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Orbital Corporation and Changan to Develop Concept Engine

Green Car Congress

The ChangAn CA18 FlexDI Concept Engine shown at Auto China 2008. Ltd, China’s fourth largest automotive manufacturer, have entered into a joint development contract for a concept engine. If the program is successful, Changan plans to take the FlexDI concept engine to mass production in a Changan vehicle.

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

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FEV) a leading developer of advanced powertrain and vehicle technologies, will exhibit a lean burn engine concept at the SAE 2011 World Congress that has been modified to run on Compressed Natural Gas (CNG). FEV developed ATAC more than a decade ago, targeting large-bore engines in stationary and heavy-duty applications.

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Grail Engine Adopts Enerpulse Pulse Plugs for Forced Semi-Homogeneous Charged Compression Ignition in Concept Two-Stroke Engine

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Rendering of the Grail Engine. Grail Engine Technologies , the designer of a two-stroke engine using forced semi-homogeneous charged compression ignition (FS-HCCI) combustion, has adopted the Pulstar pulse plugs from Enerpulse ( earlier post ). Elements of the Grail Engine. Click to enlarge. Matthew Riley.

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SEC issues cease-and-desist order against split-cycle engine developer Scuderi Group for violations of Securities Act

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The Scuderi Engine is a split-cycle design that divides the four strokes of a conventional combustion cycle over two paired cylinders. The Scuderi Engine is a split-cycle design that divides the four strokes of a conventional combustion cycle over two paired cylinders. a more efficient internal combustion engine. Earlier post.).

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Concept: Downsized and Supercharged Hybrid Pneumatic Engine for 30%+ Reduction in Fuel Consumption

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Schematic of downsized and supercharged four-stroke hybrid pneumatic spark injection engine. The reduction in fuel consumption is obtained mainly through enabling the effective use of a heavily downsized engine, rather than from regenerative efficiency. Source: ETH Zürich. Click to enlarge. Earlier post.). Dönitz et al.

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New split-cycle concept to control diesel HCCI combustion

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Turbocharged HCPC engine scheme. A team from Universita degli Studi di Pisa (Italy) and Rolf Reitz at the University of Wisconsin-Madison are proposing a novel combustion concept—Homogenous Charge Progressive Combustion (HCPC)—based on a split-cycle principle to control HCCI combustion in diesel-fueled engines.

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Experts view on future transportation fuels

Green Car Congress

Since internal combustion engines will remain the primary mode of choice for mobility in the foreseeable future, both alternative (renewable) fuels and high-performance combustion concepts/ engines using fuels adapted for that purpose will be preferred for reducing the combustion impact on climate change.