Personal cars spend most of their time parked on the side of the road using up valuable real-estate. Transportation services like Uber or taxis use the road to

Personal cars spend most of their time parked on the side of the road using up valuable real-estate. Transportation services like Uber or taxis use the road to move people around and don't take up as much space as personal cars. Public transit and bikes are much more space and energy efficient, though don't get the investment they need to work for most people. US cities are optimized for sprawl and personal car centric transportation, which makes it annoying that new ideas like these scooter startups (which are actually pretty great when you try them) are blocked by officials in favor of a system that is expensive and sub-optimal for the health of society.