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California adopts comprehensive strategy to meet federal ozone standard over next 15 years

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The California Air Resources Board today approved a statewide plan for attaining the federal health-based standard for ozone, typically experienced as smog. These costs do not reflect the potential health and environmental benefits of attaining the federal ambient air quality standards. billion, which includes $33.8

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Study links ambient PM2.5 and ozone specifically caused by vehicle exhaust emissions to ~361,000 premature deaths worldwide in 2010 and ~385,000 in 2015

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and ozone deaths, associated mortality rates, and population in G20 economies in 2015. and ozone worldwide in 2010 and ~385,000 in 2015, equivalent to 11.7% and ozone premature deaths in 2010 and 11.4% and ozone concentrations from transportation emissions resulted in 7.8 Transportation-attributable PM 2.5 Together, PM 2.5

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China study connects ozone pollution to cardiovascular health

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Exposure to ozone, long associated with impaired lung function, is also connected to health changes that can cause cardiovascular disease such as heart attack, high blood pressure and stroke, according to a new study of Chinese adults. The findings associated ozone exposure with markers of platelet activation and increased blood pressure.

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Study Finds Ozone Concentrations at Current Clean Air Standards Levels Can Impair Even Healthy Lungs

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Exposure to ozone at levels currently deemed safe by the NAAQS clean air standards can have a significant and negative effect on lung function, according to researchers at the University of California, Davis. The previous primary and secondary standards were identical 8-hour standards, set at 0.08 Earlier post.).

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EPA to begin work on proposed rulemaking for on-road heavy-duty ultra-low NOx standard for MY 2024

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Earlier this year, the US Environmental Protection Agency (EPA) received several petitions from state and local government agencies from across the country and other organizations to increase the stringency of the on-highway heavy-duty engine NO x emission standards from 0.2 grams per brake horsepower-hour (g/bhp-hr) to 0.02

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CARB releases results of multi-year E15 study; multiple air quality benefits with slight reduction in fuel economy

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The California Air Resources Board (CARB) has released the results of a multiyear study evaluating exhaust emissions from the use of California Reformulated Gasoline (CaRFG) that contains 15 volume percent ethanol (E15). The vehicle test matrix had provisions for five vehicles on each emissions standards category (i.e.,

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HEI ACES study of lifetime animal exposure to New Technology Diesel Engine exhaust finds no lung cancer

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The first study to conduct a comprehensive evaluation of lifetime exposure to new technology diesel exhaust (NTDE)—i.e., exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. Earlier post.) This phase was conducted at SwRI in 2012.

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