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New study shows a rapid increase of diesel-fueled backup generators across California

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BloomEnergy, working with PowerOutage.us, a company that monitors utilities throughout the country, tracked when and where every blackout occurred in California during a sample period from 15 October 2017 to 31 December 2019, and how many customers it impacted, to generate this interactive map. Source: Bloom Energy.

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Study finds that replacing older, highly polluting school buses could lead to 1.3 million fewer daily absences annually

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million fewer daily absences annually, according to a University of Michigan study. Over time, exposure can exacerbate respiratory illnesses and other conditions and lead to missed school days, say the researchers on the open-access study, which appears in the journal, Nature Sustainability. The program is ongoing.

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CMU study finds SOA levels in cities like LA will remain high despite cleaner cars; nonlinear relationship between SOA and NOx

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The findings of a study by researchers at Carnegie Mellon University, with colleagues at UC Berkeley, suggest that changing atmospheric NO x levels over the next two decades will likely significantly reduce the effectiveness of stricter new gasoline vehicle emissions standards in reducing concentrations of secondary organic aerosol (SOA).

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Chicago Area Clean Cities names American Lung Association 2017 Clean Fuels Champion

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The American Lung Association has been named the 2017 Clean Fuels Champion by Chicago Area Clean Cities (CACC), a nonprofit coalition dedicated to promoting clean-energy and clean-air solutions for transportation in the Chicago area impacting nearly 9 million people. Air pollution poses a serious threat to our nation’s health.

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Study finds that current approach to limiting wintertime pollution may initially backfire

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The processes that create ozone pollution in the summer can also trigger the formation of wintertime air pollution, according to a new study from researchers at the University of Colorado Boulder and NOAA, in partnership with the University of Utah. Regulations and cleaner technologies have steadily improved air quality in the United States.

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UC Davis researcher finds ride-hailing EVs offer triple the emissions benefits of a personally owned EV

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Replacing a gasoline-powered ride-hailing vehicle with an electric vehicle can deliver three times the carbon benefits of a personally owned electric vehicle, according to a study by a University of California, Davis, researcher of Uber and Lyft data. The paper is published in the journal Nature Energy. —Alan Jenn.

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California ARB study finds commuters’ exposures to air pollution greatly depends on mode of travel; light rail, personal vehicles the lowest

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The mode of travel you take on your daily work commute can make a big difference in your exposure to air pollution, according to a new study by researchers at the California Air Resources Board (ARB). The study took place from April 2014 to November 2015 and encompassed 161 individual commutes.

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