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Thoughts about CO2, CATs, & gasoline fuel economy
If burning one gallon of gasoline produces 20 pounds of CO2 (is that true?), and if a car with a properly functioning CAT is modded to get 60 MPG instead of 30 MPG, hasn't it halved its total CO2 output?
AND
If gasoline catalytic converters produce CO2 from the CO and hydrocarbons in the exhaust, then isn't it possible that a 60 MPG car modded to run WITHOUT a CAT emits less CO2 than a 30 MPG car with a perfectly-operating CAT?
(Obviously, emitting poisonous gasses such as CO is not a good alternative to emitting CO2, but I am curious what you all think.)
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.
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