>>> Elon Musk says he has received "verbal govt approval" to "build an undergrou Elon Musk says he has received "verbal govt approval" to "build an underground NY-Phil-Balt-DC Hyperloop" http://www.cnbc.com/2017/07/20/elon-musk-says-he-got-verbal-govt-approval-for-hyperloop-between-ny-and-dc.html