Brakes are iron and copper, the latter is an environmental contaminant. But tires pollute zinc and a hundred other petrochemicals. One is causing big problems with fish - 6PPD, but there are likely others causing yet unseen damage. Between the two brake dust seems more manageable in stormwater.
But they increase particulate tire dust due to being heavier.
Yes, but it seems from the study that the increase in tire dust is smaller than the refuction in brake dust
Brakes are iron and copper, the latter is an environmental contaminant. But tires pollute zinc and a hundred other petrochemicals. One is causing big problems with fish - 6PPD, but there are likely others causing yet unseen damage. Between the two brake dust seems more manageable in stormwater.