Thread: "The North Pole Could be Ice Free this Summer" Revisted
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Old 09-24-2008, 12:28 PM
TopGunna TopGunna is offline
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Quote: Originally Posted by KittenKoder View Post
One thing that I find funny, whatever happened to CO? CO2 is a natural bi-product of breathing for most species, CO is the result of machines. Did that 'monster' just disappear?
As I understand it, CO results from partial combusition of carbon-based fuels, when limited amounts of oxygen are present. As the internal combustion engine has evolved, it has come to include catalytic converters that oxidize CO, converting it into CO2.

Car exhaust used to contain about 25% CO, but modern-day engines only contain trace amounts (less than .4%, though I'm not sure of the exact figure).
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