EU is introducing particulate regulation roughly now-ish (proposed 2022): https://single-market-economy.ec.europa.eu/sectors/automotive-industry/environmental-

EU is introducing particulate regulation roughly now-ish (proposed 2022): https://single-market-economy.ec.europa.eu/sectors/automotive-industry/environmental-protection/emissions-automotive-sector_en https://single-market-economy.ec.europa.eu/sectors/automotiv... > Euro 7 will also regulate emissions from tyres and brakes for the first time worldwide.