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Swiss team concludes that particulate filters should be mandatory for GDI engines

Green Car Congress

Based on a three-year study of toxic and environmentally relevant pollutants from gasoline direct injection (GDI) engines, Swiss researchers have concluded that some GDI engines emit just as many soot particles as unfiltered diesel cars did in the past. Further, the GDI particles carry numerous carcinogenic substances. Click to enlarge.

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LiquidPiston unveils 70cc rotary gasoline engine prototype embodying HEHC; power dense, low-vibration

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Conference today in Pisa, Italy. The X Mini 70cc rotary gasoline engine. As the engine does not have poppet valves and the gas is fully expanded before the exhaust stroke starts, the engine also has potential to be quiet. The compact engine with a 4-lb (1.8 " x 6.2" " x 5.4" Click to enlarge.

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DOEs Upcoming Renamed DEER Conference Expands Technology Focus Beyond Diesel

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The acronym is the same, but the US Department of Energy’s renamed 15 th DEER conference ( DEER 2009 ), to be held in Dearborn, Michigan 3-6 August, will feature a greatly expanded program extending well beyond its origin in diesel engine emissions reduction to include other engine technologies, advanced combustion processes, and fuels.

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New Efficient Supercharger with Variable Drive for Downsized Gasoline Engines

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Rotrak, the new 50:50 joint-venture between traction drive specialist Torotrak plc and centrifugal supercharger company Rotrex AS, will present a highly efficient supercharger system in a paper at the 15 th Supercharging Conference in Dresden on 24 September. —Torotrak engineering manager David Burtt, co-author of the paper.

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Clemson research developing integrated modeling and control systems to reduce particulates from GDI engines

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Simona Onori, an assistant professor at Clemson University, has received a $500,000 Faculty Early Career Development Program (CAREER) award from the National Science Foundation to advance her work to develop integrated modeling and control for aftertreatment systems to reduce fine-particle emissions from gasoline direct injection (GDI) engines.

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Hyundai Motor Group outlines new powertrain strategy: Smart Stream targeting 50% thermal efficiency

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Hyundai Motor Group outlined its future powertrain development strategy at its International Powertrain Conference in Korea. At the conference, Hyundai Motor Group is displaying the first four engines and two transmissions from its forthcoming line-up of new Smart Stream powertrains. Beginning with the introduction of 1.6-liter

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Hyundai Motor Group showcases new Gamma 1.6 T-GDI and Euro6 R-2.0 diesel engines

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Hyundai Motor Group is showcasing at the11 th Hyundai-Kia International Powertrain Conference two new powertrains fully developed in-house: the Gamma 1.6 diesel engine, applies technologies such as low-pressure exhaust gas recirculation to meet coming Euro6 specifications, was also introduced during the conference.

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