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Volkswagen Group to begin equipping TSI and TFSI engines with gasoline particulate filters from June 2017

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The Volkswagen Group will begin equipping the Group’s new TSI and TFSI gasoline direct injection engines with gasoline particulate filters (GPF). This will reduce particulate emissions from the direct injection gasoline engines by up to 90%. liter TSI engine in the new VW Tiguan and the Audi A5 in June 2017. Johnson, T.,

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Simulation study finds “Millerizing” the Scuderi split-cycle engine could enable 50% engine downsizing with retention of power and torque, along with reduced fuel consumption

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Simulation study finds Miller version of Scuderi engine can deliver twice the BMEP as naturally aspirated version, theoretically enabling 50% downsizing while maintaining performance. Applying the Miller cycle to the Scuderi engine (right) entails downsizing of the compression cylinder. Source: Scuderi. Click to enlarge.

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Study finds catalyzed gasoline particulate filters effective at reducing particulate and PAH emissions from GDI engines

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The researchers assessed the gaseous, particulate, and genotoxic pollutants from two current technology gasoline direct injection vehicles when tested in their original configuration and with a catalyzed gasoline particulate filter (GPF). liter downsized turbocharged centrally-mounted direct injection engine.

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ICCT working paper highlights benefits of current and emerging light-duty diesel technology; “promising pathway for compliance”

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The ICCT team—John German and Aaron Isenstadt—concluded that diesels have and will retain two significant advantages over gasoline engines: significantly better fuel economy and cargo hauling and towing ability. Diesels offer a promising pathway for compliance and another option in manufacturers’ toolboxes. ”. Background.

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Peugeot 208 features new generation of 3-cylinder gasoline and Stop & Start System (e-HDi) diesel engines

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The new Peugeot 208 B-segment supermini, which launches this spring in Europe, will be available in 3- and 5-door bodystyles with a range of gasoline and diesel engines including a new 3-cylinder gasoline engine range and the latest generation of Stop & Start System (e-HDi) diesel engines. 208 gasoline range.

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Ricardo’s “deep” Miller cycle concept: Magma

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In its new report on downsized and boosted gasoline engine technologies ( earlier post ) the ICCT highlighted Ricardo’s work on an “extreme” Miller cycle concept with high (13:1) compression ratio (CR) and central direct injection in a downsized boosted engine. Source: Lewin (2016). Click to enlarge. Resources.

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Honeywell Global Turbo Forecast projects 49M turbocharged vehicle sales, $12B revenue per year by 2019

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Automakers are turning to downsized turbocharged engines to satisfy more stringent global fuel economy and emission regulations and customer demand for better-performing vehicles. In addition to improving fuel efficiency, downsized turbocharged engines also reduce harmful exhaust emissions.

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