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USC study finds particulate matter in air pollution affects thyroid development in fetuses

Green Car Congress

In a cohort study of a subset of 2050 newborns from the Children’s Health Study in southern California, researchers at the University of Southern California (USC) found that an increase of 2 standard deviations in prenatal exposure to particulate matter in air pollution was associated with higher newborn total thyroxine (TT4) measures.

Pollution 301
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National Academies report finds EPA’s controlled human exposure studies of air pollution are warranted

Green Car Congress

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.

Pollution 150
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California ARB and NOAA Collaborating in $20M Research on Interaction of Air Pollution and Climate Change; One Atmosphere Approach

Green Car Congress

The California Air Resources Board (ARB) and the National Oceanic and Atmospheric Administration (NOAA) are collaborating in the $20-million CalNex research project to examine the nexus between air pollution and climate change. The complex roles that ozone and aerosols play in the atmosphere provide examples of such trade-offs.

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CRC ACES Phase 2 report finds emissions from modern heavy-duty diesels well below required levels

Green Car Congress

For a number of the most important pollutants, levels were substantially lower than required by regulations. They were tested on multiple repeats of these cycles, and measurements of more than 300 regulated and unregulated air pollutants were made in accordance with the highest laboratory standards. Background. g/hp-hr in 2010.

Diesel 296
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UC Davis Begins $2.8M Studies on Impacts of Escaped Nitrogen

Green Car Congress

University of California, Davis researchers will receive $2.8 Nitrogen-based fertilizers help California farmers produce more than 400 agricultural commodities—vegetables, fruits, meats and dairy products—worth $36 billion a year. million in new grants to study the use and impacts of escaped nitrogen from agricultural production.

Davis 240
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Calif. ARB releases GHG scoping plan update; more ZEVs, “LEV IV”, MD and HD regulations; ZEV for trucks; more LCFS

Green Car Congress

The California Air Resources Board released the draft proposed first update to the AB 32 Scoping Plan, which guides development and implementation of California’s greenhouse gas emission reduction programs. California’s zero emission vehicle (ZEV) regulation is also driving a transformation of the fleet. Transportation.

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The New Supersonic Boom

Cars That Think

The main obstacles will be regulatory and, especially, environmental: Supersonic airliners could be hugely more polluting than their subsonic counterparts. The 1964 Oklahoma City tests involved more than 1,000 flights, which sparked more than 15,000 complaints, as documented in a 1971 report prepared by the National Bureau of Standards.