An automobile engine consumes fuel at a rate of 22 L/h and delivers 55 kW of power to the wheels

An automobile engine consumes fuel at a rate of 22 L/h and delivers 55 kW of power to the wheels. If the fuel has a heating value of 44,000 kJ/kg and a density of 0.8 g/cm3, determine the efficiency of this engine. Answer: 25.6 percent