I did some research on biogas generator. In country like India, vietnam and china biogas generator already started a long time ago. First digestion plant to produce biogas from wastes was built in Bombay, India in 1859. The conventional biogas generator was fed with manure but nowadays biogas generator fed with any starchy material such is food waste which is rich with carbon sources. People are improvising the design, now small plant about 1000L tank is far more efficient than the 4000L of conventional biogas generator. For more info go to
Let's go green and cut some bill from your household expenditure (Biogas Generator)
