The owner of the first car upgrades their power with a positive-displacement Roots-type supercharger, and the second owner goes for a twin-turbo setup. The whole point of forced induction is to ...

Jaguar will also offer the 240-horsepower 2.0-liter turbo four that's already available ... the engine is latest-generation Roots-type twin vortex supercharger, which is the key to achieving ...