What is bio diesel fuel?
vegetable oil,usally the waste veggie oil from resturants more,it can be mixed at various ratios with diesel ie B20,B40 so on-so forth i use 60% Biodiesel with 40% Kerosene (and a bit of transmission fluid for needed lubrication) kerosene is more refined than diesel using some atf is required but in the end it is cleaner for our envioronment than petrol diesel.