Originally posted by CowboyFromHell
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But if you want to get into a mpg/hydrocarbon output vs. capacity, there are many 4 passenger cars that are 4 to 5 times heavier, yet get the same average mpg as a motorcycle and produce less pollution.
And no... catalytic converters on motorcycles are not as efficient as those found on a car, but they are better than no converter at all.
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