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Rolls-Royce supplying two mtu gas engines for first LNG-hybrid tugboat

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Rolls-Royce is supplying two mtu 16V 4000 M55RN gas engines to Sembcorp Marine Integrated Yard for the construction of the first liquefied natural gas (LNG)-hybrid powered tug. This is the first LNG-hybrid tug to be powered by mtu gas engines.

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Chevron, Cummins team on renewable natural gas engine demonstration with Walmart

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Chevron USA, a subsidiary of Chevron Corporation, announced definitive agreements to supply fuel linked to renewable natural gas for a Walmart Inc. demonstration of Cummins’s new 15-liter natural gas engine for heavy-duty trucks ( earlier post ).

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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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First MAN ME-GA Otto-cycle engine completes gas trials

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MAN Energy Solutions announced that the first ME-GA engine has completed gas trials aboard an LNG carrier built by Hyundai Samho Heavy Industries (HSHI) for Norwegian shipping company, Knutsen OAS Shipping. The new engine is an Otto-cycle variant of the company’s successful ME-GI engine. —Thomas S.

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Mitsubishi Shipbuilding completes delivery of ammonia fuel supply system for large, low-speed two-stroke marine engines

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Mitsubishi Shipbuilding, a part of Mitsubishi Heavy Industries (MHI) Group, has completed delivery of an ammonia fuel supply system for large, low-speed two-stroke marine engines, to Japan Engine Corporation (J-ENG), a manufacturer of marine engines.

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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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