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FEV to show compressed natural gas light-duty concept engine with ATAC combustion system at 2011 SAE World Congress

Green Car Congress

FEV developed ATAC more than a decade ago, targeting large-bore engines in stationary and heavy-duty applications. The lean burn combustion process also offers significant improvements in fuel consumption and CO 2 emissions in comparison with more conventional CNG technology as a result of dethrottling and better combustion efficiency.

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Volvo Cars reveals triple-boosted 4-cylinder, 450 hp Drive-E powertrain concept

Green Car Congress

Drive-E Powertrain Concept. Volvo has developed a concept 2-liter, 4-cylinder, triple-boost Drive-E concept engine that delivers 450 hp (336 kW). The 450 hp High Performance Drive-E Powertrain Concept is based on a set of technologies not usually found in a four-cylinder engine. Click to enlarge.

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Motiv Engines introduces 2nd-generation split-cycle concept; MkII Clarke-Brayton heavy-duty engine being designed for LNG

Green Car Congress

This is a major step toward our goal of building the most efficient engine in the world for trucks, automobiles and power generation. The improvement in efficiency and the use of natural gas makes this engine a natural fit to meet the upcoming greenhouse gas emissions regulations while reducing costs for operators.

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Liquid Air Energy Network forms in UK; focus on transportation and energy storage

Green Car Congress

A cryogenic engine such as the Dearman piston engine produces zero emissions at the point of use; has low greenhouse gas emissions provided the liquid air or nitrogen is produced from low carbon electricity; has energy and power density on a level with battery electric technology; and has the potential for rapid refueling.

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ETI announces £2.5M lower drivetrain HDV efficiency project

Green Car Congress

Romax will be responsible for the lower drivetrain design and analysis, Castrol Ltd will work on oil development and ANSYS will model the lubrication system with its engineering simulation technology. When we launched our HDV efficiency program we stated a belief that HDV carbon dioxide emissions could be reduced by up to one-third.

Mariner 231
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Achates Power developing light-duty two-stroke opposed-piston diesel engine: the OP4

Green Car Congress

Achates Power, which is developing a family of two-stroke, compression-ignition (CI) opposed-piston (OP) engines, has designed and is developing a light-duty diesel concept engine, the OP4. Throughout emissions cycle load points, the OP4 demonstrated 0.4 g/kWh engine-out NO x. Air handling system for the OP4.

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LiquidPiston introduces latest X-series version of HEHC rotary engine; targeting 58% peak BTE, 2 hp/lb power density

Green Car Congress

(LPI), the developer of engines based on its High Efficiency Hybrid Cycle (HEHC)( earlier post ), introduced the latest version of its X-series of rotary engines embodying HEHC at the US Department of Energy’s (DOE) 2012 Directions in Engine-Efficiency and Emissions Research (DEER) Conference in Dearborn, Michigan.

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