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OK, I'll need to see a source on increased pollution. I really doubt that a motorcycle is putting out more pollution than an average American-size vehicle. For example, my sport bike gets 59MPG, and I've owned multiple bikes that got >100mpg. Even without a catalytic converter, how is that more pollution than a single commuter driving in a truck or SUV getting 20MPG and likely shedding more road and tire particulate due to the increased weight.

Edit: although the noise thing is valid, I'm perpetually annoyed with the "loud pipes save lives" crowd, that's obnoxious.




For exhaust emissions, motorcycles are often dramatically worse than modern vehicles with catalytic converters.

https://gearjunkie.com/motors/motorcycle-vs-vehicle-emission...


Of note, that article was mostly highlighting older motorcycles as dramatically worse when comparing them to newer vehicles.

See this article to show how a modern motorcycle would be ~100x less polluting than the example vehicle given in the article referenced:

https://www.acem.eu/new-euro-5-environmental-standard-for-mo...


Does that include motorcycles that have illegal aftermarket exhaust systems with all emission controls removed in an effort to make them as loud as possible? This accounts for about 80% of them, so it's irrelevant how they function by design.




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