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fafactoday at 4:36 AM1 replyview on HN

The tires and their dust don't care whether you're braking by regen or friction. The reason there's more dust is from the increased weight of the EV not because of regen braking. You can coast in EV as well, that is not exclusive to ICE.


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margalabargalatoday at 4:47 AM

> The tires and their dust don't care whether you're braking by regen or friction.

I'm aware. The point I'm making is that EVs apply more braking than ICE vehicles do, due to the specifics of the implementation of regen braking that all manufacturers have chosen.

> You can coast in EV as well

Not without literally putting it in neutral. If you just take your foot off the accelerator, any modern EV will apply some amount of regenerative braking. It's not really possible to hold the accelerator pedal at the exact position where you are not applying motor power but also have 0kW of regen braking, certainly for any extended period of time.

If your point is that someone could make an EV to which regen braking contributes no more to tire wear than an ICE vehicle, you're correct. Unfortunately, no such EVs are currently manufactured. Even the ones that allow you to "turn off" regen braking will generally apply 1-2kW of regen if your foot is off the accelerator.

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