Green Car Congress

OCTOBER 15, 2018

A research team in China conducted a longitudinal panel study among 43 non-smoking college students in Shanghai to explore the effects of personal ozone exposure on blood pressure (BP), vascular endothelial function, and the potential molecular mechanisms. —Xia et al. doi: 10.1021/acs.est.8b03044. 8b03044.

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Ozone Personal 2018 Convert 230

Green Car Congress

SEPTEMBER 4, 2018

In China, people breathe ozone-laden air two to six times more often than people in the United States, Europe, Japan, or South Korea, according to a new international study published in Environmental Science & Technology Letters. 2017 for one ozone metric. The inset shows ozone trends in Beijing (red) and Los Angeles (blue).

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Ozone Pollution China South Korea 199

Green Car Congress

JULY 17, 2017

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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Ozone Pollution Connect Connected 170

Green Car Congress

OCTOBER 10, 2018

High levels of air pollutants, especially fine particulate matter (PM 2.5 ) and to a lesser extent, ozone, may be linked to a heightened risk of developing mouth cancer, suggests a study by a team of Taiwanese researchers. The number of new cases, and deaths from, mouth cancer is increasing in many parts of the world.

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Ozone Pollution Taiwan 2009 255

Green Car Congress

MARCH 1, 2019

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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Ozone 2015 2010 Exhaust 230

Green Car Congress

JUNE 26, 2022

The rapidly growing space industry may have a greater climate effect than the aviation industry and undo repair to the protective ozone layer if left unregulated, according to a new study led by UCL and published in the journal Earth’s Future as an open-access paper. The space industry is one of the world’s fastest growing sectors.

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Climate Ozone Industrial Industry 428

Green Car Congress

NOVEMBER 26, 2014

Counties where measured ozone is above proposed range of standards, based on 2011-2013 monitoring data. Earlier this year, EPA staff had recommended the further reduction of this primary ozone standard from the current 75 ppb (parts per billion) to a revised level within the range of 70 ppb to 60 ppb—and preferably below 70 ppb.

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Ozone EPA Standards 2015 273

Green Car Congress

AUGUST 12, 2016

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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Ozone Oil Gas Emissions 150

Green Car Congress

OCTOBER 1, 2015

issued its final rule revising the National Ambient Air Quality Standards (NAAQS) for ground-level ozone to 70 parts per billion (ppb) from 75 ppb to protect public health. Ground-level ozone forms when nitrogen oxides (NO x ) and volatile organic compounds (VOCs) react in the air. The US Environmental Protection Agency (EPA).

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Ozone EPA Standards District of Columbia 150

Green Car Congress

JUNE 17, 2016

As California continues to reduce local sources of ozone, ozone entering the state from the Pacific makes up a larger fraction of measured ozone levels. An ozonesonde is a balloon which measures ozone from the surface to more than 10 kilometers above the ground.

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San Jose Ozone Universal Transportation 150

Green Car Congress

OCTOBER 12, 2018

A team from Duke University in the US and University of York in the UK have utilized a novel method to estimate long-term ozone exposure and previously reported epidemiological results to quantify the health burden from long-term ozone exposure in three major regions of the world. —Karl Seltzer. Karl M Seltzer et al.

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Ozone 2015 United States Europe 207

Green Car Congress

SEPTEMBER 4, 2014

Ozone, the main component of smog, is a plant-damaging pollutant formed by emissions from vehicles, cooking stoves and other sources. New research shows that ozone pollution damaged millions of tons of wheat, rice, soybean and cotton crops in India in 2005. Surface ozone pollution in India damaged 6 million metric tons (6.7

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Ozone 2005 India Pollution 239

Green Car Congress

MAY 6, 2022

The coordinated package of regulations will reduce emissions of greenhouse gases and ozone- and smog-causing pollutants from new passenger cars, trucks, and SUVs starting in model year 2026. Their independent approval of the Clean Car Rule allows California’s Advanced Clean Cars to be implemented statewide in New Mexico beginning 1 July 2022.

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New Mexico Mexico Clean Cleaning 282

Green Car Congress

SEPTEMBER 2, 2011

In a statement released this morning, President Barack Obama said he has requested that US Environmental Protection Agency (EPA) Administrator Lisa Jackson withdraw the agency’s draft Ozone National Ambient Air Quality Standards (NAAQS) rulemaking. Earlier post.) National Ambient Air Quality Standards (NAAQS).

