1. Introduction.- 2. Objectives and Scope.- 3. History of Gas Producer Engine Systems.- 4. Literature Review.- 5. Chemistry of Gasification of Rice Hulls.- 6. Physical Properties of Rice Hulls.- 7. Physical Appearance of Rice Hulls under Thermal Decomposition.- 8. Low Temperature Energy Conversion of Rice Hulls.- 9. Tar Cracking in a Rice Hull and Rice Hull Pellet Fuel Bed.- 10. Design Considerations for a Rice Hull Gas Producer.