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UB study finds link between ambient ozone exposure, artery wall thickness

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Long-term exposure to ambient ozone appears to accelerate arterial conditions that progress into cardiovascular disease and stroke, according to a new University at Buffalo study. The study found that chronic exposure to ozone was associated with a progression of thickening of the main artery that supplies blood to the head and neck.

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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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EPA proposes to include Southern Maine in the Federal Reformulated Gasoline Program

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EPA is proposing , at the request of the State of Maine, to require the sale of reformulated gasoline ( RFG ) in York, Cumberland, Sagadahoc, Androscoggin, Kennebec, Knox and Lincoln counties in southern Maine starting in June 2015. The Maine legislature subsequently postponed the requirement for sale of RFG until 1 June 2015.

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MECA emissions inventory & air quality modeling shows potential benefits of national cleaner trucks initiative at CARB limits

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On 6 March 2020, the California Air Resources Board (CARB) proposed to set an intermediate FTP NO x emissions limit of 50 mg/bhp-hr in model years 2024-2026 with a final FTP standard of 20 mg/bhp-hr in 2027, representing a 90% reduction below today’s standard of 200 mg/bhp-hr. Source: MECA. ppb in the west (San Bernardino, CA) and 4.9

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Study quantifies impact of oil and gas emissions on Denver’s ozone problem

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The first peer-reviewed study to directly quantify how emissions from oil and natural gas (O&NG) activities influence summertime tropospheric ozone (O 3 ) pollution in the Colorado Front Range confirms that chemical vapors from oil and gas activities are a significant contributor to the region’s chronic ozone problem.

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PM2.5, O3 pollution associated with development of Alzheimer’s disease; new study identifies evolving axonal damage

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and ozone at or above the current standards have been linked to neuroinflammation and high risk of Alzheimer’s disease (AD). A 2015 study found a 138% risk of increase of AD per increase of 4.34 ?g/m Exposures to concentrations of PM 2.5 g/m 3 in PM 2.5

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Study finds propane school buses significantly decrease NOx emissions compared to diesel

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Test routes included both city and highway roads, and a stop-and-go route similar to standard school bus operation. These findings are significant due to the fact that NO x and ozone are major non-attainment concerns for many areas across the nation. —Ross Ryskamp, Ph.D., associate director for testing and development at CAFEE.

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