File - In this Oct. 15, 2010 file photo, a cleared area is shown in San Bruno, Calif., where several homes were destroyed by a fire from a gas pipeline explosion. An audit says Pacific Gas and

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File - In this Oct. 15, 2010 file photo, a cleared area is shown in San Bruno, Calif., where several homes were destroyed by a fire from a gas pipeline explosion. An audit says Pacific Gas and Electric Co. did not use $50 million intended to improve its gas pipeline network in the decade leading up to a deadly explosion in a San Francisco Bay area suburb. (AP Photo/Paul Sakuma, File) less 

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Associated Press
Tue, Jun 4, 2013 9:04 PM EDT