Royal Dutch Shell Plc, which is expanding its operations in the Gulf, also has proposed new investments in western Pennsylvania, near the natural gas-rich Marcellus formation. The plant will help Shell capture a larger share of the U.S. market for polyethylene, more than half of which is concentrated in northern states. It took Shell years to make the decision to build the plant. The U.S. Gulf Coast will remain an attractive investment area, said Shell spokesman Curtis Smith and other energy officials. SOURCE
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