Machines which are used to transport people and cargo are known as vehicles. Some of the most common types of vehicles are motor vehicles, watercraft, amphibious vehicles, aircraft and spacecraft. Vehicles need a source of energy to drive them. Some of the common types of technologies which are used to propel vehicles are internal combustion engines, electric motors and gas turbines. The heat engines where the combustion of a fuel occurs with an oxidizer in a combustion chamber are referred to as internal combustion engines. Gas-turbine engines employ a gas as the working fluid used to turn a turbine. The topics included in this book on vehicular technologies are of utmost significance and bound to provide incredible insights to readers. The book presents researches and studies performed by experts across the globe. It is meant for students who are looking for an elaborate reference text on vehicular technologies.