Jack Clark, chief technical officer of Novelis Inc., gestures as he speaks during an interview in Seoul, South Korea, on Wednesday, May 8, 2013. Novelis Inc. plans to boost research and development staff by 40 percent as the biggest supplier of flat-rolled aluminum products to global carmakers seeks to increase recycled content in products used in cans and vehicles. Photographer: Woohae Cho/Bloomberg via Getty Images
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