Another benefit of EVs - less brake dust pollution

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ABMax24 said:
I call total BS on that article. Unless you are burning donuts there is no way you are emitting 1000 times more emissions from the tires than the exhaust. They say 4.5 milligrams per km for exhaust emissions, 1000 times that would be 4.5 grams per km of tire wear. If i car had tires that weighed a total of 100 kg that would mean in 22,000 km the entirety of all 4 tires would be worn away. Not to mention the wearable part of the tire, the tread, makes up a fairly small portion of the mass of the tire, the carcass of the tire that doesn't wear makes up far more mass.
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Could it be an issue of how those emissions are measured and quantified? In other words, by weight versus by volume? Not a lot of weight in exhaust emission particulates.
 
Ashful said:
Could it be an issue of how those emissions are measured and quantified? In other words, by weight versus by volume? Not a lot of weight in exhaust emission particulates.
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Maybe, but I still find it very hard to believe that in 2020 if tires were so much worse than exhaust emissions that yahoo news is the first to report on it.
 
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