An electronic control key fob hangs below the ignition of a Porsche 911 automobile as its sits on the production line during manufacture at the Porsche AG factory in Stuttgart, Germany, on Tuesday, March 10, 2015. Volkswagen AG's Porsche division plans to buy a 25 percent stake in a German auto-parts and carbon-fiber producer, widening access to the lightweight material used in its top-end sports cars. Photographer: Krisztian Bocsi/Bloomberg via Getty Images
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