Tesla Inc. CEO Elon Musk tweeted Thursday morning that he has received “verbal” government approval for Hyperloop, his tunnel-building company, to construct infrastructure for a transportation system connecting Washington, D.C., Baltimore, Philadelphia and New York City.
Hyperloop is a mode of transportation championed by Musk that propels pods through low-pressure tubes. The low air resistance and reduced friction allows the pods to hit blazing speeds of more than 700 mph. Musk suggested the…