For more information. Calculation for cooking medium stove uses 9 mj of energy hr manure of 3 animals is fuel for stove to run for 2 5 hrs 8x3 24kg dung 1 2 m3 1 2x19mj 22 8 mj 9 2 5 hours. 1 mj kg 0 28 kwh kg 430 btu lb m.
