The steel tubes are rendered transparent in this image. The Hyperloop is a conceptual high-speed transportation system put forward by entrepreneur Elon Musk, incorporating reduced-pressure tubes in which pressurized capsules ride on an air cushion driven by linear induction motors and air compressors.he steel tubes are rendered transparent in this image. The Hyperloop is a conceptual high-speed transportation system put forward by entrepreneur Elon Musk, incorporating reduced-pressure tubes in which pressurized capsules ride on an air cushion driven by linear induction motors and air compressors.