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Ozone Obama Standards EPA 259

Green Car Congress

FEBRUARY 17, 2013

A team from Rice University and the Houston Fire Department EMS has found a direct correlation between out-of-hospital cardiac arrests (OHCA) and levels of air pollution and ozone. micrograms) and ozone. They found a positive correlation between OHCAs and exposure to both fine particulate matter (airborne particles smaller than 2.5

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Ozone Universal Houston Pollution 231

Green Car Congress

MAY 5, 2014

Ozone pollution across the continental United States will become far more difficult to keep in check as temperatures rise, according to new work led by the National Center for Atmospheric Research (NCAR). Ozone formation. Even short periods of unhealthy ozone levels can cause local death rates to rise. Scenario A2 and RCP 8.5.

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Ozone Climate Change Pollution Climate 199

Green Car Congress

FEBRUARY 17, 2015

Although halogens released from long-lived anthropogenic substances, such as chlorofluorocarbons (CFCs), are the principal cause of the recent depletion of stratospheric ozone, recent observations show that very short-lived substances (VSLS), with lifetimes generally under six months, are also an important source of stratospheric halogens.

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Ozone Climate Industrial Industry 150

Green Car Congress

MARCH 8, 2022

The proposed multi-pollutant rule would further reduce air pollution from heavy-duty engines and vehicles across the United States, including ozone and particulate matter (PM). In addition, as part of this rulemaking, EPA is proposing targeted updates to the existing Heavy-Duty Greenhouse Gas Emissions Phase 2 program (HD GHG Phase 2).

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EPA Emissions Ozone Pollution 434

Green Car Congress

MARCH 11, 2013

Researchers from Rice University and the US Environmental Protection Agency (EPA) report in a paper in the journal Atmospheric Chemistry that particularly in Northeastern cities, ozone levels dropped even beyond what was anticipated by cutting emissions of NO x from 2002 to 2006. —Daniel Cohan, co-author. Earlier post.).

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Green Car Congress

JANUARY 19, 2012

Extraordinarily cold temperatures in the stratosphere during the winter of 2010/2011 caused the most massive destruction of the ozone layer above the Arctic so far, according to a study by climate researchers at KIT (Karlsruhe Institute of Technology). These chemical conversion products attack the ozone layer and destroy it partly.

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Ozone Kits 2011 Climate 210

Green Car Congress

JANUARY 7, 2010

Counties projected to violate proposed Primary 8-hour Ground-Level Ozone Standards in 2020. The United States Environmental Protection Agency has proposed the strictest standards to date for ground-level ozone. EPA is proposing an accelerated schedule for designating areas for the primary ozone standard. Source: EPA.

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Ozone EPA Standards Arlington 186

Green Car Congress

SEPTEMBER 9, 2011

US EPA Region 9 8-hour ozone trends, 1979-2000. These State Implementation Plans (SIPs) are the roadmaps to meeting the 1997 8-hour ozone National Ambient Air Quality Standards (NAAQS) of 0.08 parts per million (ppm) by 2024. Source: EPA. Click to enlarge. In 2008, the 8-hour standard was lowered to 0.075 ppm. Earlier post.).

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Ozone EPA Pollution 2002 236

Green Car Congress

SEPTEMBER 16, 2009

The US Environmental Protection Agency (EPA) will reconsider the 2008 primary and secondary ozone standards. In 2008, EPA established a new primary 8-hour standard for ozone of 0.075 parts per million (ppm), and a new secondary standard set at a form and level identical to the new primary standard. ppm standard, due to rounding.

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Ozone EPA Standards 2008 199

Green Car Congress

NOVEMBER 3, 2015

Some of the substitutes for ozone-damaging chemicals that being phased out worldwide under international agreements are themselves potent greenhouse gases and contribute to warming. This work was supported in part by NOAA’s Atmospheric Chemistry, Carbon Cycle, and Climate (AC4) Program and NASA’s Atmospheric Composition Program.

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Ozone Colorado Gas Carbon 150

Green Car Congress

MAY 22, 2023

As part of the settlement, BPP will install one or more permanent benzene strippers to reduce benzene in wastewater streams leading to its lakefront wastewater treatment plant. VOCs along with NO x , play a major role in the atmospheric reactions that produce ozone, which is the primary constituent of smog.

