Engine
An engine was a type of device that converted one form of energy into another, often as a propulsion system.

One of the earliest forms of such propulsion machinery was the internal combustion engine, often found in automobiles. ()

One of the biggest Human discoveries of the 21st century was the warp drive engine by Zefram Cochrane, which he called a "space warp generator". () Within a century, Human scientists had managed to increase the speed attained until they created the warp five engine. (; )

In 2151, Vulcan Captain Vanik instructed  to ignite their engines once the Vulcan tractor beam was interrupted after they rescued the  from a chasm on Archer's Comet. ()

By the 23rd century, several types of engines were used to help propel starships, including the Avidyne engines, used as impulse drives. () In order to drive the warp engine, antimatter engines and matter engines helped control the matter-antimatter reaction assembly. ()

Another type of starship engine, used by the Promellians, was the Lang Cycle fusion engine. ()

See also 
Motor

External link 
 
Propulsion technology