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Study Finds Strong Synergy Between Spark Ignition Engine Downsizing and Low-to-Moderate Alcohol Blend Fuels

Green Car Congress

A study by engineers from Mahle Powertrain Ltd and BP found strong synergy between spark ignition (SI) engine downsizing and fuel containing low-to-moderate amounts of alcohol, including ethanol and butanol. The team presented a paper on their work at the recent SAE 2009 World Congress in Detroit. Cairns et al. SAE 2009-01-0138).

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ETH Zürich Developing Pneumatic Hybrid Engine; Approaches Hybrid-Electric Performance at Lower Cost

Green Car Congress

A member of the ETH research team, which is led by Lino Guzzella, Professor of Thermotronics, will present a paper on their work at the upcoming SAE World Congress 2009 in Detroit in April—one of a number to be presented on the topic there. The compressed air supply also allows extreme downsizing. Dönitz et al. Sasa Trajkovic et al.

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FEV to Show GT2 2-Stage Turbo Charging Unit at SAE World Congress

Green Car Congress

Right : Comparison of CO 2 -emissions and performance of the GT2-concept. FEV) a leading developer of advanced powertrain and vehicle technologies, will show its GT2 2-Stage Turbocharging System at the upcoming 2010 SAE World Congress, 13-15 April in Detroit. Left : Full load engine torque curves. Source: FEV. Click to enlarge.

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Pinnacle 4-stroke opposed-piston SI engine shows fuel economy improvements of between 30-60% at light loads, 12-30% at medium loads over conventional

Green Car Congress

Comparison of ISFC (@42.9 The company presented these latest test results in a paper at the SAE 2012 World Congress in Detroit. For a comparison engine, Pinnacle used a 200 cc, conventional two-valve, air-cooled, carbureted model. MJ/kg) (4000 RPM) between 250cc Pinnacle and 200cc poppet valve engine. Source: Pinnacle.

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