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Ozone EPA Indiana Emissions 170

Green Car Congress

DECEMBER 15, 2019

The California Air Resources Board (CARB) voted to approve an updated plan for the South Coast Air Basin aimed at further cutting smog-forming emissions to attain the federal 8-hour ozone standard. To meet the 80 parts per billion ozone standard in the South Coast, all levels of government must do their part.

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California Ozone Los Angeles EPA 221

Green Car Congress

OCTOBER 28, 2010

The two combine in the atmosphere to make either nitric acid or peroxynitrous acid; the so-called branching ratio of these two chemicals is important in models of ozone production. This means less of the hydroxyl radical and nitrogen dioxide go away, leading to proportionately more ozone, mostly in polluted areas, Okumura said.

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Ozone Los Angeles Pollution California 210

Green Car Congress

AUGUST 21, 2009

Reducing emissions of black carbon soot and ground-level ozone would quickly make a considerable dent in the climate change problem and would also contribute to public health and protect crop yields, according to an essay in the September/October issue of Foreign Affairs. Besides a danger to breathe, ozone lowers crop yields.

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Climate Change Ozone Climate Carbon 262

Green Car Congress

AUGUST 15, 2019

Long-term exposure to ambient air pollutants, especially O 3 (ozone), is significantly associated with increasing emphysema, according to a new study led by the University of Washington, Columbia University and the University at Buffalo. The annual averages of ozone levels in study areas were between about 10 and 25 ppb.

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Pollution Ozone Washington Universal 223

Green Car Congress

JULY 25, 2009

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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Ozone Standards Clean Cleaning 186

Green Car Congress

JUNE 15, 2011

Fast action on pollutants such as black carbon, ground-level ozone and methane may help limit near term global temperature rise and significantly increase the chances of keeping temperature rise below 2 °C (3.6 °F)—and Perhaps the most intriguing link is between emissions of methane and the formation of tropospheric ozone.

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Ozone Carbon Climate Change Global 218

Green Car Congress

MAY 2, 2022

The Clean Air Act (CAA) requires the use of low-volatility gasoline during the summer months in order to limit the formation of ozone pollution. This action only extends the 1-psi waiver to E15 in parts of the country where it already exists for E10.

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EPA Fuel Ozone Sale 170

Green Car Congress

JULY 22, 2010

Illustration of projected ozone changes in the South Coast region due to climate change in 2050. Areas in orange and red could see ozone concentrations elevated by 9 to 18 parts per billion. Click to enlarge.

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Climate Change Ozone Climate California 199

Green Car Congress

SEPTEMBER 6, 2020

Net warming from NO x emissions is a sum over warming (short-term ozone increase) and cooling (decreases in methane and stratospheric water vapor, and a long-term decrease in ozone) terms. Negative RF (cooling) contributions arise from sulfate aerosol production. Net warming from contrail cirrus is a sum over the day/night cycle.

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Climate Emissions CO2 Climate Change 448

Green Car Congress

JULY 24, 2009

A) shows the base case peak concentrations for O 3 (ozone), ClNO and HCl in parts-per-billion by volume (ppbv). (B) Under extreme circumstances, this previously unknown chemistry could account for up to 40 parts per billion (ppb) of ozone; the current US Environmental Protection Agency (EPA) 8-hour average standard is 75 ppb.

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Ozone Pollution 2009 Coal 150

Green Car Congress

JUNE 29, 2017

and of 10 ppb in ozone were associated with increases in all-cause mortality of 7.3% (95% confidence interval [CI], 7.1 of less than 12 μg per cubic meter and ozone of less than 50 ppb, the same increases in PM 2.5 and ozone were associated with increases in the risk of death of 13.6% (95% CI, 13.1 and 1.1% (95% CI, 1.0

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Pollution Ozone United States Personal 265

Green Car Congress

JUNE 8, 2023

Cars’ average carbon dioxide emissions have dropped by 25% since the early 2000s, according to the US Environmental Protection Agency (EPA), but this gas only accounts for part of the total. While some VOCs are released in exhaust, others may arise from an unexpected source—e.g.,

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Emissions Exhaust Cars Ozone 397