Elon Musk is pressing ahead with his latest disruptive transportation idea, as The Boring Co. quietly released renderings of a public shuttle for its underground tunnel system.

Granted, the new initiative hasn’t dug past the boundary of SpaceX’s headquarters in Hawthorne, California, nor is there any indication that it has permission to do so.

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But that’s not preventing the man behind Tesla (NASDAQ: TSLA) and SpaceX, as well…