The word SUV stands for Sport Utility Vehicle. SUV is a generic marketing term for a vehicle which is similar to a station wagon, but it is built on a light truck chassis. Sport Utility Vehicle is usually equipped four wheel drive for both on or off road ability, and with some capability or pretension to be used as an off road vehicle. All kinds of four wheel drive vehicles are not considered or termed as SUV. Since SUVs are considered as light trucks and often share the same platform with pick up trucks, from the passenger cars they are been regulated less strictly under the two laws in the United States one of them the Energy Policy and Conservation Act for fuel economy and the other is the Clean Air Act for emissions.
