PayPal, Tesla Motors & Solar City is an impressive record, but Elon Musk has lots of other ideas too, including the Hyperloop high speed, mass transit system mentioned recently on these pages.
More Musk ideas at:
http://www.bloomberg.com/slideshow/2013-08-13/12-things-elon-musk-wants-to-build.html / Space Exploration Technologies solar power systems photovoltaics photo voltaics photovoltaic voltaic PV PVs electric vehicle EV Roadster Model S X E economy car mass market accomplishments fly spaceship planet next grand visions electric planes plane developing develop new mode of transportation construct construction constructing an entire city Mars project projects ambitious plans dreams swirling inside mind Hyperloop ride 28 passenger 28-passenger pod zips through a steel tube 760 miles per hour concept Musk unveiled Monday Hyperloop fifth mode of transportation take taking passengers Los Angeles San Francisco 35 minutes for $20 a ticket plans air craft aircraft airplane Muskconference call with reporter initial acceleration traveling at speed, you wouldn't notice the speed at all. So it will be really smooth like you were riding on a cushion of air solar powered power solar-powered Hyperloop $6 billion development developing develop invest plow his own money venture earlier statements Musk said build an operating prototype himself fruition Supercharger station network recharge recharger charge charger/