In today's India, the human resources are the largest energy in rural areas, we need to make use of human resources, the use of biogas for power generation, the following is the process:
HUMAN POWER-wc-peopel- Excreta-Digesters-Biogas-Thermoelectricity-electrical-Pump-working
and every part can use the lowest cost make such as the WC , here will update one by one show the every part details material ,area, cost and so on