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  1. 01-01-1984 This simple, low-cost bakery oven is fueled by waste, automotive crankcase oil. The design has undergone extensive testing. It is designed to be built from locally available materials. This oven is capable of maintaining a 160 degrees C to 190 degrees C baking temperature on .946 to 1.4 liters of...
  2. 01-01-1984 This technical bulletin briefly describes a new technique for using the spent lubricating oil removed from automobiles. This oil normally has no immediate use. It is often discarded in ways that can foul local groundwater or upset wastewater treatment systems. The "waste oil" can be burned as...