Discuss the below problem:
Q: An automobile engine consumes fuel at a rate of 28 L/h and delivers 60 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. You should solve the problem in a step by step.You must include all the units which are needed to solve the given problem.