In this photo released by Ford Motor Co., more than 1,000 people watch Ford technicians tear down an F-150 EcoBoost engine Saturday, Jan. 15, 2011, at the North American International Auto Show, in Detroit. The engine underwent 10 years of use and more than 165,000 miles of tough testing. (AP Photo/Ford Motor Co., Sam VarnHagen) NO SALES
Photo: Sam VarnHagen / AP
In this photo released by Ford Motor Co. - Media (1 of 8) US automakers draw big crowds at Detroit
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In this photo released by Ford Motor Co., more than 1,000 people watch Ford technicians tear down an F-150 EcoBoost engine Saturday, Jan. 15, 2011, at the North American International Auto Show, in Detroit. The engine underwent 10 years of use and more than 165,000 miles of tough testing. (AP Photo/Ford Motor Co., Sam VarnHagen) NO SALES
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