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Torqueedo introduces 80 kWh cell-to-pack LFP option for marine batteries; doubles range

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Torqeedo GmbH announced a new battery option for its Deep Blue series of marine electric drives: Deep Blue Battery 80. The new battery was unveiled at the Electric & Hybrid Marine World Expo in Amsterdam, Netherlands.

Mariner 370
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US MARAD study finds marine use of natural gas substantially reduces some air pollutants and slightly reduces GHG emissions

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A recently released total fuel cycle analysis for maritime case studies shows that natural gas fuels reduce some air quality pollutants substantially, and reduce major greenhouse gas (GHG) emissions slightly, when compared to conventional petroleum-based marine fuels (low-sulfur and high-sulfur).

Mariner 291
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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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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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Federal-Mogul marine piston ring technology reduces oil consumption and pollution from two-stroke diesels

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Federal-Mogul Powertrain, a division of Federal-Mogul Holdings Corporation, has developed a new piston ring for two-stroke diesel engines that reduces oil consumption and marine pollution by allowing the quantity of lubricant used to be greatly reduced. —Richard Mittler.

Mariner 150
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EPA announces $46M for latest Diesel Emissions Reduction Act funding

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The US Environmental Protection Agency (EPA) announced the availability of grant funding to implement projects which reduce emissions from the nation’s existing fleet of older diesel engines. Under this competition, EPA anticipates awarding between 40 and 70 assistance agreements. Applicants may apply until 16 March 2021.

EPA 207