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Re:United Airlines will buy 15 planes from Boom Supersonic by MattGaiser on Thursday June 03, 2021 @10:11AM (#27381626)
Tesla has built a charging network, done a lot of work on the battery/range, and built an electric SUV.

So I would say they have made at least solid progress on three of them.

Re:United Airlines will buy 15 planes from Boom Supersonic by herlitzj on Thursday June 03, 2021 @10:14AM (#27381666)
That's the point. Sitting at the start and saying "We're not at the finish" isn't a useful way to get anywhere