... Pressure: 100kPa, Ambient Temp: 20°C, Relative Humidity: 30% Applied gas:Natural Gas, Biogas Technical Data Biogas Gen-set ModelKDGH25-GZKDGH45-GZKDGH80-GZKDGH100 ... ≤98Gas Engine Technical ParametersEngine ModelHG4BHG6BHGN14HGN14TypeIn-line, four stroke,electronic-controlspark plug ignition,water-cooling,dry cylinder jacket,premix proper ratioof air ...