Since 2005, the Gen III HEMI engine (which, fun fact, aren't actually hemis) has sported a feature called MDS, standing for Multi Displacement System, the first of its kind in its respective vehicle ...

26 September 2005 With the price of petrol on the increase across the Middle East region, fuel economy, traditionally a minimal factor in the vehicle purchase making decision, is becoming a more ...

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 ...

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.

Chrysler Group has offered the following simple tips to help owners of engines with Multi-Displacement System (MDS) get the most fuel mileage possible from their 5.7L HEMI V-8 engine. The customer ...

Chrysler Group said it will offer the Multi-Displacement System (MDS) to its Ram trucks equipped with the HEMI engine. Currently the Chrysler 300C, Magnum R/T and HEMI-powered Jeep Grand Cherokee ...