Ozone and Standards

EPA initiates new review of the Ozone National Ambient Air Quality Standards

Green Car Congress

AUGUST 22, 2023

The Environmental Protection Agency (EPA) announced a new review of the Ozone National Ambient Air Quality Standards (NAAQS). EPA established the current standards at a level of 70 parts per billion in 2015 and retained them in 2020, after concluding that there was little new information to suggest the need for revision.

Ozone

Ozone EPA Standards Pollution

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

Green Car Congress

SEPTEMBER 23, 2022

The California Air Resources Board today approved a statewide plan for attaining the federal health-based standard for ozone, typically experienced as smog. The 2022 State Implementation Plan Strategy identifies the state’s control strategy for meeting the federal 70 parts per billion, 8-hour ozone standard over the next 15 years.

Ozone

Ozone Standards California Pollution

BASF introduces cost-effective upgrade to ozone-VOC converters for healthier aircraft cabin air; UpCore

Green Car Congress

APRIL 26, 2022

BASF has launched UpCore, a new service providing a cost-effective and sustainable technology upgrade from a standard ozone converter to an ozone-VOC (volatile organic compounds) converter for cleaner and healthier aircraft cabin air. The air at high altitude contains significant levels of ozone.

Ozone

Ozone Convert Cleaner Exhaust

Global study links daily exposure to ozone pollution to increased risk of death

Green Car Congress

FEBRUARY 11, 2020

Daily exposure to ground level ozone in cities worldwide is associated with an increased risk of death, according to the largest study of its kind, published in an open-access paper in The BMJ. Ground level ozone is a highly reactive gas commonly found in urban and suburban environments, formed when pollutants react in sunlight.

Ozone

Ozone Pollution Global South America

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

Green Car Congress

MAY 31, 2019

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.

Ozone

Ozone Los Angeles North Carolina New York City

EPA proposes tightening primary ozone standards to range of 65-70 ppb; final rule by October 2015

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.

Ozone

Ozone EPA Standards 2015

EPA tightens ground-level ozone standard to 70 ppb

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).

Ozone

Ozone EPA Standards District of Columbia

Obama Administration withdraws proposed rulemaking on strengthened ozone standards

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. National Ambient Air Quality Standards (NAAQS). Earlier post.)

Ozone

Ozone Obama Standards EPA

Study: ozone levels higher across China than in other countries tracking the air pollutant

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).

Ozone

Ozone Pollution China South Korea

China study connects ozone pollution to cardiovascular health

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.

Ozone

Ozone Pollution Connect Connected

TOAR shows present-day global ozone distribution and trends relevant to health; public database

Green Car Congress

FEBRUARY 6, 2018

Ozone levels across much of North America and Europe dropped significantly between 2000 and 2014. People living in parts of southern Europe, South Korea and southern Japan and China also experienced more than 15 days a year of ozone levels above 70 ppb. Trends in daily maximum ozone levels (known as 4MDA8) at urban and non-urban sites.

Ozone

Ozone Global North America Colorado

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

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

Ozone

Ozone 2015 2010 Exhaust

EPA proposes new heavy-duty truck emissions rules

Green Car Congress

MARCH 8, 2022

The US Environmental Protection Agency (EPA) is proposing new, stronger standards to promote clean air and reduce pollution from heavy-duty vehicles and engines starting in model year (MY) 2027. EPA is co-proposing two regulatory options for new NO x standards: proposed Option 1 and proposed Option 2.

EPA

EPA Emissions Ozone Pollution

US EPA to Reconsider National Ozone Standards

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.

Ozone

Ozone EPA Standards 2008

EPA Proposes New Tougher Ground-Level Ozone Standards

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.

Ozone

Ozone EPA Standards Arlington

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

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.

Ozone

Ozone Oil Gas Emissions

US EPA proposes San Joaquin Valley, South Coast, Southeast Desert as failing to meet one hour ozone air standard

Green Car Congress

SEPTEMBER 3, 2011

The US Environmental Protection Agency announced that it is proposing to find that the San Joaquin Valley, and California’s South Coast and the Southeast Desert have failed to meet the 1-hour ozone standard by their required deadlines. Children and the elderly are most impacted by ozone pollution.

Ozone

Ozone EPA Standards Pollution

EPA proposes stringent new emissions standards for light-, medium-, heavy-duty vehicles for MY 2027 and beyond

Green Car Congress

APRIL 13, 2023

The US Environmental Protection Agency (EPA) announced two new proposed federal emissions standards spanning light-, medium- and heavy-duty vehicles for model year 2027 and beyond. —Proposed Rule: Multi-Pollutant Emissions Standards for Model Years 2027 and Later Light-Duty and Medium-Duty Vehicles GHG emissions standards.

