BorgWarner suggests Valve-Event Modulated Boost system can offer 6-17% fuel economy benefit over already downsized and turbocharged engines
Green Car Congress
MAY 9, 2012
The company originally described the system in a 2010 SAE paper (2010-01-1222) and at the 2010 World Congress. As another method to avoid pumping losses and improve efficiency, Thomas described a low-cost virtual cylinder deactivation technology that delivers 90% of the fuel economy benefit of a full mechanical cylinder deactivation system.
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