For All of Elon Musk’s Brilliance, He Can’t Grasp This Fundamental Concept
Paris Marx

Cheaper and faster built tunnels could be used for more subways and maybe even hyperloops to get around cities. 40 layers of car tunnels would probably be too expensive, take to long, and leave us stuck in elevator lines. But the car tunnels could be just to get people, investors, and regulators excited and on board.