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

Green Car Congress

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. There have been a number of concepts proposed to enable such VCR systems.

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

Green Car Congress

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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First Drive: 2016 Hyundai Sonata PHEV and HEV

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Although theoretically a non-ZEV state buyer could special order the PHEV, said Brandon Ramirez, Senior Group Manager, Product Planning, Hyundai won’t encourage it—partly due to dealer training, support and infrastructure issues that also require their own roll-out. Sonata models. Charge by ISG. Song et al. Click to enlarge. Song et al.

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Volkswagen Group introducing Modular Transverse Matrix this year; new engine families, lighter weight construction, powertrain flexibility

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This year, Volkswagen Group will introduce the Modular Transverse Matrix (MQB, modularen Querbaukasten) for the Volkswagen, Audi, ŠKODA and SEAT brands. (At Volkswagen has already announced the launch of the latter within the MQB in 2013 in the new Golf Blue-e-Motion. Drive systems in the MQB. Click to enlarge. Earlier post. ).

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Exploring gasoline-range naphtha as a low-soot, low-NOx alternative compression ignition fuel

Green Car Congress

A number of papers from Kalghatgi and his colleagues—and now other groups, including Tsinghua University in China and the Eindhoven University of Technology—have been published recently, exploring different aspects of this approach. Based on these engine studies, they installed a downsized four-cylinder 1.6-liter

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How Carmakers Are Responding to the Plug-In Hybrid Opportunity

Tony Karrer Delicious EVdriven

Hybrid Sonata model year 2011, possible PHEV version in 2013. Chicago Tribune ) DaimlerChrysler 12/22/06 [DaimlerChrysler Group research chief Thomas Weber] played down the importance for passenger cars of plug-in hybrid technology that is getting lots of attention in the U.S. No announced plans. We hope Ford will, and then move ahead!

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Ford Making Aggressive Push With EcoBoost and Technologies Such as Ti-VCT for Improved Fuel Economy; Roadmap for Future Generations of EcoBoost Highlights Role as Company Strategy as Well as Product

Green Car Congress

As part of an aggressive deployment strategy for improving fuel efficiency across its product line-up in the near-to medium-term, Ford will offer its first-generation turbocharged, gasoline direct-injection EcoBoost engines ( earlier post ) in 90% of its product lineup by 2013. Planning background. ” First-generation EcoBoost.