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International travelers experience adverse cardiopulmonary health effects even after short stay in polluted cities

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For travelers who visit cities with high levels of air pollution, even a short stay leads to breathing problems that can take at least a week from which to recove, a new study led by researchers at NYU School of Medicine finds. Researchers then compared the health data against levels of air pollution collected from local government agencies.

Pollution 316
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Study of 60M US seniors strengthens link between air pollution and premature death

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They also estimated air pollution levels at each 1 kilometer grid for the entire US upon which the claims data could be overlaid and interpreted. The exposure prediction model leverages satellite-based measurements and a computer simulation of air pollution. The study is published in the New England Journal of Medicine.

Pollution 265
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China study connects ozone pollution to cardiovascular health

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Ozone concentrations were lower than the levels capable of influencing pulmonary function, which is the main basis for current regulatory standards. They monitored indoor and outdoor ozone levels, along with other pollutants. In contrast, only 31 million Americans live in counties where other pollutants exceed EPA standards.

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EPA: GHG emissions standards for cars and light trucks should be revised; joint process with NHTSA (updated with more reactions)

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The US Environmental Protection Agency (EPA) Administrator Scott Pruitt announced the completion of the Midterm Evaluation (MTE) process for the greenhouse gas (GHG) emissions standards for cars and light trucks for model years 2022-2025, and his final determination that the current standards are not appropriate and should be revised.

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EPA grants waiver for California’s Advanced Clean Car Program

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The US Environmental Protection Agency (EPA) has formally granted a California Air Resources Board (CARB) request for a waiver of preemption for its Advanced Clean Car (ACC) regulations. The updated ZEV, GHG, and LEVIII criteria emission standards regulations are covered under the ACC waiver. Earlier post.) Background.

EPA 240
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Mayor of London expanding Ultra Low Emission Zone London-wide; new £110M scrappage scheme

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Vehicles must meet strict emission standards to drive in the ULEZ area: Euro 4 for gasoline cars and vans (widely available since 2006). Vehicles that do not meet the standards must pay a £12.50 The ULEZ has already helped to reduce roadside pollution levels by 44% in central London and 20% in inner London. daily charge.

Scrappage 273
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California ARB awards $7M for ultra-low NOx heavy-duty diesel truck demo project with Achates opposed-piston engines

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California’s ultra-low NO x emissions standard is 0.02 This program will demonstrate the first diesel engine to comply with the state standard. That will enable us to meet ultra-low NO x tailpipe standards. grams per brake horsepower-hour (g/bhp/hr). liter Opposed-Piston Gasoline Compression Ignition (OPGCI) engine. Zermeno, R.,