Science: New Coal for Old

Fuel substitutes of various types are the subject of active experimentation, out of which it seems probable that revolutionary developments will come in the near future.

1) The Piron system of low-temperature coal distillation, which Henry Ford is investigating at cost of $20,000,000, is a method of making a coke from bituminous coal which has all the advantages of anthracite and can be used in blast furnaces.

2) A low-temperature system invented by Charles C. Bussey, of New York, is in successful operation at Louisville, Ky. It differs in method from the Piron...