How much energy does it take to make 1 gallon of gasoline?

Discussion in 'Energy' started by uscitizen, Apr 20, 2011.

  1. uscitizen
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    uscitizen Senior Member

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    One must include drilling energy, pumping, and transport from foreign sources if we are going to compare it to ethanol production which is my intent.
    Refining energy must also be included. But not domestic transport since that is needed for ethanol as well.
     
  2. uscitizen
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    uscitizen Senior Member

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    And if we want to compare costs of gas vs ethanol there will be no comparison since we have spent trillions defending oil in the ME. Not counting hundreds of billions in other forms of govt subsidies to oil security/production.
     
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  3. Cuyo
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    Cuyo Training a Guineapig army

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    A lot more than it did when crude was seeping out of the ground in Pennsylvania. One day after all the low hanging fruit is plucked, it will exceed the energy you get from burning a gallon of gasoline, and that will herald the end of the oil age.
     
  4. uscitizen
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    uscitizen Senior Member

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    I am not so sure that the production does not already consume more than 100% of yield in producing gasoline.
     
  5. Ernie S.
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    Ernie S. Gold Member

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    Virtually all of the energy used to produce gasoline is supplied by fuel that is a byproduct of the refining process. Diesel fuel runs generators and pumps. According to Wiki, about 46% of a barrel of crude is sold as gasoline. Seeing that oil companies also sell diesel, heavy fuel oil, tar for road surfaces and oil for lubrication, as well as byproducts used to make plastics, it would seem to me that there must be more energy produced than consumed.
     
  6. uscitizen
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    uscitizen Senior Member

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    the refineries consume tremendous amounts of energy.
    the tankers burn large amounts of bunker oil/diesel.
    The drilling rigs take energy.

    Why is the amojunt of energy to make ethanol readially available and not easy to find for Gasoline?
    the liberal media?
     
  7. bripat9643
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    bripat9643 Gold Member

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    The energy consumed is 17% of the useable energy in the resulting fuel

    EIA Energy Kids - Oil (petroleum)

     
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  8. The Infidel
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    The Infidel EVIL CONSERVATIVE

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    Kind of like asking how much coal the Chevy volt will be burning to drive on the street :eek:
     
  9. uscitizen
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    uscitizen Senior Member

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    Ok that is in the refining process.
    How about the transport form overseas for that portion, the drilling, the pumping, etc.

    Just want ing to figure it the same way some do for ethanol production.
    domestic transport after refining shoudl not count as it is the same for all fuel products.
     
  10. chikenwing
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    chikenwing VIP Member

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    1.5 gal diesel to make 1 gal ethanol.

    And this is straight from Citgo corp.

    I installed all the electrical controls to blend ethanol at the loading rack,and had a long talk one day with Citgos head engineer while doing the job.
     

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