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WHO issues new, lower Global Air Quality Guidelines for classical pollutants

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New WHO has issued new Global Air Quality Guidelines (AQGs) that reduce levels of key air pollutants, some of which also contribute to climate change. Recommended 2021 AQG levels compared to 2005 air quality guidelines. The goal of the guideline is for all countries to achieve recommended air quality levels. Source: WHO.

Pollution 435
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Texas A&M team develops guidelines for 3D printing of martensitic steel

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Researchers from Texas A&M University, in collaboration with scientists in the Air Force Research Laboratory, have developed guidelines that allow 3D printing of martensitic steels into very sturdy, defect-free objects of nearly any shape. A paper on their work is published in the journal Acta Materialia. —Raiyan Seede, first author.

Texas 300
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AISI releases GHG emissions guidelines for steel

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The American Iron and Steel Institute (AISI) has released recommended steel industry greenhouse gas (GHG) emissions calculation guidelines to provide consistent and comprehensive data across the industry on GHG emissions from steel production, with a focus on product-level disclosures and corporate-level reporting.

Emissions 199
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New study confirms extensive gas leaks in the North Sea; recommends stricter guidelines for handling of abandoned wells

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The authors of the study encourage the industry to publish their data and recommend more independent emission measurements from abandoned wells in order to develop stricter guidelines and legally binding regulations for abandonment procedures.

Gas 273
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SAE International publishes TIR J2954/2 for wireless charging of heavy-duty EVs; static and dynamic WPT

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The new guideline builds off the success of the first light-duty SAE J2954 standard published in 2020. Charging a heavy-duty EV should be as simple as parking in the right spot—the wireless charging SAE TIR J2954/2 Guideline makes it possible to do that automatically.

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WHO links 7 million premature deaths annually to air pollution; 12.5% of total global deaths

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Later this year, WHO will release indoor air quality guidelines on household fuel combustion, as well as country data on outdoor and indoor air pollution exposures and related mortality, plus an update of air quality measurements in 1,600 cities from all regions of the world. WHO PM Guideline Values. Guideline values are 40 ?g/m

Pollution 358
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ClassNK issues AiP for cargo containment system for Kawasaki large liquefied hydrogen carrier; highest carrying capacity

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To contribute to the maritime transportation of hydrogen, which is anticipated to expand its use worldwide, in 2017 ClassNK published the “Guidelines for Liquefied Hydrogen Carriers” describing the safety requirements for liquified hydrogen carriers based on IMO’s Interim Recommendations for Carriage of Liquefied Hydrogen in Bulk.

Hydrogen 435