You're ignoring brakes. And when you looked at the two together, brakes and tires, that alone is the largest source of micro plastic pollution. Review of Health Effects of Automotive Brake and Tyre Wear Particles - PMC share.google/Dt6cXQdx1LtO...
Review of Health Effects of Automotive Brake and Tyre Wear ParticlesNon-exhaust emissions from brakes and tyres are becoming the major transport-related contributor of particulate matter (PM) pollution in cities. Furthermore, tyre microplastics are the major contribut...share.google