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MikeAqua
6063 posts

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  #1949126 31-Jan-2018 11:06
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Aredwood: Why the fuss about wireless charging? After 100+ years of ICE cars, you still have to manually refuel them.

Then there is the energy efficiency and safety concerns with wireless charging. Having 25KW or so traveling across an air gap. Imagine if the cat tries to run through it. It would get almost instantly fried to a crisp. What about if something metal ends up in the gap?

As for efficiency concerns, it would add at least 10% to the total power used by an EV. Now imagine that power is generated by fossil fuels. Which in most countries it will be. The extra inefficiency might be enough to make driving an ICE car better for the environment.

 

Refueling an ICE is fast - say three minutes, for ~500km of motoring.  ICEV charging is comparatively slow.  The idea behind wireless charging is little and often.

 

I don't understand the application of ICE wireless charging to private vehicles.  They generally stop for long enough to make plugging in worthwhile. 

 

But vehicles like buses that stop often at defined locations could benefit from wireless top ups.  Presumably via some sort of inductive power transfer.  I've read about IPT technology being developed for trains, to replace a live middle rail.





Mike


langi27
528 posts

Ultimate Geek


  #1949446 31-Jan-2018 15:58
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I see Volvo have announced they expect their 2019 EV car to hit 310 miles (498kms)

 

https://www.autocar.co.uk/car-news/new-cars/first-electric-volvo-be-all-new-hatchback-due-2019

 

To me that is the magic number, 500km on a single charge would account for 95% of my needs.  

 

Interesting comment about the pace of development.

 

Green said: “That’s the area [of range] we’re aiming at. We’re in the middle of development and we are constantly chasing new steps. It’s quite different to developing a car compared to five or 10 years ago. You set a prerequisite three or four years before a car’s launch and you ran towards that target, and if you did that well, you came out with a competitive offer.

 

“But in this case, it feels like every month we are updating the requirement, trying to add new competitive edges to the car because the technology is moving so fast now on a lot of areas, so it’s much more of a moving target.”


 
 
 
 


MikeAqua
6063 posts

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  #1949485 31-Jan-2018 16:27
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langi27:

 

I see Volvo have announced they expect their 2019 EV car to hit 310 miles (498kms)

 

https://www.autocar.co.uk/car-news/new-cars/first-electric-volvo-be-all-new-hatchback-due-2019

 

To me that is the magic number, 500km on a single charge would account for 95% of my needs.  

 

Interesting comment about the pace of development.

 

 

500km is workable (in the little car) for me too - assuming that's in real world conditions, not one of those cycle ratings (like fuel economy) that are rarely achieved in the real world.

 

Realistically I'm normally topping up around the 500km mark anyway on long trips.

 

Recharge time is a major consideration for me.  I have no desire to further lengthen a long journey with long stops.  I just want to get to "B"





Mike


wellygary
5008 posts

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  #1949488 31-Jan-2018 16:38
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langi27:

 

I see Volvo have announced they expect their 2019 EV car to hit 310 miles (498kms)

 

https://www.autocar.co.uk/car-news/new-cars/first-electric-volvo-be-all-new-hatchback-due-2019

 

To me that is the magic number, 500km on a single charge would account for 95% of my needs.  

 

 

Yeah but given its out of Europe i'm guessing that's NEDC,  So take it with a grain or two of  salt

 

VW claim the new e golf has an NEDC of 186 miles  but "in real life" they say its around 124 miles (a real life test in NZ got 220km out of it)

 

So your 310 miles, might actually only be ~ 200 when you actually drive it down the road

 

 


morrisk
217 posts

Master Geek

Lifetime subscriber

  #1949566 31-Jan-2018 18:52
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Real world current experience driving my Hyundai ioniq EV from Whakatane to Wellington this week. Left at 8am arriving Wellington at 4.14pm. 2 stops - Taupo for coffee and recharge (37 minutes) and Mangaweka lunch (31 minutes). Total cost of electricity at these 2 stops was $22.40. 

 

This trip was the same as I used to do in my ICE Volvo but much more enjoyable - air conditioning all the way, stereo great helped by the quiet ride - but best of all I made minimal (if any) contribution to global warming through emissions from the car.

 

I just want to get to 'B' and an EV is a great way to do it. Highly recommended.


kingdragonfly
5123 posts

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  #1950535 2-Feb-2018 09:30
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Posted by Geoff Dobson on January 31st, 2018

http://autotalk.co.nz/news/evs-contribute-predicted-road-funding-hole

"EVs may contribute to predicted road funding hole"

"A hole in funding for roads may develop as more electric and fuel-efficient vehicles arrive here.

The high uptake of technology, quickly increasing EV numbers and the improved fuel efficiency in petrol vehicles could lead to a funding gap, it has been reported.

Much of the government funding for roads comes from fuel taxes and charges paid by petrol and diesel vehicle owners.

