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Another way electric cars clean the air: study says brake dust reduced by 83%

electrek.co

141–150 of 188 posts

Re: Another way electric cars clean the air: study says brake dust reduced by 83%

#141

Earlier quoted context omitted.

I clean the air because my lungs capture car particles.

Technically we all disinfect the water through our kidneys too

Excluding those recently punched hard in the kidneys.

Re: Another way electric cars clean the air: study says brake dust reduced by 83%

#142
post #120

Earlier quoted context omitted.

> If you think all truck owners actually need one, count how many of the ones you see are carrying some load and do the math. Okay, let's do the math. Suppose you need a truck once a week and it costs $100 to rent one. To rent one would then be $400/mo, which you haven't got. You could buy both a truck and a car and only use the truck once a week, but between payment and insurance then that's again several hundred a…

You forgot cost of fuel(this alone likely offsets your imaginary rental cost), higher insurance rates for trucks(they kill people in routine accidents), cost of extra tires(trucks eat through tires), and higher cost of ownership in general. If you're using a truck as a work truck it'll also need to be replaced much quicker, adding to the overall cost. Trucks are expensive for the owner and society. Also, the majority…

Tall grille, heavy... they are more and more dangerous.

"only a quarter of truck owners use their trucks’ towing capacity more than once a year. Only about 30 percent of truck owners go off-road more than once a year. And 35 percent of truck owners basically never even put anything in their truck beds"

https://slate.com/business/2022/02/suvs-pickups-heavy-huge-d...

Re: Another way electric cars clean the air: study says brake dust reduced by 83%

#143

Earlier quoted context omitted.

You're supposed to do something about the traffic. Like build more housing so commutes are shorter distances.

More housing in _that_ model is more people with more cars on the road and needing parking spaces. The inevitable conclusion to such a model is cities like Houston, TX where everything is twice as far away because 50% of the city is just parking lot and another 25% just roads/intersections.

There was a comment on an anti-car HN thread a few weeks back suggesting city centres get larger, pushing housing further out.

Once cities are 100% road, cars can drive unimpeded.

Re: Another way electric cars clean the air: study says brake dust reduced by 83%

#144

Is there an explanation why BEVs fare better than hybrids in terms of brake dust? They use the same principle, so I expected similar performances. The article gives no clues, only these results: > It turns out that BEVs reduce the amount of brake dust by 83% [...] Other vehicles that use regenerative braking reduced brake emissions too, with Hybrids reducing them by 10-48%, and PHEVs by 66%.

Hybrids have a smaller battery, so C rate limits maximum regen. For example, a prius can regen at 2 kw, while a model 3 can regen at 76+ kw.

Re: Another way electric cars clean the air: study says brake dust reduced by 83%

#145
post #130

Earlier quoted context omitted.

Rubber particles from tires are one of the main sources of microplastics.

I think the point of the person you replied to is that this stuff is comparably unimportant. Micro plastics are as far as I know not even known to be particularly harmful. It's more of a "this is probably bad" type of thing. And I'm not really sure what we're supposed to do about it, we already have huge plastic islands floating around. On the other hand, carbon emissions are known to cause global warming which will…

However the 6PPD used in tyres appears to be very toxic to some marine life and the tyre pollution gets washed off from the roads into rivers etc. It's the toxicity that's the issue.

Poisoning the oceans does not seem like a good strategy for the human race.

https://en.wikipedia.org/wiki/6PPD

Re: Another way electric cars clean the air: study says brake dust reduced by 83%

#146
post #42

Earlier quoted context omitted.

Cars are a 20th century fix for the lack of easily available, comfortable, and fast public transportation. It's a shame the USA got stuck in the mid-20th century on that front.

I look forward to seeing public transportation that begins a few feet from my front door and arrives a few feet from my destination, without changing vehicles partway through, for arbitrary destinations.

It'd be well worth aiming to include some active travel (e.g. walking) in your daily schedule as otherwise you may think that you're saving time by parking so close, but you're really shortening your lifespan with an increased chance of sedentary diseases.

Re: Another way electric cars clean the air: study says brake dust reduced by 83%

#147
post #119
post #115

Earlier quoted context omitted.

> the roads are also being worn at a much faster rate due to the weight of the cars. Are they actually being worn out at a much faster rate because of more EVs? Do we have any data?

It is amazing how much concern trolling there is about EVs on a site like this.

Same thing happens with renewables. Every single article either positive or negative about solar or wind you'll inevitably see the "But the sun doesn't always shine! Nuclear is the only possible solution!" style comments.

Re: Another way electric cars clean the air: study says brake dust reduced by 83%

#148

Earlier quoted context omitted.

All else equal, the higher rate of BEV tire wear is primarily a function of their greater weight relative to comparable vehicles.

>>All else equal That's equivalent to those high school physics exercises that say "assume zero friction and no gravity". Everything else isn't equal with EVs because they make accelerating from standstill so effortless without any obvious downside that people do it back to back like it's nothing, while in an ICE you'd have to drive like a madman dumping the clutch every time just to get the same torque at the start.…

There are EVs that aren't overpowered luxury cars. They also burn through tires faster.

Also, if you compare two gasoline cars of different weights, the heavier one burns through tires quicker.

Re: Another way electric cars clean the air: study says brake dust reduced by 83%

#149

Earlier quoted context omitted.

>>All else equal That's equivalent to those high school physics exercises that say "assume zero friction and no gravity". Everything else isn't equal with EVs because they make accelerating from standstill so effortless without any obvious downside that people do it back to back like it's nothing, while in an ICE you'd have to drive like a madman dumping the clutch every time just to get the same torque at the start.…

There are EVs that aren't overpowered luxury cars. They also burn through tires faster. Also, if you compare two gasoline cars of different weights, the heavier one burns through tires quicker.

That's exactly what I'm saying though. I have an EV that's only 1000kg and 80bhp and it goes through tyres like butter.

Re: Another way electric cars clean the air: study says brake dust reduced by 83%

#150

Earlier quoted context omitted.

I look forward to seeing public transportation that begins a few feet from my front door and arrives a few feet from my destination, without changing vehicles partway through, for arbitrary destinations.

It'd be well worth aiming to include some active travel (e.g. walking) in your daily schedule as otherwise you may think that you're saving time by parking so close, but you're really shortening your lifespan with an increased chance of sedentary diseases.

Regular exercise is absolutely important. Mixing it with transportation is a recipe for arriving covered in sweat (and, often, rain).
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