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Researchers suggest that air quality tests need simplifying to help reduce dangerous emissions

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Lead author Professor William Stockwell from the University of Texas at El Paso explains that accurate simulations of air pollutants require updated and accurate descriptions of the chemical processes for the changing chemical regimes of the atmosphere and emerging contaminants of concern. Stockwell, Emily Saunders, Wendy S. Goliff & Rosa M.

Emissions 170
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National Academies release third review of the 21st Century Truck Partnership

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The National Academies have released a third review of the 21 st Century Truck Partnership (21CTP); the review follows the Phase 1 and Phase 2 reviews by the National Research Council in 2008 and 2012 ( earlier post ) and assesses the progress the partnership has made. A pathway to achieve 55% is being developed.

MPG 150
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The importance of considering non-exhaust traffic emissions; the role of EVs

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Further, a 2013 review by Denier van der Gon et al. As reported earlier here ( earlier post ) a recent literature review by a team from the University of Edinburgh (Timmers et al. Air Waste Manag. Non-exhaust PM factors include tire wear, brake wear, road surface wear and resuspension of road dust. The role of EVs.

Exhaust 150
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SCOPE Biofuels Project Releases Assessment on Environmental Effects of Biofuel Technologies

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In general, biofuels made from organic waste are environmentally more benign than those from energy crops. A few studies also include other relevant impact indicators as acidification potential, eutrophication potential, ozone depletion potential and various toxicity potentials. Lifecycle analysis.

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Lifecycle study finds that environmental impacts of silicon-anode Li-ion battery could be roughly comparable with conventional Li-ion battery

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Review of the literature indicates SiNW for LIB anode are mainly prepared in two ways: chemical vapor deposition (CVD) or wet chemistry method. Units of the X-axis values are different and shown under each impact category name on Y-axis. Credit: ACS, Li et al. Click to enlarge.

Li-ion 265
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Here’s How We Could Brighten Clouds to Cool the Earth

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Take, for example, the tens of thousands of fossil-fueled ships that chug across the ocean, spewing plumes of pollutants that contribute to acid rain, ozone depletion, respiratory ailments, and global warming. To this end, we've submitted our experimental plans for review by the. Our team, based at the.

Climate 145