Environment

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Emergency personnel pull Chase Austin from his damaged car after he hit the wall in the first turn during the Indy Lights Freedom 100 auto race at the Indianapolis Motor Speedway in Indianapolis, Friday, May 23, 2014. (AP Photo/Bill Friel)

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ADVANCE FOR MONDAY MAY 26 AND THEREAFTER - In this May 21, 2014 photo, a speed limit sign posts a 55 miles per hour speed limit for traffic on State Highway 13 in Burnsville, Minn. Lawmakers have urged transportation officials to boost the speed limit to 60 mph where it can "reasonably and safely" be done on two lane-two way state highways now covered by a 55 mph limit. (AP Photo/Jim Mone)

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ARABIAN SEA (Nov. 8, 2012) An MH-60S Sea Hawk helicopter of Eightballers of Helicopter Sea Combat Squadron (HSC) 8 flies past the guided-missile cruiser USS Mobile Bay (CG 53) during a replenishment-at-sea with the Military Sealift Command fast combat support ship USNS Bridge. U.S. Navy photo.