The technology remains confined to the testing phase, but China has made breakthroughs in one of the biggest issues facing the concept.

Rendering of Italy's Hyper Transfer project from HyperloopTT, one of the companies working on the technology. HyperloopTT. The test track will occupy a 10-kilometer stretch of land.

Imagine traveling inside a levitating capsule within a vacuum tube while going 200 mph faster than a 747, powered by renewable energy. This video explores the Hyperloop concept and discusses the ...