You shouldn't forget that there is only a limited amount of lithium on earth.
At the moment it isn't clear what will be the best system to store energy in ten to twenty years.
It could be some clever lithium based battery.
It could be a battery from a newly discovered chemical compound.
It could be a more efficent way to use hydrogen.
And it could also be some clever biotech way. Biotech has the advantage that you aren't dependend on any resource be it iron, lithium or indium (for solar cells), because the things that biological organism need to to grow are plentiful on earth. Biotech is sustainable over long time.
Maybe Creep Venter succeeds in building some bacteria that is extremly good at producing ethanol and ethanol becomes cheap again.
Maybe we can also build a bacteria that is a powerful battery.
If biotech solves the problem better than the battery industry the battery companies could all go bust.
Some guy or girl in a garage could find a better solution to store energy.
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Range of about 200 miles in the batteries would also encourage current gas stations to start supplying outlets, or in some cases battery swaps.
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They want to start battery swaping in Israel (in Israel you can't drive more than 200 miles anyway because you would have to leave it to to so).