.0 x energy units

    Because of the reduced mileage, you have to consume more fuel to go the same distance, which results in more CO2 release.

  9. #19
    "Island Bartender" KG4CGC's Avatar
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    Quote Originally Posted by N1LAF View Post
    Octane (n-dodecane): C12H26 + 18.5 O2 → 12 CO2 + 13 H2O 18.5 x energy units

    Ethanol: 2 C6H12O6 + 12 O2 → 12 CO2 + 12 H2O 12.0 x energy units

    Because of the reduced mileage, you have to consume more fuel to go the same distance, which results in more CO2 release.
    BUT the ethanol part is STILL carbon neutral.

  10. #20
    Orca Whisperer N1LAF's Avatar
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    Quote Originally Posted by KG4CGC View Post
    BUT the ethanol part is STILL carbon neutral.
    For example, to drive from point A to point B takes 18.5 energy units, creating 12 CO2 units, for non-ethanol gasoline

    For ethanol fuel, you need 18.5 energy units, so 18.5/12.5 = 1.48 * 12CO2 = 17.8 CO2 units released to go from point A to point B

    Ethanol fuel releases more CO2 than straight gasoline

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