Elon Musk on Solar City, SpaceEx, Tesla & how to get to your cousin's birthday party on the other side of town when you're grounded.
Go to just after the four minute mark for the appearance of Elon Musk & to avoid the intro.
http://youtu.be/AHHwXUm3iIg / Model S EV electric vehicle space flight LiIon lithium ion battery cell range performance Model X Roadster PayPal ISS International Space Station haulage NASA YouTube /
