Morgan Stanley theorizes how Elon Musk's tunnel company will one day work together with Tesla

Elon Musk waves after speaking at a Boring Company community meeting in Bel Air, Los Angeles, California, May 17, 2018.
Lucy Nicholson | Reuters

The path to a mega fleet of autonomous vehicles for Tesla could lie with Elon Musk's Boring Company, according to Morgan Stanley's Adam Jonas. The infrastructure start-up promises to build a network of underground motorways.