While EVs are covered by road user charges (RUC), they won’t be contributing until after December 31, 2021, under current exemptions. Heavy EVs (electric trucks) start paying RUC when they reach 2% of the total fleet."

afe66
2465 posts

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  #1950571 2-Feb-2018 09:56
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Really...!?

The number of evs is tiny, when we get to 2%, just start road user charges like diesel cars end of drama.

If we are honest, the increasing fuel efficiency of the ten's of thousands of petrol cars, I'd argue has a much greater effect on fuel tax income...

Don't see AA arguing for a return to V8 Holden's and banning small hatch backs to increase petrol use and increase funding for roads.


 
 
 
 


wellygary
5008 posts

Uber Geek


  #1950576 2-Feb-2018 10:00
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afe66:
If we are honest, the increasing fuel efficiency of the ten's of thousands of petrol cars, I'd argue has a much greater effect on fuel tax income...

 

This,

 

The impact of increasing vehicle fuel efficiency on fuel tax has been on the radar or the Government for a long time,

 

as afe66 says, the solution is to move to a $/km charge like RUC as opposed to a $/litre charge

 

EVs are a drop in the bucket of this problem, but its not going away, and eventually the govt will have to change the way road taxes are calculated,


WyleECoyoteNZ
799 posts

Ultimate Geek


  #1950650 2-Feb-2018 11:42
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A review (UK) of the Next generation Nissan Leaf by Auto Express (rival to Autocar). A short video, just over 5 minutes long

 

https://www.youtube.com/watch?v=PLcL5SemC_M


WyleECoyoteNZ
799 posts

Ultimate Geek


  #1950654 2-Feb-2018 11:46
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Saw this a little while ago, but hadn't got around to posting it.

 

Long, but worth the read. First  (claimed) review of the Tesla Model 3, and it's not a press fleet car, but an actual owners car.

 

http://www.thedrive.com/new-cars/17280/tesla-model-3-the-first-serious-review

 

 


WyleECoyoteNZ
799 posts

Ultimate Geek


  #1950658 2-Feb-2018 11:51
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Just heard of this while listening to Mark Sainsbury and Myles Gazley on radio live

 

BMW to build 700km range EV to take on Tesla. Maybe called the...wait for it..... i5

 

https://www.businesslive.co.za/bd/life/motoring/2018-02-01-bmw-is-surging-ahead-with-overall-electrification/

 

 


kingdragonfly
5123 posts

Uber Geek


  #1951084 3-Feb-2018 13:05
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I thought I'd check out the used UK electric vehicle market.

I found an unusual caveat: Almost all Renault are less expensive, because most of the batteries are leased.

I assume this means it's illegal to export, since Renault would have a claim on the batteries.

https://www.autotrader.co.uk/car-search?sort=price-asc&radius=1500&postcode=w1s1dw&onesearchad=Used&onesearchad=Nearly%20New&onesearchad=New&year-from=2014&fuel-type=Electric&page=1

Still it might be a good place to buy a BMW I3 or Nissan Leaf

kingdragonfly
5123 posts

Uber Geek


  #1951173 3-Feb-2018 15:59
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I didn't realize the Nissan also lease some of their batteries in cars.

So if you're buying an overseas model from a private individual, it's worth asking.

https://pushevs.com/2016/10/14/nissan-flex-batteries-can-now-bought/

"Nissan Flex batteries can now be bought"

"It’s now possible to break free from Nissan’s battery lease scheme.

Miles Roberts from the speakev.com forum 'had a notification through from Nissan to say that customers are now able to buy themselves out of the battery rental on a Flex agreement, and terminate the lease agreement.'

To terminate the battery lease, customers need to go to a Nissan dealer and pay the battery’s remaining value to fully own it. It appears that Nissan considers that the battery lose 10 % of its value per year.

This is great news, it’s specially helpful for Flex Leaf’s owners that are having difficulties selling their cars because of the battery leasing.

Allowing Flex Leaf’s owners to buy the battery is another evidence that Nissan is abandoning the battery lease scheme. In Portugal and Spain, Nissan already completely removed the Flex option"

RUKI
1151 posts

Uber Geek


  #1951186 3-Feb-2018 17:20
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Folks who own EV, specifically Nissan Vans, you may wish to double check the cost of your annual registration. Recently the e-NV200 owner discovered that their EV was registered with ICE fees attached. Perhaps mistake was made because of the existence of NV200 gas version of the Van. 





Toyota / Lexus Hybrid and EV Battery Expert Battery Test & Repair 

 

 


old3eyes
8476 posts

Uber Geek

Subscriber

  #1951292 4-Feb-2018 08:35
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RUKI:

 

Folks who own EV, specifically Nissan Vans, you may wish to double check the cost of your annual registration. Recently the e-NV200 owner discovered that their EV was registered with ICE fees attached. Perhaps mistake was made because of the existence of NV200 gas version of the Van. 

 

 

What additional ICEV fees??





Regards,

Old3eyes


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