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Small-displacement two-stroke H2 engine could address performance and emissions cost-effectively for recreational market; potential for Asian motor vehicle fleet

Green Car Congress

Comparison of brake thermal efficiency and specific fuel consumption at rated power (ICOMIA Mode 5), hydrogen vs. gasoline engines. Such an engine could provide a cost-effective solution for small recreational vehicle- and motorcycle applications. Oh and Plante. Click to enlarge. Lubrication proved to be an issue.

Engine 329
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EPA Awards $2M to Small Businesses to Develop Sustainable Technologies; Includes Biofuel, Emissions Reduction Projects

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The diesel made from biomass will be a direct substitute for ultra low-sulfur diesel (defined by ASTM D 975). The biomass waste will first be converted into pyrolysis oil and then upgraded to diesel. The process uses a new approach to upgrading pyrolysis bio oil and does not produce excessive by-products. Lynntech Inc.,

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DOE to award up to $184M for advanced vehicle research and development in 8 areas of interest

Green Car Congress

This subtopic seeks research and development projects on novel lubricant formulations expected to improve the efficiency of advanced combustion regime engines by at least 10% (improvement based on comparison to similarly configured 2002 or later commercially available combustion engine). Subtopics include: Low-Cost Development of Magnesium.

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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

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Comparison of ISFC (@42.9 Pinnacle Engines’ 110cc production-intent prototype packaged for a motorcycle application. For a comparison engine, Pinnacle used a 200 cc, conventional two-valve, air-cooled, carbureted model. The sleeve valves have a short heat rejection path directly to lube oil. Source: Pinnacle.

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