Last month's "How It Works" story gave you the basics of the four-stroke cycle, describing the motion of the intake and exhaust valves in relation to the piston moving up and down in the cylinder.

One of the turbo engine's most iconic sounds is called the turbo flutter. That "stu-tu-tu-tu" sound the Nissan Skyline GTR R34 makes as the throttle closes is the sound of compressed air escaping past ...

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 ...

The emissions system of a modern automobile comprises many parts, and they collectively help reduce pollutants and other toxic gases from harming the planet and causing respiratory disorders. These ...

The 3.3L V6 twin-turbo in the 2018 Kia Stinger won a 2018 Ward’s Auto 10 Best Engines award. The aluminum engine produces 365 horsepower and 376 lb-ft of torque. The engine has a wide range of useful ...