From high-speed rails to electric planes, why is the U.S. so behind on transportation? Watch the video to learn why it's so difficult to innovate transportation. 00:00 -- Intro 00:47 -- Why The U.S. Has No High-Speed Rail? 16:53 -- Why Don’t We Have Self-Driving Cars Yet? 29:27 -- Why Don’t We Have Flying Cars Yet? 44:57 -- Why Don’t We Have Electric Planes Yet? » Subscribe to CNBC: http://cnb.cx/SubscribeCNBC » Subscribe to CNBC TV: http://cnb.cx/SubscribeCNBCtelevision » Subscribe to CNBC Classic: http://cnb.cx/SubscribeCNBCclassic About CNBC: From 'Wall Street' to 'Main Street' to award winning original documentaries and Reality TV series, CNBC has you covered. Experience special sneak peeks of your favorite shows, exclusive video and more. Connect with CNBC News Online Get the latest news: http://www.cnbc.com/ Follow CNBC on LinkedIn: https://cnb.cx/LinkedInCNBC Follow CNBC News on Facebook: http://cnb.cx/LikeCNBC Follow CNBC News on Twitter: http://cnb.cx/FollowCNBC Follow CNBC News on Instagram: http://cnb.cx/InstagramCNBC #CNBC