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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.

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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. —Pavlenko et al.

Mariner 427
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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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ICCT finds growth in shipping in Arctic could increase pollutant emissions 150-600% by 2025 with current fuels

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While that report projected vessel activity, it did not explore the environmental impacts of increased shipping in terms of air emissions or the potential climate impacts from increases in short-lived climate pollutants such as black carbon. The emissions report focuses on the low- and mid-range diversion scenarios—i.e., Earlier post.).

Pollution 150
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California settles with cargo terminals over diesel engine exhaust

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Harris announced a settlement with cargo terminals at the ports of Long Beach and Los Angeles over diesel emissions from exhaust that requires the terminals to complete projects to reduce their diesel emissions and better notify the public of emissions. Eagle Marine Services, Ltd.; International Transportation Service, Inc.;

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US EPA Proposes New Emissions Rules for Category 3 Marine Diesel Engines, Tighter Fuel Sulfur Restrictions; Harmonization with International Standards

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As the next steps in a strategy to cut harmful emissions from ocean-going vessels, the US Environmental Protection Agency is proposing new engine emissions and fuel standards for large marine diesel engines on US-flagged ships that would harmonize with international standards. Earlier post.)

Mariner 170
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Rolls-Royce and Robert Allan present world’s first LNG-powered shallow-water push boat

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At the International Workboat Show in New Orleans, classification society DNV GL gave its “Approval in Principle” to the new design. —Christof von Bank, Director of Sales, Marine & Offshore Americas. The lower crew cabins, saloon and galley were moved up one level, and the deckhouse was enlarged.

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