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Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

Green Car Congress

Cost of the new engine relative to gasoline baseline. The technical focus over the last year has been on new engine installation and performance assessments. The approach that Cummins and partners have taken features: Replacing the aluminium V8 gasoline engine and emission control system with smaller diesel (2.8-liter)

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Volvo to concentrate on hybrids and downsized engines for US

Green Car Congress

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. Earlier post.) Earlier post.)

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BorgWarner expanding variable cam timing technology for I4 engines; OEM diesel and gasoline applications in 2015

Green Car Congress

Each phaser also features an integrated center bolt and spool valve for smaller package size and easier installation. The technology is planned to launch with a major global automaker on diesel and gasoline applications in 2015. Earlier post.) Both will be supported by production at a new facility in Eastern Europe.

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Torotrak to present extreme engine downsizing solution at Dresden supercharging conference

Green Car Congress

V-Charge system with mechanical variable drive outperforms conventional boosting methods on downsized gasoline engine. This signals the potential for a new level of downsizing, enabling the industry to further reduce the CO 2 output of high volume vehicles without compromising driver satisfaction. Click to enlarge.

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DENSO develops compact EGR cooler for gasoline engines; applied in Prius c

Green Car Congress

DENSO Corporation has developed its first EGR cooler for gasoline engines. This EGR cooler is installed in Toyota’s Camry and Aqua (Prius c). Click to enlarge. The newly developed EGR (exhaust gas recirculation) cooler is 30% smaller than the smallest one currently available on the market, while offering equal performance.

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

Green Car Congress

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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Testing confirms Torotrak V-Charge variable drive mechanical supercharger enables more ambitious downsizing; 1.0L demo at Aachen

Green Car Congress

Independent on-engine test results have verified the simulation predictions that a Torotrak V-Charge variable drive mechanical supercharger enables more ambitious levels of engine downsizing. Next generation downsizing and downspeeding remain the industry’s best near-term solutions for reducing carbon emissions.