Thermodynamic analysis of endoreversible six-stroke Otto cycle with respect to equivalence ratio, residual gas fraction and mean piston speed, Influences of biodiesel fuels produced from highly degraded waste animal fats on the injection and emission characteristics of a CRDI diesel engine, Utilization of Waste Eggshell as Catalyst in Biodiesel Production and Investigation of Efficiency, Density and Viscosity Parameters of Biodiesel Obtained in Different Reaction Times, Thermodynamic Analysis of an Intercity Bus Air-Conditioning System Working with HCFC, HFC, CFC and HC Refrigerants