EV (electric vehicle) News and Discussion

Forums › Transport (cars, bikes and boats) › EV (electric vehicle) News and Discussion

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#2391012 13-Jan-2020 14:04

What are the particular issues with their BMS? I have read of reducing battery life over time, much like our Leaf's!

My wife has a big dislike of SUVs, too, which won't help. Makes the Camry hybrid the front-runner at the moment, unless something better comes along, or until my investment strategy (aka Lotto) pays a return and lets me buy an iPace...

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#2391014 13-Jan-2020 14:06

Yeah it looks like it drops the SOH by 0.1(Ah) pretty much at ever charge regardless, and has no ability to be updated without physically replacing the BMS. And Mitsubishi support is terrible.

Seems worse with the new vehicles too (as tracked by phevwatchdog), my 2014 was ok but many others were not.

paulchinnz

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#2391092 13-Jan-2020 15:14

Based on https://www.rnz.co.nz/news/national/407212/new-zealand-is-one-of-the-best-countries-to-own-an-electric-vehicle-in-professor-says, perhaps the best message in terms of minimising carbon emissions is: minimise travel by car/plane, regardless of energy source.

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#2391093 13-Jan-2020 15:16

paulchinnz:

Based on https://www.rnz.co.nz/news/national/407212/new-zealand-is-one-of-the-best-countries-to-own-an-electric-vehicle-in-professor-says, perhaps the best message in terms of minimising carbon emissions is: minimise travel by car/plane, regardless of energy source.

My mains is from Ecotricity (100% renewable vs 85% or whatever). That doesnt mean there isnt some cost somewhere but its minimal.

edit - they also assume a full plane vs single occupancy large car too...??

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#2391136 13-Jan-2020 17:30

Does the co2 from petrol also include co2 produced refining the fuel ?

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#2391143 13-Jan-2020 17:51

afe66: Does the co2 from petrol also include co2 produced refining the fuel ?

That depends on whether the study you're reading is trying to make EVs look more polluting than ICE vehicles or not. Once classic trick is to include the emissions costs of producing a battery once and ignore the costs of producing fuel.

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MarkH67

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#2391332 13-Jan-2020 20:58

afe66: Does the co2 from petrol also include co2 produced refining the fuel ?

There is also a lot of transportation involved with petrol - from wells to refinery, from refinery to NZ, from NZ storage to local service stations.

With electricity they don't need to use delivery trucks!

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#2391333 13-Jan-2020 21:02

Something like one third of all shipping is shipping oil

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#2391734 14-Jan-2020 13:15

MarkH67:

With electricity they don't need to use delivery trucks!

Well, yeah, but the copper was smelted and brought to NZ by oil-burning ships. And trucks took all the powerpoles and put them into place. Not to mention the ongoing maintenance of the power distribution network.

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#2391735 14-Jan-2020 13:17

Shipping will be a challenge to make carbon neutral...

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#2391740 14-Jan-2020 13:21

frankv:

MarkH67:

With electricity they don't need to use delivery trucks!

Well, yeah, but the copper was smelted and brought to NZ by oil-burning ships. And trucks took all the powerpoles and put them into place. Not to mention the ongoing maintenance of the power distribution network.

Yes, but the point is that the oil comes to New Zealand on oil burning ships too, and whilst the lines have essentially an unlimited life once they are installed (easily 50 years+) the oil just keeps on coming and coming and coming. If it comes to that, I'd wager that the total tonnage of copper transmission lines all over NZ probably compares favourably with less than 10 supertankers full of oil.

There's no way we can live without some impact on the environment, but using electricity from renewable sources has the least impact.

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#2391784 14-Jan-2020 13:23

At some point (soon) the cost of solar locally (and plus storage) will be lower than the transmission costs and you can forget all those copper lines...

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#2391786 14-Jan-2020 13:27

RobDickinson:

Shipping will be a challenge to make carbon neutral...

I'm sure someone will figure it out. After all, intercontinental shipping was around for thousands of years prior to the invention of the combustion engine.

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#2391787 14-Jan-2020 13:27

RobDickinson:

jonathan18:

RobDickinson: I expect confirmation only after another successful election from Labour.

As for the 80k limit & tesla the sr+ qualifies as should the base model Y and cybertruck.

Unless prices change or our currency tanks

Yeah, I was thinking it would be in Tesla's best interest to ensure they have base models under the limit. It seems, though, that the cheapest 3 is currently $75,900 - if that's reflective of pricing when the Y finally gets here, isn't it likely the premium for that over the 3 mean that it will exceed that limit? I guess they could always introduce a slightly cut-down version to keep the price down. (And, if the differences are electronic, allow one to pay for the upgrade afterwards!)

Hmm there is no current SR+ model Y, the base spec is Long range RWD, I'm sure there was one at one point... That model certainly wont be under 80k.

Tesla have made concessions ot get models under caps before (in Canada) but didnt in UK or Australia

Elon (via Twitter) said that the Model Y will be 10% more in cost (at the current currency conversion time) compared to the Model 3 (also 10% less range because of the size increase).

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#2391814 14-Jan-2020 13:57

RobDickinson:

At some point (soon) the cost of solar locally (and plus storage) will be lower than the transmission costs and you can forget all those copper lines...

I think thats a long way off, a long way. My mate has 49k worth of it. I've watched the prices installed per kW, its come down but not by a lot.

If he took his opportunity cost at 5%, my annual power bill is still less, so its going backwards. My home is 283 sqm, 5BR, yet my power bill is less than his interest cost. Literally no recovery period. I have solar HW, thats another story that IS worth it. From memory his setup was 4.16kW added another 4.66kW, and a PW2. Admittedly I would use that better than him timeshifting wise, but its still many many, many years to recover it. For him NONE of it will ever get recovered

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