Editing Variable displacement (section)

{{Short description|Combustion engine technology}}
'''Variable displacement''' is an [[automobile]] engine technology that allows the [[engine displacement]] to change, usually by deactivating [[Cylinder (engine)|cylinders]], for improved [[Fuel economy in automobiles|fuel economy]]. The technology is primarily used in large multi-cylinder engines. Many automobile manufacturers have adopted this technology as of 2005, although the concept has existed for some time prior to this.