Word: economica11y
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Dates: during 1961-1961
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...another breakthrough in fuel technology, the hard pressed U.S. coal industry moved a step closer to economica11y attractive pipeline transportation of its product. Since 1957 Cleveland Electric Illuminating Co. has fueled one of its generating plants with coal slurry (a mixture of crushed coal and water) brought in through a 108-mile pipeline from Consolidation Coal Co.'s Cadiz, Ohio, mine...
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