EPA

EPA Light Standards Emissions

Study: surface ozone in India in 2005 damaged 6M tonnes of crops, enough to feed 94M people in poverty

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

Ozone

Ozone 2005 India Pollution

New Mexico adopts Clean Cars Rule

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.

New Mexico

New Mexico Mexico Clean Cleaning

Texas study finds PHEV use could increase ozone at night, decrease ozone during the day

Green Car Congress

APRIL 22, 2011

A study by researchers at the University of Texas found that in general, use of plug-in hybrid electric vehicles (PHEVs) can lead to an increase in ozone during nighttime hours (due to decreased scavenging from both vehicles and EGU stacks) and a decrease in ozone during daytime hours.

Ozone

Ozone PHEV Texas San Antonio

CARB, NOAA, NASA and San Jose State University scientists team up to study ozone transported across Pacific

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.

San Jose

San Jose Ozone Universal Transportation

EPA launches Cleaner Trucks Initiative to update NOx standards for heavy-duty trucks

Green Car Congress

NOVEMBER 14, 2018

The CTI will include a future rulemaking that will update the existing NO x standard which was last set in 2001 while also streamlining compliance and certification requirements. The US has made major reductions in NO x emissions, but it’s been nearly 20 years since EPA updated these standards.

EPA

EPA Cleaner Standards 2001

Rice/EPA study finds ground-level ozone falling faster than CMAQ model predicted

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.).

Ozone

Ozone EPA 2002 2006

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

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.).

Ozone

Ozone Standards Clean Cleaning

Study finds rising temperatures increase risk of unhealthy ozone levels absent sharp cuts in precursors

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.

Ozone

Ozone Climate Change Pollution Climate

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

Green Car Congress

JUNE 26, 2020

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

Cleaner

Cleaner Ozone Emissions Atlanta

California SCAQMD petitioning EPA for national ultra-low NOx standard for trucks

Green Car Congress

MAY 18, 2016

The Governing Board of California’s South Coast Air Quality Management District (SCAQMD) earlier this year voted to petition the US Environmental Protection Agency (EPA) to adopt tougher emission standards for engines of heavy-duty trucks to help the region meet federal clean air goals.

EPA

EPA Standards California Ozone

BASF launches next-generation PremAir NXT catalytic coating technology for direct ozone reduction

Green Car Congress

JANUARY 14, 2015

BASF announced the commercial launch of PremAir NXT, a next-generation direct ozone reduction (DOR) catalytic coating technology for heat exchange surfaces such as radiators that can help automakers meet new US Tier 3 and California LEV III emissions reduction requirements. it converts ground-level ozone already in the air.

Ozone

Ozone Emissions Fleet California

EPA Climate Change Adaptation Plan sees likely increase in tropospheric ozone, with more difficulty in attaining NAAQS in many areas

Green Car Congress

FEBRUARY 10, 2013

Among the many climate-related vulnerabilities that can impact its mission, the US Environmental Protection Agency (EPA) cites a likely increase in tropospheric ozone pollution as potentially making it more difficult to attain National Ambient Air Quality Standards ( NAAQS ) in many areas with existing ozone problems.

Climate Change

Climate Change Ozone Climate EPA

EPA proposes approval of new ozone plans for the two of the worst Air Quality Zones in US: California’s San Joaquin Valley and South Coast

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 In 1997, EPA first established the 8-hour ozone standard, which replaced the older 1-hour ozone standard (0.12

Ozone

Ozone EPA Pollution 2002

Hyundai Motor puts XCIENT Fuel Cell electric trucks into commercial fleet operation in California with $3.5M from EPA

Green Car Congress

SEPTEMBER 15, 2022

EPA’s TAG program aims to reduce air pollution in areas of the nation with the highest levels of ambient ozone and fine particulate matter (PM 2.5 ) pollution.

Hyundai

Hyundai EPA California Commercial

California ARB approves air quality plan for South Coast Air Basin ahead of 2023 deadline; calls for Federal action

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.

California

California Ozone Los Angeles EPA

EPA updates VOCs standards for oil and gas storage tanks

Green Car Congress

AUGUST 5, 2013

The US Environmental Protection Agency (EPA) issued final updates to its 2012 volatile organic compounds (VOCs) performance standards for storage tanks used in crude oil and natural gas production and transmission. The new final action does not affect the April 2012 standards for capturing natural gas from hydraulically fractured wells.

