The natural gas supplies of the U. S. are rapidly approaching exhaustion and the known oil pools are estimated to hold only a six-year reserve against the present demand. But there are deposited in the U. S. over one and a half trillion tons of bituminous coal, a little more than half of the whole world's fields.* It is tempting, hoarded energy which industry has been demanding, more and more insistently, be transmuted into forms other than heat.
It was to answer this insistency that industrial chemists met at Pittsburgh last week....
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