Travel Long Distances with Electric Vehicle
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In my home, we use cooking gas cylinder. If we create big cylinder electric batteries for cars and always carry two of them, then as soon as ones charge gets low, the other charged battery should take over and we have to just replace former with a charged one. Which means we should have at least three, i.e. one will be always charging at our home.
Or all these batteries could belong to a big power company and all gas stations could become battery chargers. I mean when we are on a long distance travel and one of the batteries gets low, all we have to do is go to the nearest gas station and exchange our battery with a charged one. Thus we will pay only for the charge and not wait for charging our batteries.