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Battery efficiency improvements aren't the only source of major tech gains

Electric motors at 3-5 times current (pun intended) efficiency would also move EV across the threshold

http://nextbigfuture.com/2013/02/superconducting-bi-2212-wire-that-has.h...

I believe the motor is already about 90-95% efficient, so improving that to 98-99% would be helpful but not a major improvement, except of course that cooling would get significantly easier.


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