Comment on Mini imported Japanese vehicles may soon be banned on Massachusetts roadsparentComments−briHass2yFor exhaust emissions, motorcycles are often dramatically worse than modern vehicles with catalytic converters.https://gearjunkie.com/motors/motorcycle-vs-vehicle-emission...−digdugdirk2yOf 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...−cuddlyogre2yDoes 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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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.