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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. The new engines are part of Rolls-Royce’s Green and High-Tech program.

Gas 418
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ABS grants Alfa Laval the marine industry’s first approval in principle (AIP) for firing boilers with methanol

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Maritime classification society the American Bureau of Shipping (ABS) has granted Alfa Laval the first marine approval for operating boilers on methanol. Marine boilers generate steam for auxiliary machinery for various ship services or, in some cases, for main propulsion. Source: Alfa Laval.

Mariner 416
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Chalmers study finds ship exhaust gas scrubbers responsible for up to 9% of certain hazardous emissions into Baltic Sea

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New research from Chalmers University of Technology, Sweden, finds that the discharge water from ships’ exhaust gas treatment systems—i.e., For many years, we’ve flagged the fact that scrubbers account for disproportionately large emissions of hazardous and acidifying substances into the marine environment. 2022.113904.

Exhaust 170
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ICCT life-cycle analysis finds no climate benefit in using LNG as marine fuel

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The results of a new analysis by the International Council on Clean Transportation (ICCT) show that, when combined with a trend toward higher methane leakage and combustion slip, there is no climate benefit from using liquefied natural gas (LNG) as a marine fuel—regardless of the engine technology.

Mariner 427
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MAN ES and research partners to develop methanol retrofit solutions for medium-speed marine engines; CliNeR-ECo

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MAN Energy Solutions will begin developing methanol retrofit solutions for medium-speed marine engines as part of a research association including WTZ Roßlau gGmbh and TU-Darmstadt. In addition, the project will evaluate the suitability of the methanol retrofit concept for other fuels (Ammonia-NH 3 , Liquefied Natural Gas-LNG).

Mariner 150
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UBC researchers find life-cycle GHG benefits of LNG in marine shipping only from high-pressure dual-fuel engines in ocean-going vessels

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A life-cycle assessment of emissions from domestic and imported liquefied natural gas (LNG), and heavy-fuel oil (HFO) for marine shipping by a team from the University of British Columbia has found that only high-pressure dual-fuel (HPDF) engines robustly reduce well-to-wake GHG emissions by 10% compared with their HFO-fueled counterparts.

Mariner 236
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MAN ES reports Tier III exhaust-after-treatment orders for low-speed engines pass 1,000

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Approximately one-quarter of the orders have been for EGR (Exhaust Gas Recirculation) systems, with SCR (Selective Catalytic Reduction) systems accounting for the remainder. The milestone was passed in early January 2021 and is built upon references from the company’s portfolio of ME-B, ME-C and MC-C fuel-oil engines.

Exhaust 243