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

Green Car Congress

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. The engine has two intake and two exhaust valves per cylinder.

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Concept Engine: Ilmor Engineering to Show Cutaway of 5-Stroke Engine at Engine EXPO

Green Car Congress

Rendering of the Ilmor 5-stroke concept engine. Ilmor Engineering will present a new cutaway version of the Ilmor 5-stroke concept engine at the upcoming Engine EXPO 2009, 16-18 June, in Stuttgart, Germany. The 5-stroke concept engine is a self-funded proof of concept. Click to enlarge.

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Concept: Honda RD Developing Variable Compression Ratio Engine with Dual Piston Mechanism

Green Car Congress

Engineers from Honda R&D Co., presented a pair of papers at the SAE 2009 World Congress describing the development of a variable compression ratio (VCR) engine enabled by a dual piston mechanism. Kawajiri (2009) Advanced Control System of Variable Compression Ratio (VCR) Engine with Dual Piston Mechanism (SAE 2009-01-1063).

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ECONAMIQ: Flexible over-expansion with cylinder deactivation can reduce ICE fuel consumption by up to 20%

Green Car Congress

Hybrid electric vehicles could especially benefit from this new technology, since the rapid engine warm up and high efficiency cycle that ECONAMIQ offers uses less fuel during power-assisted operation or battery charging.

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Bosch showcasing wide range of future commercial vehicle technologies at NACV; automated, connected and electric

Green Car Congress

Powertrain concepts. At NACV 2017, Bosch is also showcasing several future-focused powertrain concepts engineered to save fuel and money while extending the lives of fleets. The design calls for a scalable battery that makes an all-electric driving range feasible, enabling zero local emissions driving in city centers.

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