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Tesla Model X crossover to be unveiled on Feb. 9

Rocketship impresario Elon Musk had previously promised the premiere of the Tesla Model X crossover last month. It's now come out that the electric crossover will be unveiled on Feb. 9 at the company's design studio in Hawthorne, Calif.

Concept Car of the Week: Mazda RX500 (1970)

Developed by the Toyo Kogyo Company's advanced design and engineering team, the Mazda RX-500 was described as a ‘mobile test bed for high-speed safety'. Looking at its design, the team's childlike enthusiasm has shone through, resulting in a very cool concept.  From the rakish front to the wraparound windscreen and on to the bread van rear, everything communicates high-tech and ‘70's futurism while also channeling a little of the Star Wars X-Wing. Thanks to plastic body panels, the concept weighs only 850kg and is powered by a 491cc rotary engine delivering 247bhp fitted behind the cabin, in front of the rear axle.

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.