Quote:
Originally Posted by Icedog_16
Perhaps I'm naive, but I thought that the 'alleged' demon of the internal-combustion engine was carbon dioxide. CO2 is a product of the catalytic converter, of which environmentalists were proponents; the aim was to do away with CO emissions. Irony is so ironic. Or is it?
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Carbon Dioxide, Carbon Monoxide, Hydrocarbons, Oxides of Nitrogen.....
C02 is probably the least harmful.
We could go into why each one is produced, (unburned fuel, evaporative gasoline vapors, high combustion chamber temps...) and what part of the car is to control each one (catalytic converter, EGR valve, Charcoal canister, etc....) but if you were interested you could also find out on your own, maybe howstuffworks.com.