Tire pollution threatens public health

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【Summary】EV tires wearing out quickly and emitting particulate pollution is a growing concern. The abrasion of the tires causes microscopic rubber particles to be released, which can end up in the air, water, and living beings. Scientists have linked a chemical used in tires to the premature deaths of salmon. This issue highlights the need for further research and solutions to mitigate the health risks associated with EV tire emissions.

FutureCar Staff Sep 01, 2023 6:19 AM PT

Buyers discussing Rivian's electric pickup and SUV on online forums often complain about the tires wearing out too quickly. One driver from Colorado loaded his truck with two motorcycles and embarked on a journey. After traveling approximately 6,000 miles, he noticed that almost a tenth of an inch of rubber had worn off his front tires. These tiny rubber particles now exist somewhere in the environment. Interestingly, other electric vehicle buyers are reporting similar experiences.

Although electric vehicles have successfully eliminated tailpipe emissions, they are contributing to another form of pollution that is causing concern among scientists and environmentalists. The significant weight of these vehicles is exacerbating the issue.

For a long time, it has been known that tires release pollution. As they move along the pavement, the friction causes rubber particles and other substances to separate. Over time, these particles, some of which are as small as human cells, end up in the air, water, and even living organisms. In Washington state, scientists discovered a connection between a chemical called 6PPD, which is used in all tires to prevent cracking, and the premature deaths of salmon. During rainstorms, the 6PPD washed off roads and into streams, where it was then ingested by the fish.