- Video duration
- 00:53
How realistic is hyperloop travel?
Tesla CEO Elon Musk says he won "verbal" government approval to build the world's longest tunnel for an ultra-high-speed hyperloop line to connect New York to Washington.
Tesla CEO Elon Musk says he won "verbal" government approval to build the world's longest tunnel for an ultra-high-speed hyperloop line to connect New York to Washington.