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For exhaust emissions, motorcycles are often dramatically worse than modern vehicles with catalytic converters. https://gearjunkie.com/motors/motorcycle-vs-veh

• digdugdirk 2y ago
  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-motorcycles-and-mopeds-to-enter-into-force-in-2020/ https://www.acem.eu/new-euro-5-environmental-standard-for-mo...
  • cuddlyogre 2y ago
    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.