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I have read somewhere that about 50% of a vehicle emissions are from the tires and the breaks, so we're still far from 0 emissions even with an EV. In your sce
by jmnicolas 5y ago
I have read somewhere that about 50% of a vehicle emissions are from the tires and the breaks, so we're still far from 0 emissions even with an EV.
In your scenario the idiot that let his vehicle circle the block all day would still have to pay for breaks, tires and electricity. And judging by the inflation trajectory since last year, I'm not sure many of us will be able to afford this kind of waste in 2030.
But I don't think we will get level 5 autonomy by 2030 anyway (if ever).
- SECProto 5y agoA stat like that would be referring to particulate emissions, not CO2 emissions
- jmnicolas 5y agoI wasn't referring to CO2: breaks and tires emit particulates due to wear.
- SECProto 5y agoRight, but the article is about greenhouse gas emissions (CO2 and equiv), so I was offering clarity. Particulate emissions don't have global warming potential aren't terribly relevant in the context.
- snovv_crash 5y agoEVs have a fraction of the brake dust due to regenerative braking. Tyres clearly need work though.
- mnahkies 5y agoAs far as I understand it ~50% of emissions occur during manufacture. Unfortunately this won't be solved by EV
- SECProto 5y agoAddressing climate change is a wide problem, every branch needs to be addressed: - switching to EV will eliminate tailpipe emissions (up to 50% per your number, grid dependent) - greening the grid will reduce more (reduce per-km emissions, as well as reduce manufacturing emissions) - Hydrogen reduced steel will reduce remaining manufacturing emissions All of these combined have to happen to get to zero, not just one or the other.
- csunbird 5y agoI think, Tesla claims that the brakes will last lifetime for the vehicle, as the regenerative braking is very aggressive and regular brakes should not be used that much.