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 concentric camshaft features one set of lobes connected to the phaser sprocket, and a second set next to it is connected to phaser. 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.,
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