NOVELTY - An assembly comprises: drying assembly (16) for converting green biomass material from a first source to white biomass material; torrefaction assembly (18) for converting green biomass material from second source to torrefied biomass material; heating assembly containing heat exchanger (26) having heat transfer coils in it containing thermal fluid, burner (22), unit for conveying heated thermal fluid from heat exchanger to drying assembly, and unit for conveying heated thermal fluid from heat exchanger to torrefaction assembly.    USE - As an assembly for processing green biomass materials from two feed sources used as fuel pellet (claimed).    ADVANTAGE - The method provides stable fuel pellets from blends of dried and torrefied biomass materials. The assembly produces a fuel pellet from such blends that has heating values similar to that of coal; and has high grindability, structural stability, and moisture resistance.    DETAILED DESCRIPTION - An assembly comprises: drying assembly (16) for converting green biomass material from a first source to white biomass material; torrefaction assembly (18) for converting green biomass material from a second source to torrefied biomass material; heating assembly containing heat exchanger (26) having heat transfer coils in it containing a thermal fluid, burner (22) for heating the thermal fluid in the heat transfer coils to 200-550 degrees F, where the burner also produces flue gases, a unit for conveying heated thermal fluid from the heat exchanger to the drying assembly, and a unit for conveying heated thermal fluid from the heat exchanger to the torrefaction assembly. An INDEPENDENT CLAIM is included for a method for making a fuel pellet from biomass materials from two separate feed sources involving providing a drying assembly for converting green biomass material from a first source to white biomass material, where the drying assembly contains predryer (15) that is adapted to receive green biomass material from the first source, and remove moisture from and raise the temperature of the green biomass material to produce a pre-dried biomass material, a biomass dryer that is adapted to receive the pre-dried dried biomass material from the predryer, convert the pre-dried biomass material to white biomass material; providing a torrefaction assembly for converting green biomass material from a second source to torrefied biomass material; providing a heating assembly; providing a steam duct for conveying steam from the biomass dryer to the combustion chamber; providing volatile organic compound (VOC) duct for conveying volatile organic compounds from the biomass dryer to the combustion chamber; providing a pellet press for compressing a blend of white biomass and torrefied biomass; operating the burner to heat thermal fluid in the heat exchanger; conveying heated thermal fluid to the biomass dryer; conveying heated thermal fluid to the torrefaction assembly; introducing green biomass from the first source into the predryer; operating the predryer to remove moisture from and raise the temperature of the green biomass material from the first source to produce a pre-dried biomass material; conveying the pre-dried biomass material to the biomass dryer; operating the biomass dryer to convert the pre-dried biomass material to white biomass material; introducing green biomass from the second source into the torrefaction assembly; operating the torrefaction assembly to convert green biomass material from the second source to torrefied biomass material; blending the white biomass material and the torrefied biomass material to produce a blend of biomass materials; conveying the blend of biomass materials to the pellet press; and operating the pellet press to compress the blend of biomass materials to produce a fuel pellet.    DESCRIPTION OF DRAWING(S) - The figure shows a view of a a plant for producing pellets from blends of white wood and torrefied wood.    Predryer (15)    Drying assembly (16)    Torrefaction assembly (18)    Burner (22)    Heat exchanger (26)    Screen (129)    Conveyor (190)