[tschuy]

For at least one of the most toxic additives in tires, Washington State's Department of Ecology and some West Coast tribes are leading the push to prohibit, with the caveat that researchers are still looking for a suitable replacement:

https://ecology.wa.gov/blog/january-2023/saving-washington-s...

https://apnews.com/article/epa-tires-toxic-chemical-salmon-t...