Whatever the Hyperloop is, it's a long-distance transport mechanism, not a replacement for the subway -- he said so much himself: http://inhabitat.com/elon-musk

Whatever the Hyperloop is, it's a long-distance transport mechanism, not a replacement for the subway -- he said so much himself: http://inhabitat.com/elon-musks-hyperloop-train-could-travel-from-los-angeles-to-san-francisco-in-30-minutes-flat/ http://inhabitat.com/elon-musks-hyperloop-train-could-travel... Techwise, I still think the Lofstrom loop theory sounds the most likely: http://en.wikipedia.org/wiki/Launch_loop http://en.wikipedia.org/wiki/Launch_loop