In fact I just checked the Model 3 handbook. It says "The most important way to preserve the Battery is to LEAVE YOUR VEHICLE PLUGGED IN when you're not using it." (their caps, not mine).
It goes on to say that if you discharge the battery to 0% components may be damaged and require replacement. It also says that the battery discharges at about 1% per day, and that if you are going to leave the car unused for 2 weeks e.g. at an airport, you should ensure there is at least 14% charge before leaving it. Does this apply to all EVs?
So coming back to my original point, EVs are not like an ICE car that you can fill up and leave almost anywhere until you next want to use it, and infrequent users will need to keep their cars plugged in. The line I have heard is that most users will charge at home rather than using public chargers, but in the light of Tesla's instructions it looks like there will need to be rather more public on-street chargers for those who don't have off-street parking.
I am not anti-EV but would want to know the whole picture before making the decision.
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