On May 22, the engineering team that successfully launched the Dragon rocket space supply ship, the first private venture of its kind, cheered blissfully for chief executive Elon Musk and the leadership he’s given the SpaceX company. Musk joined the team to watch the ship bound for the International Space Station. Next on Musk’s list will be the Model S delivery date of June 22. It will sell for $57,400 with a federal tax incentive of $7,500, and it will travel 160 miles on a full charge… After hitting high volume sales in Japan and introducing a whole line of family products, the Toyota Prius has now become the world’s third best-selling car line. In the first quarter, the 2012 Toyota Corolla took first place and the 2012 Ford Focus took second. Only a year ago, the Prius came in one model, the standard mid-size hatchback. Since then, it’s also available as the Prius C subcompact hatch, Prius V mid-size wagon, and Prius Plug-in Hybrid.