• persolb@lemmy.ml
      link
      fedilink
      English
      arrow-up
      2
      ·
      1 year ago

      I think the issue might be visibility.

      Naively, it feels like most of the issue is from a small number of extra sooty vehicles. But that belief is probably just because of how visible it is. The brake/Tyree dust isn’t visible because it is more spread out.