The next automotive emissions frontier—is tires — via drivingdotca automotive
, 6PPD “is an antioxidant and antiozonant that helps prevent the degradation and cracking of rubber compounds caused by exposure to oxygen, ozone, and temperature fluctuation.” Pictures supplied by the U.S. Tire Manufacturers Association show thoroughly cracked and degraded rubber identical to that in tire formulations, save for the lack of 6PPD.
, died no matter how high the levels were. In other words, either the chum are the Keith Richards of salmon, or else the question of what is toxic to whom is a lot more complicated than the blanket statements Twitter uses in trying to compress complicated emissions issues into 128 characters.Article content
Treading Water: Tire Wear Particle Leachate Recreates an Urban Runoff Mortality Syndrome in Coho but Not Chum Salmon
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