Remove Downsizing Remove Fuel Economy Remove Range Remove Waste
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BorgWarner suggests Valve-Event Modulated Boost system can offer 6-17% fuel economy benefit over already downsized and turbocharged engines

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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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Simulation study suggests ORC waste heat recovery system could deliver potential 7% improvement in fuel consumption in a PHEV on highway

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The analysis used the Ohio State University EcoCAR, a student prototype PHEV, as the basis for the preliminary fuel economy evaluation. This evolution has led to the point where achieving significant fuel savings through the introduction of new technologies has become difficult. The OSU EcoCAR PHEV powertrain.

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ADEPT project to apply gasoline engine HyBoost system to diesel; 48V architecture; full hybrid fuel economy at much lower cost

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The Ricardo-led Advanced Diesel Electric Powertrain (ADEPT) project will apply 48V “intelligent electrification” concepts, mild hybridization and waste heat recovery in a Ford Focus diesel demonstrator. version of its vehicle (a 2009 Ford Focus) but with fuel economy and CO 2 emissions approaching those of a Prius.

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GM to double models with 40 mpg highway or better by 2017; ongoing manufacturing efficiency improvements

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GM’s electrified vehicles today include the extended-range electric Chevrolet Volt, Spark EV and Buick LaCrosse, Regal, Chevrolet Malibu and Impala with eAssist. By recycling and reusing 90% of its manufacturing waste worldwide, the company generates about $1 billion in revenue annually. Earlier post.).

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Downsized 5.5L V8 Biturbo in S 63 AMG Delivers 25% Fuel Savings Compared to Predecessor; Stop-Start is Standard

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The flat torque curve ensures enormous pulling power in all speed ranges: 670 N·m are already available at 1500 rpm, and the maximum torque of 800 N·m is delivered 500 rpm later, remaining constant to 4500 rpm. The wet start-up clutch replaces a conventional torque converter, and helps to save fuel.

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Torotrak and Rotrex Establish Joint Venture to Speed Introduction of Variable Drive Compressor Technology for Boosting

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The new venture, which will be called “Rotrak”, will add Torotrak’s variable speed traction drive to Rotrex’ supercharging technology to address the automotive industry’s need for affordable, effective engine downsizing technologies. Rotrex’ standard product range consists of the C15, C30 and C38 families.

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CPT launching water-cooled electric supercharger for commercial diesel engines

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Cobra could enable a 5–10% reduction in CO 2 emissions when implemented in conjunction with engine downsizing and down speeding strategies, and potentially more when used in conjunction with alternative fuels, according to CPT. The benefits of Cobra to the engine developer and end user depend on the application.

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