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From: Werepoodle (sjfwclu-ext.gfo.seagate.com)
Subject:         Ok
Date: December 4, 2007 at 8:36 am PST

In Reply to: Re: The Great Ethanol Hoax posted by Jack in OH on December 3, 2007 at 6:43 pm:

Ethanol is made from corn. Corn is a plant. Plants use sunlight to make oxygen from CO2. This helps them grow. So as long as a plant is alive it is consuming CO2 and growing. The plant then has Carbon that was part of the CO2 before the oxygen was released. When we burn that carbon we get CO2. The CO2 is not a net increase in the atmosphere because the plant that made it grew recently.

Oil is made from plants that were alive a very long time ago. The CO2 that they used to grow was in the atmosphere at that time, but has not been for a while. The rise in CO2 in the atmosphere is due to that old carbon being burned and added to the air now.

Look at it from this point of view. Let's say that I create a machine that uses solar power to take CO2 out of the air and make carbon chains out of it. Then I take those carbon chains and burn them, which then turns those carbon chains into CO2 while producing heat. If I put both of these in the same room the CO2 levels in the room stay the same. If on the other hand, I kept them in separate rooms the CO2 in one room would go up while the CO2 in the other would go down. Oil is like separate rooms in that we add to the CO2 of the planet as it is today.

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Follow Ups:

  • P.S. by Werepoodle on 12/04/07 (2)
    • Re: P.S. by Jack in OH on 12/04/07 (1)
      • However by Werepoodle on 12/04/07 (0)

    


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