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. In testing, BorgWarner observed fuel consumption improvements of 2% at low speeds to 12% at high speeds with VEMB, according to Thomas. improvement in fuel economy on an E-class vehicle (e.g., Source: Borgwarner.
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