Sticky tires are dirtier than they look
California’s proposed tire rules are not as silly as they sound
California’s proposed replacement-tire rules are aimed at reducing rolling resistance, which is exactly the boring technical phrase that matters here. A tire that takes more energy to roll makes a gas car burn more fuel or an EV use more battery. Softer, stickier compounds can also wear faster, shedding more tire particles into the air, soil, and w…



