Live data from Hacker News

Electric cars produce less brake dust pollution than combustion-engine cars

modernengineeringmarvels.com

61–70 of 783 posts

Re: Electric cars produce less brake dust pollution than combustion-engine cars

#61
post #4

An an EV owner, I can testify that the tyre wear more than makes up for the reduction in brake dust. I’ve had to change tyres every 10K miles.

How is tire wear related to the method of power? It could be a steam engine for all it mattered. Accelerating and decelerating, in regards to the tire, don't care what is causing the force.

Mass. Electric cars are much heavier. F=ma.

Re: Electric cars produce less brake dust pollution than combustion-engine cars

#62
post #49
post #17

Earlier quoted context omitted.

What are you doing to your tires that they only last 10k miles? I think that might be a driver error issue, because my EV (a heavier sedan) basically never needed tire replacement barring me running over a screw or something.

Just normal driving, it wasn’t quite so bad on our previous car which was a Nissan Leaf (with 30kWh battery) but our current Kia Niro just has a lot bigger batter (64kWh) and it is a lot heavier I suppose, the tyres just don’t seem to last as long. I’m pretty sure I’m using summer tyres all year round (I live in the UK) this was recommended by the dealer

[deleted]

Re: Electric cars produce less brake dust pollution than combustion-engine cars

#63

I pick up a bad screw every year from careless Ute drivers with leaky toolboxes and have to throw 1-2 tyres in the bin. Tyre wear isn't that important to me.

Almost entirely unrelated but this comment reminded me of the Mighty Car Mods youtube channel.

Re: Electric cars produce less brake dust pollution than combustion-engine cars

#64
post #16

We should obviously ban combustion engine cars, at least starting with cities. I can’t think of a single clearer win for air quality.

I’m against a ban. That sort of pollution is an externality and we could price it in.

Yeah, because that's worked so well in other sectors.

You know how Tesla makes a fuckton of money? Selling their carbon credits to industry so they can pollute. So all the pollution reduction caused by people driving Teslas enables industry to pollute instead of controlling their emissions, reducing energy waste, decarbonizing, etc.

Re: Electric cars produce less brake dust pollution than combustion-engine cars

#65
post #4

An an EV owner, I can testify that the tyre wear more than makes up for the reduction in brake dust. I’ve had to change tyres every 10K miles.

How is tire wear related to the method of power? It could be a steam engine for all it mattered. Accelerating and decelerating, in regards to the tire, don't care what is causing the force.

[deleted]

Re: Electric cars produce less brake dust pollution than combustion-engine cars

#66
post #4

An an EV owner, I can testify that the tyre wear more than makes up for the reduction in brake dust. I’ve had to change tyres every 10K miles.

That’s very likely due to the tyres having less tread depth - a common trick with EV tyres to reduce rolling resistance. Michelins are the main culprit.

Of course the tyre companies love that little trick as they can pretend they are being green while selling more tyres.

Always check how much tyre you’re buying

Re: Electric cars produce less brake dust pollution than combustion-engine cars

#67
post #4

An an EV owner, I can testify that the tyre wear more than makes up for the reduction in brake dust. I’ve had to change tyres every 10K miles.

How is tire wear related to the method of power? It could be a steam engine for all it mattered. Accelerating and decelerating, in regards to the tire, don't care what is causing the force.

If the steam engine were to stop faster then it would put more wear on the tires. Imagine if it were floating through space. You hit the brakes. Did it help?

The tires are doing the stopping. As you said the engine is the part that doesn't matter. But if it increases the stopping power, it's doing that by increasing the load on the tires.

Re: Electric cars produce less brake dust pollution than combustion-engine cars

#68
post #49
post #17

Earlier quoted context omitted.

What are you doing to your tires that they only last 10k miles? I think that might be a driver error issue, because my EV (a heavier sedan) basically never needed tire replacement barring me running over a screw or something.

Just normal driving, it wasn’t quite so bad on our previous car which was a Nissan Leaf (with 30kWh battery) but our current Kia Niro just has a lot bigger batter (64kWh) and it is a lot heavier I suppose, the tyres just don’t seem to last as long. I’m pretty sure I’m using summer tyres all year round (I live in the UK) this was recommended by the dealer

I have the Hyundai Kona, which I'm pretty sure is just their version of the Nero (same 64kWh battery at least). I'm on my original tires after 44k miles.

Re: Electric cars produce less brake dust pollution than combustion-engine cars

#69
post #4

An an EV owner, I can testify that the tyre wear more than makes up for the reduction in brake dust. I’ve had to change tyres every 10K miles.

I have a 2019 model 3. 200,000 miles. I'm about on my 3rd set of tires.

Re: Electric cars produce less brake dust pollution than combustion-engine cars

#70
post #4

An an EV owner, I can testify that the tyre wear more than makes up for the reduction in brake dust. I’ve had to change tyres every 10K miles.

How is tire wear related to the method of power? It could be a steam engine for all it mattered. Accelerating and decelerating, in regards to the tire, don't care what is causing the force.

To be fair EV's can have some very high initial torque delivery, and are heavy = tyre shredding beasts.

I know I know, people aren't supposed to be taking off from every light at full chat, but, given the capability some people can't help themselves.

Post reply on HN