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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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Optimized heavy-duty CI engine fueled with DME delivers diesel performance, significantly reduces engine-out emissions

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A team from Empa - Swiss Federal Laboratories for Materials Science and Technology and FPT Motorenforschung reports in an open-access paper in the journal Fuel on the performance and emission characteristics of an 11-liter heavy-duty compression ignition engine which was optimized specifically for DME (dimethyl ether) combustion. from 16.5)

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MAN Energy launches industry consortium to develop medium-speed, ammonia-fueled engine

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MAN Energy Solutions has begun the ‘AmmoniaMot’ project. Initiated by MAN with partners from industry and research institutes, it aims to define the steps necessary to produce a dual-fuel, medium-speed engine capable of running on diesel-fuel and ammonia. Alexander Knafl, Head of R&D, Four-Stroke Engineering, MAN Energy Solutions.

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Commercially operated Wärtsilä engine runs on 25 vol% hydrogen blend

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The technology group Wärtsilä and WEC Energy Group have successfully tested the capabilities of a Wärtsilä engine running on 25 vol% hydrogen-blended fuel. The tests, which were completed in October 2022, were conducted at WEC Energy Group’s 55 MW A.J. Mihm power plant in Michigan using an unmodified Wärtsilä 18V50SG engine.

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Airbus developing hydrogen fuel cell engine

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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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JCB unveils hydrogen engine at Conexpo

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inline-four hydrogen combustion engine (448 ABH2)—the company’s zero-carbon emissions solution for construction and agricultural equipment—at the Conexpo 2023 show in Las Vegas as part of the International Fluid Power Exposition (IFPE). JCB is investing £100 million in the project to produce super-efficient hydrogen engines.

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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.