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EPA to develop options to reduce NOx and PM from locomotives further

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The US Environmental Protection Agency (EPA) is responding to petitions from the California Air Resources Board, the San Joaquin Valley Air Pollution Control District, and the California Air Pollution Control Officers Association to address harmful nitrogen oxide (NO x ) and particulate matter (PM) emissions from locomotives.

EPA 305
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EPA proposes strengthening primary annual NAAQS for PM2.5

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The US Environmental Protection Agency (EPA) announced a proposal to to revise the primary (health-based) annual PM 2.5 EPA is taking comment on the full range (between 8 and 11 10 µg/m 3 ) included in the Clean Air Scientific Advisory Committee’s (CASAC) latest report. Currently, EPA has primary and secondary standards for PM 2.5

EPA 273
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EPA grants waivers for California’s on-highway heavy-duty vehicle and engine emission standards

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The US Environmental Protection Agency (EPA) is granting two waivers of preemption regarding four California Air Resource Board (CARB) regulations related to California’s heavy-duty vehicle and engine emission standards. CARB has asked EPA for additional time before the Agency acts on the waiver request for this regulation.

EPA 210
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EPA requires trucking companies to reduce air pollution near Los Angeles schools as part of emissions violation settlement

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The US Environmental Protection Agency (EPA) announced settlements with two interstate trucking companies which will pay $225,000 in penalties to resolve violations of California’s Truck and Bus Regulation. EPA made the announcement at an event at Eastman Avenue Elementary School in Los Angeles, Calif.,

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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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Replacing all of the oldest, highly polluting school buses in the US could lead to 1.3 Even relatively short commutes on school buses can dominate students’ daily air pollution exposures. The EPA set out to hasten the transition of school bus fleets to cleaner vehicles in 2012 with its School Bus Rebate Program.

Pollution 170
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Study finds US air pollution deaths nearly halved between 1990 and 2010

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A new study led by researchers at the University of North Carolina at Chapel Hill has found that deaths related to air pollution in the US were nearly halved between 1990 and 2010. We’ve invested a lot of resources as a society to clean up our air. and ozone from a 21-year computer simulation of air pollution across the US.

Pollution 265
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Study finds air pollution caused by corn production increases mortality rate in US

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The paper, published in Nature Sustainability , presents how researchers have estimated for the first time the health damages caused by corn production using detailed information on pollution emissions, pollution transport by wind, and human exposure to increased air pollution levels. a, Absolute mortality.

Pollution 326