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Aquarius Engines unveils free-piston linear engine operating on 100% hydrogen

Green Car Congress

Israel-based Aquarius Engines unveiled a hydrogen-fueled version of its free-piston linear engine new hydrogen engine. The 10kg machine, based on the same technology as the original patented single-piston linear engine, operates exclusively on hydrogen.

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Wärtsilä gas engines to burn 100% hydrogen

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The technology group Wärtsilä is developing the combustion process in its gas engines to enable them to burn 100% hydrogen fuel. Wärtsilä has researched hydrogen as a fuel for 20 years, and has tested its engines with blends of up to 60% hydrogen and 40% natural gas.

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Mercedes-AMG, Garrett developing 48V electric exhaust gas turbocharger

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An electric exhaust gas turbocharger, which in future will be used for the first time in a series production model, is already in the final stages of development. This electronically-controlled electric motor drives the compressor wheel before this accepts the exhaust gas flow.

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Cummins to introduce 15-liter natural gas engine for North America; basis for hydrogen engine under development

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will bring to market a 15-liter natural gas engine for heavy-duty trucks. The 15-liter natural gas engine is an important part of Cummins strategy for its path to zero emissions. —Srikanth Padmanabhan, President, Engine Business, Cummins. Cummins Inc.

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Rolls-Royce successfully tests 12-cylinder mtu engine with pure hydrogen

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Rolls-Royce has conducted successful tests of a 12-cylinder gas variant of the mtu Series 4000 L64 engine running on 100% hydrogen fuel. For several months, the mtu gas engine has been undergoing bench testing and continuous improvement in terms of efficiency, performance, emissions and combustion using 100% hydrogen as fuel.

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Yuchai ignites 16L hydrogen engine

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The Yuchai YCK16H hydrogen-fueled engine was successfully ignited in Yulin, Guangxi. The engine, with a displacement of 15.93 liters and a maximum horsepower of 560 hp, is the largest hydrogen-fueled engine with the largest displacement and horsepower in China.

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Airbus developing hydrogen fuel cell engine

Green Car Congress

Airbus is developing a hydrogen-powered fuel cell engine. Airbus will start ground and flight testing this fuel cell engine architecture onboard its ZEROe demonstrator aircraft towards the middle of the decade. A hydrogen gas turbine can also be coupled with fuel cells instead of batteries in a hybrid-electric architecture.

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