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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 reports successful first running of ammonia two-stroke engine

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MAN Energy Solutions announced the successful first running of a test engine on ammonia at its Research Centre Copenhagen (RCC). This marks a major milestone on our road to developing a full-scale two-stroke ammonia marine engine. This marks a major milestone on our road to developing a full-scale two-stroke ammonia marine engine.

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UH researchers developing autonomous robot for subsea oil and gas pipeline inspection

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To reduce the number of accidents in the global oil and gas industry caused by damaged pipelines, University of Houston researchers are developing an autonomous robot to identify potential pipeline leaks and structural failures during subsea inspections. When larger spills happen, pipelines are often the culprit.

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MAN 175D high-speed engine ready to operate on 100% biofuel

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MAN Energy Solutions’ MAN 175D engine is formally approved for operation on biofuels, effective immediately. This applies to all standard biofuels such as HVO (Hydrotreated Vegetable Oil) and FAME (Fatty Acid Methyl Ester) fuels up to a content of 100%.

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LiquidPiston X-engine can run on propane

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The LiquidPiston (LPI) ( earlier post ) team has adapted and demonstrated the X-Mini engine running on propane fuel. A propane tank was connected to the engine through an EFI propane injector, and the engine ignition timing was retarded in the ECU. LPI X-Mini rotary engine. This testing was preliminary in nature.

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HyMethShip seeks to fuel ship engines with hydrogen from methanol

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The EU-funded HyMethShip project developed a system that innovatively combined a membrane reactor, a CO 2 capture system, a storage system for CO 2 and methanol as well as a hydrogen-fueled combustion engine to power ships. The bottom part shows how hydrogen for the engine is obtained from methanol in the reactor (blue arrow).

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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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