Just saw this interview in which Elon Musk says he's got all the ingredients for it but just needs "enough bandwidth"...
http://www.youtube.com/watch?v=UwT3Y0lkYaQ&list=PLD2E3351F5113F1AC
Or will it be the "Hyperloop"?...
http://www.youtube.com/watch?v=UwT3Y0lkYaQ&list=PLD2E3351F5113F1AC
Or will it be the "Hyperloop"?...