.Date: Wednesday, August 31, 2011, 12:33pm EDT - Last Modified: Wednesday, August 31, 2011, 4:08pm EDT
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John Surma, chairman, CEO and president of United States Steel Corp. (NYSE: X), will officially commission a compressed natural gas station next week at the company's Mon Valley Works. Also on hand will be Aubrey McClendon, CEO of Chesapeake Energy Corp. (NYSE: CHK).

Email United States Steel .United States Steel Latest from The Business Journals Pittsburgh-region CEOs make think tank's best-paid listStocks drop 400-plus pointsWall Street drops Thursday Follow this company .Corp. plans next week to open a compressed natural gas filling station at the U.S. Steel Mon Valley Works to serve some of its vehicle operations there.

The filling station at the Irvin Plant in West Mifflin is one of two for U.S. Steel; the other is at the Gary Works in Gary, Ind. It's also one of a handful of compressed natural gas filling stations that are popping up in the Pittsburgh region; one of the most recent was a Giant Eagle .Giant Eagle Latest from The Business Journals Contaminated turkey sold in regionGiant Eagle CNG station opens for businessYour thoughts: Readers share comments online Follow this company .station in Crafton.

U.S. Steel (NYSE: X) is both a consumer of natural gas, as well as part of the supply chain that serves the natural gas industry, said spokeswoman Courtney Boone.

"We already have incorporated natural gas into our operations," Boone said Wednesday. "In an effort to be environmentally responsible and economically responsible, we have included natural gas into some of our fleet vehicles."

At the Mon Valley Works, the five vehicles that use compressed natural gas include a tractor that moves steel coils. Boone said there's a significant reduction in the amount of emissions from a natural gas vehicle compared to gasoline or diesel-powered vehicles, as well as a reduction in the cost of the vehicles over their operational life.

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