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Elon Musk shows off two-seat robotaxi
(arstechnica.com)
This is a most excellent place for technology news and articles.
Honestly, taxis don't need to be cheap, they need to be reliable. I'm sure a taxi company would be happy to spend $100k if it meant minimal maintenance and far less staff, since it would pay for itself pretty quickly.
The bigger question is, does it work? I'm guessing the answer to that is... no.