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
Turbo boost can be controlled by changing the timing of the exhaust valves—no waste gate is required. to 2 ratio points and maintain the same knock limit for an additional 3-4% improvement in fuel economy. to 2 ratio points and maintain the same knock limit for an additional 3-4% improvement in fuel economy. and Sisson, J.
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