Associated Press
FILE - In this July 22, 2010 file photo, the sign at an entrance for the Horsehead Inc. zinc plant is seen in Monaca, Pa. Shell Oil Co. said in March 2012, it had chosen this site near Pittsburgh for a major new petrochemical refinery that could provide a huge economic boost to the region. Shell Oil Co. is years away from building the petrochemical plant, but the company is already reaching out to the local community and getting a wholehearted welcome. Shell announced Wednesday, Aug. 15, 2012, that the company currently has about 50 people working full-time on the project, and invested about $4.7 billion in 2010 for drilling rights to about 650,000 acres so that it could potentially use its own wells to supply some of the natural gas that's needed for the plant. (AP Photo/Keith Srakocic, File)

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