A method for processing waste material into fuel or other useful substances without polluting the air comprising the steps of: a. Introducing waste material into a storage chamber which allows the liquid to drain into a tank, b. Moving the waste to a storage chamber where it is burned, c. Moving the emissions and dust to a cleaning and burning chamber where they are further condensed, Or a. Pasteurizing sludge and raw sewage and using the gases produced for heat energy, b. Forming a solid of the liquid substances by adding ground corn and/or millet to them and using the solid for fuel.