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

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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. The FEV variable length connecting rod is part of the third group. Kleeberg, H., Tomazic, D., Tomazic, H. Kleeberg, S.

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Magnetic eCVT could replace conventional hybrid mechanical eCVT with likely 1-2% fuel economy improvement and other benefits

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Magnomatics was founded in 2006 by a group of engineers from the University of Sheffield (UK) to commercialize magnetic gearing and motor technology developed there. million) was provided by IP Group which was matched by Finance Yorkshire. Much further testing and optimization remains to be done, Kirby noted. Background.

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Jaguar adds two new smaller forced induction gasoline engines to 2013 XF and XJ lineup; 8-speed automatic and start-stop

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For the 2013 XF and XJ lineup, Jaguar is adding two new downsized forced induction gasoline powerplants: 3.0-liter The supercharged V8 gasoline engine has fuel economy gains of up to 11% with emissions reductions of more than 8%, while the naturally-aspirated V8 sees economy improvements of up to 8% with emissions down by more than 6%.

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Update on Nissan’s new front-engine, front-wheel drive hybrid system

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At the SAE 2013 Hybrid and Electric Vehicle Technology Symposium in Anaheim this week, Owen Thunes, Senior Project Engineer, Zero Emissions Research Group at Nissan, provided an updated overview of the company’s development efforts on the upcoming FF (Front-engine, Front-wheel drive) hybrid system. Earlier post.) —Owen Thunes.

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Study finds technology cost of achieving European 2020 LDV CO2 targets more than offset by resultant fuel savings

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This first report (Phase I) examines only the impact of improving the efficiency of fossil-fueled vehicles, in which efficiency gains are delivered by the improvement of the internal combustion engine vehicle, including lightweighting, engine downsizing and hybridization. —“An Economic Assessment of Low Carbon Vehicles”.

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Ricardo and Growth Energy Collaborate On First Vehicle-Based Demonstration of Ricardos Ethanol Boosted Direct Injection (EBDI) Engine Technology

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Based on test work already carried out, Ricardo estimates that a fuel economy improvement of up to 30% is possible with no loss of power or performance, using a downsized EBDI engine in place of currently available gasoline powertrain technology. fuel economy improvement. Spark Ignited Engines Product Group.

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Ford study suggests GDI engines can meet coming California and US PM emissions standards over 150k miles; more work to be done

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Homogeneous GDI provides fuel efficiency benefits from charge air cooling, more facile turbocharging, and the downsizing that these permit. The results of this work provide two examples to suggest that GDI vehicles, which are introduced to improve fuel economy, can meet upcoming US and California PM standards over 150K miles of operation.

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