Abstract: A bulk material shredding method, a bulk material shredder which has a shredder housing having a trough, a discharge end having a discharge aperture for discharge of shredded material out of the trough, and an opposite end remote from the discharge end, an auger mounted for rotation within the shredder housing and retained by a bearing surface at the discharge end of the shredder housing and by a bearing surface at the opposite end of the shredder housing, the auger having a uniform diameter auger flight, and a shaft of uniform diameter through its length which carries the auger flight. A drive means is located at the discharge end of the shredder housing for rotating the auger and a plurality of teeth are mounted on the periphery of the auger and project radially therefrom. Apparatus for shredding railroad ties and separating non-fuel useable components therefrom to produce fuel.