A sport utility vehicle (SUV) is a generic marketing term for a vehicle similar to a station wagon, but built on a light-truck chassis.. It is usually equipped with four-wheel drive for on- or off-road ability,
and with some pretension or ability to be used as an off-road vehicle. Not all four-wheel-drive vehicles are termed as SUV.. Some SUVs include the towing capacity of a pickup truck with the passenger-carrying space of a minivan or large sedan..
Since SUVs are considered light trucks and often share the same platform with pick-up trucks, they were regulated less strictly than passenger cars under the two laws in the United States, the Energy Policy and Conservation Act for fuel economy, and the Clean Air Act for emissions..
The term is not used in all countries, and outside North America the terms "off-road vehicle", "four-wheel drive" or "four-by-four" simply use of the brand name to describe the vehicle like "Jeep" or "Land Rover" are more common..
However, not all SUVs have four-wheel drive capabilities. Conversely, not all four-wheel-drive passenger vehicles are SUVs.
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