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Old 02-01-2020, 11:45 PM   #7 (permalink)
Vman455
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Quote:
Originally Posted by redpoint5 View Post
The main byproduct of combustion is water, though.
By number of molecules, but not by mass--one gallon of gas produces about 16 pounds of water but 20 pounds of carbon dioxide.

Quote:
Originally Posted by California98Civic View Post
I want my car to puff pure CO2 and O2 when it runs...
And N2, the other molecule emitted by catalytic converters.

CO is oxidized in the atmosphere, so the CO from a car's tailpipe eventually still becomes CO2. It just takes longer.
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