Show TO ELIMINATE THE WASTING ot OF FUEL an important step toward top stop T pin waste of fuel resources of the country las as beeri beed taken by the geological bogir al survey in its tests U coals of the rocky mountain Mounta lh region at ht the government plant in denver the purpose p has been to td determine what coals of this region are capable of 04 making coke that can can be lid used by the great metallurgical interests of bf the west of thirty seven coals tested the government goern ment experts succeeded in n producing good coke from all but i three though a number of these cords had aver never been known to be capable of it each of the coals was washed in order to get rid of the ash sulphur and other impurities which prevent the making of coke that is of any use in in metallurgical work the washing ashing tests not only prepared these coils so that they made good coke but also demonstrated the fact that many coals of the west which have too much ash and sulphur to be used economically under a steam boiler may be centered renT rendered ered of commercial value through treatment |