Does this apply to fixies then as well? I might reignite my use of one in a city vs traditional bike if so ...!
Fixed-gear bicycles, is apparently what a "fixie" is for anyone else wondering
Electric cars produce less brake dust pollution than combustion-engine cars
381–390 of 783 posts
Re: Electric cars produce less brake dust pollution than combustion-engine cars
#382continuation of EV propaganda, which are much heavier cars.
Curb weight of a Tesla Model (Long Range) is only 9% over a comparable BMW 3 Series. That's nothing compared to all the savings (tail pipes emissions, break dust, noise, ICE maintenance issues…). And we're just getting started with battery chemistries and renewables energy. This can only get better.
> Curb weight of a Tesla Model (Long Range) is only 9% over a comparable BMW 3 Series.
Which means 40% more road maintenance.
> And we're just getting started with battery chemistries and renewables energy. This can only get better.
Which implies it is better to delay switching until we have better batteries
Re: Electric cars produce less brake dust pollution than combustion-engine cars
#383Good to have more data points and evidence, but this seems extremely well established by now? Zero tailpipe emissions, drastically removed brake dust, slightly higher tire wear (due to weight), but much better overall than ICE.
I am just excited because the more EVs mean fewer idiots in hot rods running without mufflers.
"Artificial engine sounds" is the next step in that evolution pipeline. Or just blast advertisements.
Re: Electric cars produce less brake dust pollution than combustion-engine cars
#384EVs tend to be heavier that ICE vehicles, I’m skeptical of this conclusion. I’m not sure how you get more tire wear but less brake dust.
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Re: Electric cars produce less brake dust pollution than combustion-engine cars
#385I suppose the same should apply to hybrid cars, which outnumber pure EVs significantly [1]. The effect comes from converting the kinetic energy back to the battery charge via generation instead of wasting it via friction, which is the whole point of hybrids. [1]: https://www.consumeraffairs.com/automotive/how-many-electric...
On both my Volvo PHEVs I often look at the brake discs and find them rusty from the amount of regen braking. it almost completely eliminates conventional braking unless it's for collision avoidance.
Re: Electric cars produce less brake dust pollution than combustion-engine cars
#386In four years of plug-in hybrid ownership, and maybe 50k miles, I haven’t even had to replace pads, and the car wasn’t new when I bought it. I even commented on the longevity at the dealership the last time I took it for a service, and they said they see it a lot with hybrids. The regen braking really does make a huge difference.
Re: Electric cars produce less brake dust pollution than combustion-engine cars
#387EVs tend to be heavier that ICE vehicles, I’m skeptical of this conclusion. I’m not sure how you get more tire wear but less brake dust.
Regenerative braking (i.e. magnets), as mentioned in the top comments? I'm not sure I understand the question
Re: Electric cars produce less brake dust pollution than combustion-engine cars
#388the brake needs a brand new design for EV... as of now it's used so little I kind of fear when I need it it's not going to be performant. It's not simply not engineered for current EV use case where it's touched every once in a while, I think it can go weeks without being used. However manufacturers don't have any incentive to blend it with regen from time to time, as to get it up to temperature requires a LOT of bra…
That is actually one reason some companies are trying to move back to all drum brakes for EVs. The drum protects the brakes from water, rust, and debri fairly well and is far more reliable when not used as often. The only real obstacle is car companies having spent the last few decades focusing all their braking and traction control features on disc brakes so they need to be reimplemented for use in drums. And really most consumer vehicles never should have stopped using drum brakes, they are better for everything except high performance racing/heat dissipation, but disc brakes were used for sales/marketing because race cars use them, and most all the improvements for brake systems started with racing so were initially and primarily designed for use with discs.
Re: Electric cars produce less brake dust pollution than combustion-engine cars
#389Earlier quoted context omitted.
To some extent, but not really. Effectiveness of regenerative braking depends on having an extremely large battery that can sink enough current to stop the car. An EV can do that, hybrids at best help the brakes out some. You just can't charge the battery fast enough doing anything but a very slow rolling stop. My model Y can effect a very reasonable stop in traffic without touching the brake pedal except to hold the…
> Effectiveness of regenerative braking depends on having an extremely large battery that can sink enough current to stop the car. An EV can do that, hybrids at best help the brakes out some. You just can't charge the battery fast enough doing anything but a very slow rolling stop. This seems a bit exaggerated. Staying regenerative-only does require sticking to about half or so of how fast I could stop, but so far th…
It's just that Tesla didn't spend skill points on brake blending tech unlockable. Some people confuse it as being a piece of technology of its own.
Every other EVs and HVs assign first half of brake pedal for regen and bottom half for mechanical brakes. Tesla uses bottom half of gas pedal for the same, which eliminates the need to accurately determine the appropriate pedal force that corresponds to intended braking force to be added up with regen to match intended deceleration. Mapping regen to gas is `set_motor_torque(1.25 * gas_pedal - 25);` and that's much simpler.
Re: Electric cars produce less brake dust pollution than combustion-engine cars
#390An 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 was just reading an article where an electric car had the original brakes on it for 250k miles