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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.

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NOAA and EPA Study Finds Highway Barriers May Reduce Pollutants as Well as Block Sound and Sight of Traffic

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Highway barriers erected along roadways to block the sound and sight of traffic for the adjoining neighborhoods may also be reducing the amount of pollutants, such as soot from diesel exhaust, reaching area residents, according to a study by NOAA and the US Environmental Protection Agency (EPA). Dennis Finn. Dennis Finn, Kirk L.

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T&E: VW sells least polluting Euro 6 diesels in Europe; no brand meets Euro 6 in real-world driving; loopholes & defeat strategies

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A new study by Transport & Environment (T&E) shows that Volkswagen is currently selling the least polluting (Euro 6) diesel vehicles. also found that no brand in Europe complies with the latest Euro 6 air pollution limits for diesel cars and vans in real-world driving. However, the report “ Dieselgate: Who? Loopholes.

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EPA issues a second notice of violation to Volkswagen alleging emissions cheating in MY 2014-2016 3.0L diesels

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EPA issued a second notice of violation ( NOV ) of the Clean Air Act (CAA) to Volkswagen AG, Audi AG and Volkswagen Group of America, Inc., liter engines for model years (MY) 2014 through 2016 that results in increased NO x emissions of up to nine times EPA’s standard. alleging emissions cheating. Earlier post.).

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EPA awards $8M in FY2014 clean diesel grants in 21 states, Puerto Rico

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The US Environmental Protection Agency (EPA) has awarded $8 million to communities in 21 states and Puerto Rico to reduce emissions from the nation’s existing fleet of diesel engines through the agency’s Diesel Emission Reduction Act ( DERA ) program. EPA estimates that every $1 in DERA funding generates up to $13 in health care savings.

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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.

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York, Empa study finds retrofitting of VW diesel engines was successful

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On the opening day of the Frankfurt International Motor Show (IAA), the US Environmental Protection Agency (EPA) published a Notice of Violation: VW diesel engines with 1.6 Stuart Grange works in Empa’s Air Pollution/Environmental Technology Laboratory and also at the Wolfson Atmospheric Chemistry Laboratories at the University of York.

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