Previous (similar) discussion: "Boring Company to use Tesla’s technology for its tunnel project under LA" https://news.ycombinator.com/item?id=15002501 https:

Previous (similar) discussion: "Boring Company to use Tesla’s technology for its tunnel project under LA" https://news.ycombinator.com/item?id=15002501 https://news.ycombinator.com/item?id=15002501 Till now the Boring Company was "playing" with existing, used, conventional, TBM.