The main purpose of this book is to present the most important advances and changes that are taking place in the field of automotive engineering, which experts estimate will be substantially different in 20 years from the way it is conceived. This study explores some of the most relevant aspects of the promising future of automotive engineering, among which are intelligent vehicles, ultralight materials, safety and crashworthiness, new manufacturing techniques, highly efficient engines, gas emissions, ecology or the transfer of aeronautical technology.