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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. First, it contains very little sulfur.

Mariner 427
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ORNL computational study finds 15% bio-oil mixture in two-stroke marine engines can cut NOx 13% with efficiency parity

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A team at Oak Ridge National Laboratory (ORNL) has developed a new computational model of a two-stroke scaled marine engine, with reduced chemical mechanisms for diesel, biodiesel, bio-oil, and polycyclic aromatic hydrocarbons (PAH). This work aims to develop a computational model of a scaled marine engine. —Chuahy et al.

Mariner 170
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EU research project IDEALFUEL seeks to develop marine low-sulfur heavy fuel oils from biomass; Bio-HFO

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In an EU-funded research project, an international consortium is aiming to develop new production methods for sustainable marine fuels to replace heavy fuel oils in shipping. IDEALFUEL seeks to develop methods to convert woody residual and waste materials such as sawdust and wood chips into renewable marine fuels.

Mariner 273
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Study finds coal trains add significant amount of PM2.5 pollution in urban areas

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Coal trains and terminal operations add a significant amount of fine particulate matter (PM 2.5 ) pollution to urban areas—more so than other freight or passenger trains— according to a study conducted in Richmond, California, by the University of California, Davis. The results indicate coal trains add on average 8.32

Coal 300
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International Maritime Organization (IMO) adopts revised strategy to reduce GHG emissions from international shipping.

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Member States of the International Maritime Organization (IMO), meeting at the Marine Environment Protection Committee (MEPC 80) earlier this month, adopted the 2023 IMO Strategy on Reduction of GHG Emissions from Ships.

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Toshiba’s SCiB Li-ion battery system Japan’s first recognized compliant with ClassNK guidline for marine vessels

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At a time when pollution regulations are increasingly focused on the emissions ships generate, the SCiB will contribute to the protection of the marine and global environments. Ships are responsible for about 800 million metric tons of CO 2 every year, roughly equivalent to the annual emission of Germany.

Mariner 321
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Neste charters two new lower-emission tankers from Terntank; methanol and sails

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Neste has signed an agreement to charter two new lower-emission product tankers from Terntank. The tankers will transport a wide variety of liquid cargoes including renewable raw materials such as waste and residue oils and fats to Neste’s refineries.

Emissions 300