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

(e360.yale.edu)
473 points Brajeshwar | 1 comments | 10 Dec 25 15:25 UTC | HN request time: 0.209s | 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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throwawaypath ◴[10 Dec 25 15:39 UTC] No.46218933[source]▶
How do EVs fare in this regard? Brakes are used significantly less, but the additional weight from the batteries chews through tires faster.
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jgeada ◴[10 Dec 25 15:43 UTC] No.46219005[source]▶
Why does everyone immediately pivot to EVs on this subject, instead of (looks around) gargantuan SUVs and trucks everywhere, due to peculiarities of US policies regulating SUVs more leniently than cars on fuel efficiency?
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unreal6[dead post] ◴[10 Dec 25 15:51 UTC] No.46219157[source]▶
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1. fullstop ◴[10 Dec 25 16:01 UTC] No.46219317[source]▶
Tires yes, brakes no. Friction brakes are barely used on EVs outside of specific scenarios. Mine will engage in three situations:

    1. The brake pedal is pressed hard
    2. The battery is 100% charged and the energy from braking can not be used
    3. I am backing up
For #3, the only reason why the brakes are used when backing up is to ensure that they are used even the tiniest amount and to clear any rust from the rotors.