A B-52 out of Barksdale Air Force Base in Louisiana.
A B-52 out of Barksdale Air Force Base in Louisiana. Gregg Ellman / Fort Worth Star-Telegram / MCT
A B-52 out of Barksdale Air Force Base in Louisiana. Gregg Ellman / Fort Worth Star-Telegram / MCT

Politics & Government

Air Force seeks jets powered by liquefied coal

March 30, 2008 6:00 AM

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