Agricultural engines Agriculture 1 Bio-diesel blends 1 Biodiesel 1 Brakes 1 C.I. engine 1 CI engine 1 Diesel engines 1 Emission 1 Engine emission 1 Engine speed 1 Fossil fuels 1 Fuel consumption 1 Greenhouse gases 1 Nitrogen oxides 1 Oils and fats 1 Performance 1 Performance and emissions 1 Smoke 1 Thermal efficiency 1 Waste cooking fry oil 1 biodiesel 1 emission 1 performance 1 waste cooking fry oil 1