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EPA report: diesel engine grant program has delivered major air, public health benefits

Green Car Congress

Clean diesel grants aimed at cleaning up old diesel engines have greatly improved public health by cutting harmful pollution that causes premature deaths, asthma attacks, and missed school and workdays, according to a new report by the US Environmental Protection Agency (EPA). over the lifetime of the affected engines.

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National Academies report finds EPA’s controlled human exposure studies of air pollution are warranted

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CHIE participants are exposed to one or several common air pollutants usually for a few hours at concentrations that are not expected to produce adverse responses. The NAAQS process has broad health importance because it regulates the outdoor air concentrations of those pollutants. 2009 to Oct.

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Coalition of 11 states sues US EPA over soot rules

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A coalition of 11 states filed a lawsuit to compel the US Environmental Protection Agency (EPA) promptly to revise national air quality standards for air pollution involving soot. The EPA had failed to meet an October 2011 deadline for revising the existing standards. EPA last revised the standards in 2006.

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EPA proposes updates to annual PM2.5 national air quality standard

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Source: EPA. The US Environmental Protection Agency (EPA) proposed updates to its national ambient air quality standards (NAAQS) for harmful fine particle pollution (PM 2.5 ). EPA’s proposal would strengthen the annual health standard for PM 2.5 EPA is proposing two options for this 24?hour Click to enlarge.

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EPA proposes CO2 emission standards for new fossil fuel-fired power plants

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The US Environmental Protection Agency (EPA) has proposed Clean Air Act standards to reduce CO 2 emissions from fossil-fuel fired power plants (electric utility generating units, EGUs). EPA is proposing two limits for these units, depending on the compliance period that best suits the unit. Background.

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EPA takes first steps toward regulating commercial aviation GHGs with endangerment finding under CAA

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The US Environmental Protection Agency (EPA) is proposing to find under section 231(a) of the Clean Air Act that greenhouse gas (GHG) emissions from commercial aircraft engines endanger the health and welfare of Americans by contributing to climate change. of total global GHG emissions, according to the EPA.

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EPA and California ARB charge Volkswagen with using software defeat device to circumvent NOx testing in 4-cylinder 2.0L diesels

Green Car Congress

EPA has issued a notice of violation (NOV) of the Clean Air Act (CAA) to Volkswagen AG, Audi AG, and Volkswagen Group of America, Inc. The NOV alleges that Volkswagen and Audi cars from model years 2009-2015 equipped with 2.0-liter, The NOV alleges that Volkswagen and Audi cars from model years 2009-2015 equipped with 2.0-liter,

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