googlenews Posted January 18, 2019 Report Share Posted January 18, 2019 Elon Musk's 'incredibly expensive' tunneling plans unrealistic, says Uber The TelegraphElon Musk's plans for underground tunnels to solve congestion in cities are unrealistic because they are too expensive to dig, Uber has said. https://www.google.com/news Link to comment Share on other sites More sharing options...