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

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By over-expanding into adjacent de-activated cylinders, ECONAMIQ creates an additional power stroke within the existing engine architecture, with a significant thermal efficiency increase and cost savings as a result. Using the virtual simulation environment GT-Power, this cycle is applied to a 4-cylinder SI engine.

Fuel 186
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Liquid Air Energy Network forms in UK; focus on transportation and energy storage

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Example power cycle of the cryogenic (e.g., liquid air) Dearman piston engine. Source: Dearman Engine Company. Since the boiling point of liquid air is far below ambient temperatures, the environment can provide all the heat needed to make liquid air boil. Click to enlarge.