Automotive Engineering is a sub-branch of vehicle engineering. It can also be considered as a sub-branch of mechanical engineering that has split from the main branch focusing on the automotive field of study. Automobile engineering focuses on the cars. It specifically deals with the designing of cars, operations in production of cars, designing of engines and fuel management. Thus, automobile engineering can be considered as a sub branch of automotive engineering. However, generally both the branches are used interchangeably to denote a branch dealing with motor vehicles.