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Team finds high concentrations of combustion- and friction-derived magnetic air pollution nanoparticles in human hearts in Mexico City

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Solid CFDNPs in air pollution are characterized by the abundant presence of strongly magnetic, iron-rich particles which condense and/or oxidize upon airborne release, often retaining a rounded or spherical shape as they cool. annual air quality standard of 12 ? —Calderón-Garcidueñas et al.

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Study links ambient PM2.5 and ozone specifically caused by vehicle exhaust emissions to ~361,000 premature deaths worldwide in 2010 and ~385,000 in 2015

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Exhaust from on-road diesel vehicles was responsible for nearly half of the impacts (~181,000 premature deaths) worldwide, and fully two-thirds in India, France, Germany, and Italy. The distribution of health impacts and air pollution from transportation is influenced by policy, demographic, economic, and technological changes.

Ozone 230
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EPA, San Diego County Air District monitoring PM2.5 at San Ysidro border crossing

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The US EPA and San Diego County Air Pollution Control District (SDAPCD), in cooperation with US Customs and Border Protection and the US General Services Administration have installed a new air pollution monitor at the San Ysidro Port of Entry. Mexico border crossing,” Atmospheric Environment doi: 10.1016/j.atmosenv.2013.12.042.

San Diego 150
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HEI ACES study of lifetime animal exposure to New Technology Diesel Engine exhaust finds no lung cancer

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The first study to conduct a comprehensive evaluation of lifetime exposure to new technology diesel exhaust (NTDE)—i.e., exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. Earlier post.) Earlier post.)

Exhaust 150
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Cummins CTO John Wall receives California’s premier air quality award

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Donald Blake, professor of chemistry, University of California Irvine. Dr. Blake has carried out measurements of atmospheric volatile organic compounds that have provided critical insights into their roles in air pollution and climate change. Smith, professor of global environmental health, University of California Berkeley.

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Commercial Shipping Emits Almost Half As Much Particulate Pollution as Total Released by World’s Cars

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Globally, commercial ships emit almost half as much particulate matter pollutants into the air as the total amount released by the world’s cars, according to a new study led by NOAA and the University of Colorado at Boulder. Ship pollutants affect local air quality and the health of people living along coastlines.

Pollution 150
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Researchers develop effective exhaust catalyst for lower temperature exhaust

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To improve fuel efficiency, advanced combustion engines are being designed to minimize the amount of waste heat in the exhaust. As a result, future generations of exhaust after-treatment catalysts must perform at temperatures that are 100 °C lower than current catalysts. —Nie et al.

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