Body: "Motor vehicles" is the examination of self-propelled vehicles that do not operate on rails, and are used for the transportation of people or cargo.
People study "Motor vehicles" in order to learn history or automobiles, determine trends in the industry, invest in global markets.
Professionals of "Motor vehicles" include Bradford DeLong, Booth Tarkington, George Monbiot.
vehicle propulsion, construction equipment, material use, global trends, Production by country, Type of vehicle are a few categories of "Motor vehicles".