“…To support the research, several tools and materials are needed including Diesel engine, Generator Unit, and Gas Analyzer, Fuel. Heater unit consists of Shell and Tube Heat Exchanger, Piping Equipment Material, Computer, Camera, Thermometer, Digital Flow Rate, Manometer, Thermostat, Solenoid, Measuring Cup [21] and Fuel (Biodiesel B20) produced by Pertamina. Standard of Biodiesel (B20) according to table 1 The research procedure is a sequence of activities carried out so that the research was done regularly and systematically so that the research objectives can be achieved.…”