August 24, 2009
A massive energy reserve that resides below Wayne County and throughout the Appalachian Basin could supply U.S. natural gas needs for at least 20 years, newly released estimates show.
Penn State geologist Terry Engelder recently reported in an industry oil and gas magazine that the Marcellus Shale could yield 489 trillion cubic feet of natural gas, a much higher estimate than previously calculated. For comparison, the U.S. uses an estimated 22 - 24 trillion cubic feet of natural gas annually.
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