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Elon Musk's greatest hits

Elon Musk, CEO of electric car maker Tesla and space exploration firm SpaceX, has plans for a futuristic transportation system known as the Hyperloop. Here's a look at the South Africa native's wide-ranging business successes to date.

A family affair

elon musk solar city

Not content to focus just on SpaceX and Tesla, Musk also chairs solar energy provider SolarCity (SCTY), which was founded in 2006 by his cousins, brothers Lyndon and Peter Rive. SolarCity debuted on the Nasdaq in December at $8 a share and has since risen to $38, further swelling the fortune of Musk, its largest shareholder.

SolarCity offers solar power for homes and businesses, designing and installing custom-built systems. The company is still losing money but remains expanding, reporting last week that its customer base had grown to nearly 65,000.

- Last updated August 12 2013 05:49 PM ET