battery swapping
Elon Musk’s altruism powertrain is just good business
In 1907, the Serbian-American inventor Nikola Tesla sold all his patents to Westinghouse, Inc., for a heavily discounted $216,000, including one for alternating current. In 1943, he died penniless. In 2014, another Tesla has given away its patents but signs are that this one will be way more successful.
