Mr. Collier's younger brother Andrew is a machinist in the engine department at auto racing's Hendrick Motorsports.

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While his brother, Andrew, became a machinist in the engine department at Hendrick Motorsports, one of the major NASCAR racing teams, Sean followed a different path.

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Gwinnett County Fire Department spokesman Thomas Rutledge later said one fire engine and an ambulance were sent to the scene, as is customary.

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The engine was built in 1912 and was thought to have been commissioned by the War Department.

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The U.S. Department of Energy researchers have designed a remarkably simple, energy-efficient engine with no moving parts.

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The Justice Department will investigate the recently announced Microsoft-Yahoo deal that will combine their search engine businesses for a decade.

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