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Study estimates ~4M children worldwide develop asthma each year because of NO2 air pollution

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About 4 million children worldwide develop asthma each year because of inhaling nitrogen dioxide (NO 2 ) air pollution, according to an open-access study published in The Lancet Planetary Health by researchers at the George Washington University Milken Institute School of Public Health (Milken Institute SPH). —Susan Anenberg.

Pollution 360
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Study finds gasoline exhaust contributes more to formation of secondary organic aerosols than diesel

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Contrary to expectations, exhaust from gasoline vehicles contributes more to the production of secondary organic aerosols (SOA) than exhaust from diesel vehicles, according to a new study by scientists from the Cooperative Institute for Research in Environmental Sciences (CIRES), NOAA’s Earth System Research Laboratory (ESRL) and other colleagues.

Exhaust 231
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New mixed-oxide catalysts shown as viable substitute for platinum catalysts for diesel exhaust aftertreatment

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Under laboratory-simulated diesel exhaust conditions, this mixed-phase oxide material was superior to Pt in terms of cost, thermal durability, and catalytic activity for NO oxidation. Mullite is not only easier to produce than platinum, but also better at reducing pollution in diesel engines. Kyeongjae Cho.

Exhaust 240
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DOE awards $17M to FY 2014 SBIR Phase II projects; includes Si/graphene anodes, motor windings, exhaust treatments

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The selected 17 awards represent the best of nearly 1,000 ideas submitted for the FY 2012/13 Broad Based Topic Solicitation, DOE said. Hybrid Electric Turbocharger for Exhaust Energy Recovery and Transient Lag Reduction. A Novel Exhaust after Treatment Catalyst. Lead organization. Description. Mainstream Engineering Corp.

Exhaust 261
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Comparative study finds that B20 increases emission rates of a number of pollutants in both light- and medium-duty diesel engines at idle

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They found that the level of emissions of regulated and unregulated pollutants in diesel exhaust depends on fuel, load, engine calibration, and exhaust aftertreatment technology. Unregulated pollutants also include ozone precursors and bioaccumulative and toxic compounds. L) and medium-duty (6.4 —Chin et al.

Pollution 231
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Study finds high exhaust temperatures within NTE operation for heavy-duty diesels with aftertreatment systems contribute to high nanoparticle concentrations

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The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. Diesel particulate filters (DPF) and urea-based selective catalytic reduction (SCR) exhaust after-treatment systems thus have emerged as feasible strategies to meet the 2010 USEPA regulations.

Exhaust 218
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Renault introducing three Energy engines in the Mégane Collection 2012; fuel economy up to 67 mpg US

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Renault is introducing three new Energy engines ( earlier post ) in its Mégane Collection 2012: the new turbocharged, gasoline direct-injection Energy TCE 115 di; the Energy dCi 130; and the Energy dCi 110, with NEDC fuel consumption of 3.5 Versions of Mégane Collection 2012 powered by this engine consume 5.3 Click to enlarge.