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A comment on What Needs to Happen Before Electric Cars Take Over the World. Parent comment

Re:What Needs to Happen Before Electric Cars Take Over the W... by michaelt on Tuesday December 19, 2017 @08:06AM (#15959886) 

  unless you can get all car manufacturers to agree
  to a universal standard for batteries
And unless batteries get so good that the battery in that £19,000 Renault Zoe has identical performance to the battery in that £90,000 Tesla Model X, they never will :)
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Re:What Needs to Happen Before Electric Cars Take Over the W... by dagw on Tuesday December 19, 2017 @09:37AM (#15960465)
Or for that matter people accepting having their brand new Tesla X battery replaced with a 5 year old Tesla X battery.

I suppose one solution would be that cars have two batteries. One battery that is specific to the make/model of the car and one battery that is easily replaceable. So perhaps the cheap Renault basically only has the replaceable battery while the Tesla X has 70% of its battery capacity in it's super awesome main battery and only 30% in the 'crappy' replaceable battery which you only replace when you quickly need an extra 100 miles of range.

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