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Mercedes-Benz presents prototype Unimog with hydrogen combustion engine; multi-power distribution

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At this year’s demopark open-air exhibition, Mercedes-Benz is presenting a prototype of the Unimog based on the U 430 with hydrogen-powered combustion engine as part of the publicly funded “WaVe” project. The hydrogen engine is provided by Keyou and is equipped with H2PFI injectors made by Hoerbiger.

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Wärtsilä hybrid propulsion system with methanol engine to power four SAL heavy lift vessels; wind farm installations

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Wärtsilä’s hybrid system will feature a variable-speed Wärtsilä 32 main engine capable of operating with methanol fuel. They will also be the first methanol capable ships to employ a variable speed main engine in a hybrid installation. —Dr Martin Harren, Owner and CEO of SAL Heavy Lift.

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Load-control strategies for ammonia-hydrogen dual-fuel engine for hybrid power systems

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A team at Beijing University of Technology has evaluated four load control strategies—throttle, ammonia-hydrogen ratio, air–fuel ratio, and variable valve timing—for an ammonia-hydrogen dual fuel Miller cycle spark ignition engine in a hybrid system. The engine—a Miller cycle engine with a compression ratio of 10.7—was

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MAN supplying mixed medium- and high-speed engines for hybrid foundation/wind turbine installation vessels

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MAN Energy Solutions has won a fourth order to supply engines to Chinese shipbuilder, COSCO Heavy Industries, in Qidong for the construction of a second F-Class installation vessel used for the installation of offshore wind turbines and foundations. The four vessels are scheduled for delivery from 2024 through 2026.

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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. The tests, carried out by the Power Systems business unit, showed very good characteristics in terms of efficiency, performance, emissions and combustion. We are very pleased with the rapid progress.

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Raven SR waste-to-hydrogen plant in California to be powered by INNIO Jenbacher’s Ready-for-H2 engines

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Raven SR plans to use INNIO’s Jenbacher engines [60 Hz] with a “Ready for H2” option to produce renewable energy. The energy system will power and heat Raven SR’s S-Series hydrogen production facility at a sanitary landfill in Richmond, California. The hydrogen product will be resold to power fuel cells in heavy-duty trucks.

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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 has also installed one of the hydrogen engines into a 7.5

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