Although plastic particles in the air are increasingly coming into focus, knowledge about their distribution and effects is still limited. Chemical analyses from Leipzig now provide details from Germany for the first time: Around 4% of the particulate matter consists of plastic. Around two-thirds of this comes from tire abrasion.
https://eur-lex.europa.eu/EN/legal-content/summary/vehicle-emissions-and-battery-durability-euro-7-technical-requirements-and-certification-rules.html
I wonder what those limits will be, how much big tire and big breaking will lobby. I’d like to also see sticker on tires (like the ones we have for energy) or at least clear data on datasheets.