Mr WENTWORTH (MACKELLAR, NEW SOUTH WALES) - Has the Prime Minister noticed that *he Gas and Fuel Corporation of Victoria is contemplating the production of 70,000,000 or 80,000,000 gallons annually of various kinds of liquid fuel, and that this quantity is considerably in excess of what would be the diesel fuel requirements for the entire Australian railways system if it were fully dieselized? Will the right honorable gentleman approach the Victorian Premier in order to explore the possibility of obtaining a permanent local supply of diesel fuel to meet the requirements of the entire Australian railways system? Will the Prime Minister approach the New South Wales Premier also in order to explore the possibilities of producing liquid fuel from black coal? In this connexion, I refer particularly to recent experiments by the Pittsburgh Consolidated Coal Company, in the United States of America, where lowtemperature carbonization with a fluidization bed has enabled-