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

Green Car Congress

The Volkswagen Group will begin equipping the Group’s new TSI and TFSI gasoline direct injection engines with gasoline particulate filters (GPF). liter TSI engine in the new VW Tiguan and the Audi A5 in June 2017. This will reduce particulate emissions from the direct injection gasoline engines by up to 90%.

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HyBoost concept achieving close to Prius-level CO2 emissions; aggressive downsizing with advanced boosting and micro-hybrid system

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HyBoost achieves this by combining aggressive 50% downsizing of the engine with an electric supercharger for transient low-speed performance, and a micro-hybrid stop-start and energy recuperation systems, Boggs said. Downsizing the 2.0-liter Click to enlarge. Click to enlarge. —David Boggs. Micro-hybrid market.

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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. Johnson, David R.

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Audi using supplementary port fuel injection to address particulates from gasoline direct injection

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In part-load operation, the indirect injection supplements direct gasoline injection to improve fuel economy and to reduce the output of particulates from the engine. The EU has set a standard for 6 × 10 12 number/km limits between 2014 and 2017, tightening to 6 × 10 11 number/km. Earlier post.). Earlier post.) Earlier post.).

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Rheinmetall logs €250M order for electric vacuum pumps for PHEVs

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The electrical vacuum pump has been developed by Pierburg in Germany, where production started in 2017 for another order of the same customer. Especially for today’s downsized gasoline engines, the electric pumps are also useful since they always guarantee an adequate vacuum level, for example for boosting braking power.

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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 has made three product commitments for 2017 related to its sustainability strategy: to have 500,000 vehicles on the road in the US with some form of electrification ( earlier post ); to double the number of US models that can achieve an EPA-estimated 40 mpg US (5.9 Earlier post.).

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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. —Isenstadt and German (2017). Background. miles per gallon in model year 2016, and 49.1

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