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> Claims that tyre/brake particles exceed exhaust emissions are inevitably referring to particulate mass, not particulate count Huh, all the studies I've read
by brownbat 7y ago
> Claims that tyre/brake particles exceed exhaust emissions are inevitably referring to particulate mass, not particulate count
Huh, all the studies I've read and linked are comparing like with like within particle size categories. Idling considerations are addressed in the modeling too.
You seem fairly unshakable here, but the topic seems well researched and the results are pretty unambiguous to me.
- Reason077 7y agoCategorising particles into PM2.5 and PM10 is far too narrow. This doesn't adequately account for, and perhaps doesn't even measure, nano-scale combustion products. The 2.5 in PM2.5 refers to micrometers (μm), not nanometers (nm). If you're only counting the largest particles, then yes, a lot of them are going to come from tyres. https://particleandfibretoxicology.biomedcentral.com/articles/10.1186/s12989-015-0107-3 https://particleandfibretoxicology.biomedcentral.com/article... https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6558960/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6558960/