In New York City, congestion pricing leads to marked drop in pollution

(e360.yale.edu)

472 points Brajeshwar | 1 comments | 10 Dec 25 15:25 UTC | HN request time: 0s | source

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lkbm ◴[10 Dec 25 15:34 UTC] No.46218856[source]▶

> Particulates issued from tailpipes can aggravate asthma and heart disease and increase the risk of lung cancer and heart attack. Globally, they are a leading risk factor for premature death.

Minor nitpick, but tailpipes aren't the primary source of emissions. The study is about PM2.5[0]. which will chiefly be tires and brake pads. Modern gasoline engines are relatively clean, outside of CO2, though diesel engines spit out a bunch of bad stuff.

[0] https://www.nature.com/articles/s44407-025-00037-2

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biophysboy ◴[10 Dec 25 15:44 UTC] No.46219022[source]▶

>>46218856 #

Is that true for slower moving vehicles? I can't imagine there's a lot of brake dust generated by stopping & starting in the 0-10 mph range.

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nabla9 ◴[10 Dec 25 16:06 UTC] No.46219404[source]▶

>>46219022 #

Tires and brakes. With EV's this gets relatively worse because they are heavier.

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1. jansper39 ◴[10 Dec 25 18:34 UTC] No.46221556{3}[source]▶

>>46219404 #

My Polestar 2 (shared design from Volvo's EVs) only uses brakes once it's hit its regen limit, this changes based on battery capacity and temperature but in the real world it means coming to a near complete stop from 50-60mph. The constant rust on the brakes are evident to that.

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