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 ...
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 ...
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