... 5)Environmental and safety The main feature of the biogas generator:HIGH TECH biogas generator has world's most advanced lean burn technical, ... detailed photos for reference: Notes:Fuel Consumption(cbm/kw.h): Biogas<0.6,natural gas<0.33 (as per your ... actuator), fans , water tanks, air filter and other accessories. The biogas generator can choose automatic type,silent canopy,heat recovery, CHP. To ...