Abstract
Recently the colloidal fuel in which pulverized or peptized coal are suspended in oil the amounts of which ranges 30-50wt% has been spotlighted because it could be handled as easy as the so called liquid fuel.
There is no serious problem in using it for pructicul use as it can be handled with combination of the already completed technologys. From the economical viewpoint, the cost of combustion lies between that of coal and oil.
The large amounts of coal can be transporled in this form of the coal and oil mixture and be expected for the use of electlic power station, steel industry, cementindustry and so on.