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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

It expands all the way to ambient pressure before the exhaust stroke. The power is produced in almost a 50-50 split between the combustion (central) and exhaust (largest) pistons. Starting the gas exchange between two significant volumes at different pressure, leading to a blow-down event, must be avoided.

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Revolutionary engine to make debut

Green Cars News

It is believed that when fully developed with its turbo charged and air hybrid components, the engine will achieve significant gains in fuel efficiency - potentially making it the most significant advance since the Otto cycle more than 130 years ago. Currently the engine prototype is undergoing testing and analysis in San Antonio, Texas.

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