A Breakthrough In Wringing Liquid Fuel From Coal

Synthetic fuel was supposed to alleviate America's dependence on imported oil by squeezing an oil-like liquid out of coal. However, synfuel hasn't delivered on its promise. A barrel of liquefied coal costs more than $30, or at least 50% more than the real thing. But synfuel may get another chance, as a result of research at Pennsylvania State University.

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