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Watch: XCar tests the Pagani Huarya

Huayra means “god of the winds” in the Quechua language, hence the word's attachment to the 230 mph Pagani hypercar that debuted in 2012 with a price of $1.3 million. British outfit XCar took the company's latest to the streets for the full shakedown. XCar starts with a little history on the company before going into the trick aero bits that stay hidden when you want to go fast, and appear when you want to take a corner.

Retracing Steve McQueen's Los Angeles in his Jaguar XKSS

In 1958, Steve McQueen bought this Jaguar XKSS from a local TV personality who kept it parked in a studio lot on Sunset Boulevard. McQueen cajoled his wife Nellie into writing a check for $5,000 -- today around $40,000 -- and became the third owner of XKSS chassis No. 713, a car that had originally been imported a year earlier by Jaguar North America.

Video: GM's Clay Dean on the future of urban mobility

Clay Dean is the star of a new Faces of GM video, Anticipating the Driving Experience of the Future. The global design director for GM's Advanced Design Group, whose job also entails exploring future transportation design solutions, talks about the need to avoid short-term thinking on urban mobility, as by 2030 60 percent of the world's population will live in cities. As new challenges start to emerge, such as increasing congestion, Dean believes it is time to start thinking about transportation in a completely different way.