Displacement on demand has been a fuel-saving technology for light-duty gasoline engines for several years now. The technology also holds promise for diesel engines – but in a slightly different way.

Nelson Ireson March 24, 2009 Comment Now! Multi-displacement system, displacement-on-demand, cylinder deactivation - call it what you will, they're all based around the same principle: turn off some ...

As a concept, the internal combustion engine is as old as dirt. To our luck, the ICE is still relevant nowadays thanks to engineering developments such as direct injection, cylinder deactivation, stop ...

Hyundai has filed a patent application for a four-cylinder engine with variable cylinder displacement. The patent application is officially for a “system and method for motor-assisted non-uniform ...

The new Infiniti QX50 might not seem the most natural fodder for these pages, but its engine surely is. Just introduced to the world at the Los Angeles Auto Show, the crossover is powered by the world ...

The MFW fixeddisplacement motor maintains constant torque with varying horsepower. The MVW variabledisplacement motor operates with constant horsepower and variable torque or constant torque or ...

Valve train improvements are an important part of the continued efficiency advancements of internal combustion engines. Today's electronics allow more precise control and different approaches to valve ...

The LV1 is a 4.3-liter six-cylinder engine produced by General Motors for use in large vans. The engine is essentially the same as the 4.3L LV3 V-6, but without Active Fuel Management technology. It ...