
1) Motorcycle dynamic 2) Vehicle braking technology
Found on
https://www.crosswordclues.com/clue/engine-braking

Engine braking occurs when the retarding forces within an engine are used to slow a vehicle down, as opposed to using an additional external braking mechanisms such as friction brakes or magnetic brakes. The term is often confused with several other types of braking, most notably compression-release braking or `jake braking` which uses a differe.....
Found on
http://en.wikipedia.org/wiki/Engine_braking
No exact match found.