Every aspect of an engine is a compromise: torque for horsepower, efficiency for emissions, performance for fuel economy, compression for octane tolerance. During the evolution of the internal ...

General Motors’ all-new 3.9L V6 has been honored with a Breakthrough Technology award by Popular Mechanics for its innovative use of variable valve timing in an overhead valve engine. For ages GM has ...

Honda did not invent variable valve timing or variable valve lift. In fact, Cadillac had a driver-operated variable valve timing system in production in 1903, three years before Soichiro Honda was ...

Although Nissan has been in the doldrums ever since getting purchased by Renault in the early 2000s, it once had a reputation ...

Variable Valve Timing isn’t a new concept in motorcycle engines. The likes of BMW and Yamaha have been using this setup in their motorcycles for a while now. Even Suzuki itself implemented it on the ...

If you thought the humble four-pot was only suitable for economy cars, then this list is going to warp your reality.

Intelligent power management company Eaton recently announced it has been chosen to supply an electromechanical actuation system that can deliver an early intake valve closing to the China-based ...