In 2005, GM introduced their "Active Fuel Management" cylinder deactivation system (in the Generation IV small-block) which, similar to Chrysler's MDS, switched off half of the cylinders. In 2018 GM introduced an improved system called "Dynamic Fuel Management" that shuts off any number of cylinders, in a variety of combinations, depending on immediate needs. The system is based on "Dynamic Skip Fire," a technology developed by California company Tula Technology and the 6.2L engine incorporating it was named one of Ward's 10 Best Engines for 2019.