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The new Mercedes-Benz CLA Super Bowl spot

It takes a certain kind of chutzpah for a German company that supplied the Nazi war machine to use a track that features the line, “I rode a tank / Held a general's rank / When the Blitzkrieg raged / And the bodies stank.” Apparently, Mercedes-Benz has exactly that sort of chutzpah. The premise, of course, is that you don't have to sell your soul to afford the company's stylish new CLA. That for under 30 grand, you too can dance with Usher, be pulled into red-carpet photographs with Kate Upton, and compete in Formula 1 races.

McLaren P1 (2013): powertrain revealed with 903bhp and electric driving

McLaren has revealed first details of the P1 supercar's hybrid powertrain. The headlines are: a combined 903bhp, 664lb ft, and the ability to drive 6.3 miles on zero-emission electric power. McLaren P1 powertrain: the details The engine is, as expected, an uprated version of the 12C's 3.8-litre twin-turbo V8.

General Motors to keep green car technology in house

For the first time in its 100-year history, General Motors plans to design, develop and manufacture electric motors for its growing array of gasoline-electric hybrids and electric vehicles. The electric motors used in GM's current lineup of hybrids are made to GM specifications by outside vendors. GM wants to bring the design and manufacturing in-house to save money and to apply its own technology to boost performance, lower weight and reduce power consumption, said Larry Nitz, GM's chief hybrid powertrain engineer.