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BorgWarner suggests Valve-Event Modulated Boost system can offer 6-17% fuel economy benefit over already downsized and turbocharged engines

Green Car Congress

The concentric camshaft features one set of lobes connected to the phaser sprocket, and a second set next to it is connected to phaser. to 2 ratio points and maintain the same knock limit for an additional 3-4% improvement in fuel economy. improvement in fuel economy on an E-class vehicle (e.g.,

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FEV’s two-stage VCR system; 5-7% increase in fuel economy using variable length conrods

Green Car Congress

Use of a variable compression ratio (VCR) could be one technology approach to reducing fuel consumption in highly boosted (e.g., downsized, turbocharged) gasoline engine, as operating an engine with higher compression ratios at low load can increase fuel economy compared to operating an engine with fixed compression ratio.

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Volvo to concentrate on hybrids and downsized engines for US

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Volvo Car Corporation will rely on a powertrain strategy based on its new downsized 4-cylinder VEA (Volvo Environmental Architecture) engine platform ( earlier post ) and hybrids for the US market, said John Maloney, recently appointed President of Volvo Cars, US, in an interview at the Detroit Auto Show. Click to enlarge.

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Ford launching major new product push in Europe; fuel economy and 1.0L EcoBoost engine; first Ford full hybrid car for Europe

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At a “Go Further with Ford” event in Amsterdam, Ford Motor Company detailed plans for an aggressive product acceleration in Europe, targeting opportunities for growth in the large car, SUV and commercial vehicle segments while emphasizing fuel economy and enabling technologies such as the EcoBoost engines. liter EcoBoost engine.

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Volkswagen of America bringing in downsized 1.8L EA888 engine to displace 2.5L; all vehicles E15 capable

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Volkswagen predicts fuel highway fuel economy will improve by up to 17% with the downsized engine. Volkswagen will introduce its VW Car-Net connected services this fall as part of the 2014 model lineup. The Beetle and Beetle Convertible 2.5-liter liter engine will be replaced by the 1.8-liter s hydraulic setup.

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Center for Automotive Research calls long-run economic risk to auto industry of mandating permanent fuel economy standards very serious; recommends periodic reviews

Green Car Congress

Based on the results of the study, CAR believes the economic risk to the auto industry connected to mandating permanent fuel economy standards in the long run is “ very serious ” The group recommends periodic review to assess the rate of technology development and cost reduction of advanced technologies leading up to 2025.

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A123: Increasing 48V battery power up to ~25 kW enables advanced mild hybrid capabilities with greater fuel savings

Green Car Congress

Improving battery power to such as level would further enable hybridization to near-HEV levels as well as engine downsizing, thereby enabling fuel economy improvements beyond the current 10-15% MHEV limit. The BISG is connected to a 48 V (nominal battery) and also typically to a 12V powernet via a DC/DC convertor.