Stellantis debuts the all-new 2.0-liter Hurricane 4 Turbo four-cylinder engine that combines advanced design and engineering ...

Miller cycle engines -- like those once used by Mazda -- make less power more efficiently by holding the intake valve open ...

Most modern gasoline and diesel-powered engines found in the cars and trucks seen on today's roadways rely on the four-cycle-engine principles developed in the late 1800s by Nikolaus Otto, Gottlieb ...