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Elon Musk unveils Hyperloop

Elon Musk has been teasing us with something called the Hyperloop for a while now, referring to some Goldbergian cross between a railgun and an air hockey table that would zoot us and scoot us from San Francisco to Los Angeles in a half-hour. Now, in a 57-page PDF available here or here, he's outlined just what Hyperloop could be. Bad news?

2012 Mini coupe revealed in full pictures and with pricing details

Finally--after a slew of teasers, spy shots and other temptations--pictures of the much-anticipated Mini Cooper coupe in full production trim were released on Monday. The coupe is the first two-seat Mini since the brand relaunched in the United States. It will be offered with three four-cylinder engine choices, topped by a 208-hp John Cooper Works model.

Arizona auctions: Early days filled with optimism

The sun kept shining--both as a metaphor and in reality--while the cars were selling at the Arizona auctions. As of late Thursday, Barrett-Jackson had completed three of its six days of sales. Preliminary numbers assembled by on-site reporters indicate total sales of $20.2 million at the halfway mark, with 100 percent of the 656 cars on offer sold.