EPA

EPA Oil Standards Gas

Study Links Springtime Ozone Increases Above Western North America to Emissions in Asia

Green Car Congress

JANUARY 21, 2010

Springtime ozone distributions for 1984, 1995–2008 in the mid-troposphere (3.0–8.0 Springtime ozone levels above western North America are rising primarily due to air flowing eastward from the Pacific Ocean, a trend that is largest when the air originates in Asia. The US EPA recently proposed new tougher ground-level ozone standards.

North America

North America Ozone Asia America

Oregon EQC approves Clean Trucks Rule

Green Car Congress

NOVEMBER 18, 2021

The HD Omnibus rules strengthen nitrogen oxides and fine particulate matter (PM 2.5 ) emission standards for new truck engines (both diesel and non-diesel engines), in addition to other requirements for these engines.

Oregon

Oregon Clean Cleaning Ozone

FCA recalls 850,000+ gasoline vehicles due to problem with catalytic converters

Green Car Congress

MARCH 14, 2019

NO x emissions in California are the most important contributor to ambient ozone and a key contributor to fine particulate matter pollution (PM 2.5 California is home to both the highest ozone levels (South Coast) and ambient particulate matter levels (San Joaquin Valley) in the United States. 2011-2012 MY Dodge Caliber (PM FWD CVT).

Convert

Convert Gasoline Ozone Dodge

Study: more stringent O3 and PM2.5 air pollution standards could save thousands of lives, greatly improve public health

Green Car Congress

AUGUST 11, 2016

In “Estimated Excess Morbidity and Mortality Caused by Air Pollution above ATS Recommended Standards, 2011-2013,” published online in the August edition of Annals of the American Thoracic Society , researchers report on the annual health benefits of meeting more protective standards recommended by the ATS for O 3 and PM 2.5.

Pollution

Pollution Standards Ozone EPA

Study Concludes Warming Climate Will Increase Ozone Levels in Major California Air Basins; Climate Change and Regional Air Quality Are Intertwined Problems

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. These narrow-focused models utilize high-resolution information about the geography, meteorology and emissions of these areas.

Climate Change

Climate Change Ozone Climate California

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

Green Car Congress

DECEMBER 23, 2016

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

EPA

EPA Standards Ozone 2000

EPA issues emergency fuel waiver for E15 sales

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. Volatility is the property of a liquid fuel that defines its evaporation characteristics.) Reid vapor pressure (RVP) is a common measure of and generic term for gasoline volatility. EPA provides a 1.0

EPA

EPA Fuel Ozone Sale

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

Green Car Congress

DECEMBER 23, 2018

and ozone at or above the current standards have been linked to neuroinflammation and high risk of Alzheimer’s disease (AD). suggesting long-term exposure to PM 2.5 , as well as ozone above the current US EPA standards, are associated with increased risk of Alzheimer’s disease. Exposures to concentrations of PM 2.5

Pollution

Pollution Ozone Mexico Montana

EPA issues ANPR on Clean Trucks Initiative, seeking input from public and stakeholders

Green Car Congress

JANUARY 7, 2020

The eventual CTI rulemaking will establish new, more stringent emission standards for NO x and other pollutants for highway heavy-duty engines. This action follows on the petitions from more than 20 organizations, including state and local air agencies, to revise and promulgate more stringent NO x standards.

EPA

EPA Ozone Clean Cleaning

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

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

Pollution

Pollution Ozone United States Personal

EPA initiates new review of the Ozone National Ambient Air Quality Standards

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

BASF introduces cost-effective upgrade to ozone-VOC converters for healthier aircraft cabin air; UpCore

Global study links daily exposure to ozone pollution to increased risk of death

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

EPA proposes tightening primary ozone standards to range of 65-70 ppb; final rule by October 2015

EPA tightens ground-level ozone standard to 70 ppb

Obama Administration withdraws proposed rulemaking on strengthened ozone standards

Study: ozone levels higher across China than in other countries tracking the air pollutant

China study connects ozone pollution to cardiovascular health

TOAR shows present-day global ozone distribution and trends relevant to health; public database

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

EPA proposes new heavy-duty truck emissions rules

US EPA to Reconsider National Ozone Standards

EPA Proposes New Tougher Ground-Level Ozone Standards

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

US EPA proposes San Joaquin Valley, South Coast, Southeast Desert as failing to meet one hour ozone air standard

EPA proposes stringent new emissions standards for light-, medium-, heavy-duty vehicles for MY 2027 and beyond

Study: surface ozone in India in 2005 damaged 6M tonnes of crops, enough to feed 94M people in poverty

New Mexico adopts Clean Cars Rule

Texas study finds PHEV use could increase ozone at night, decrease ozone during the day

CARB, NOAA, NASA and San Jose State University scientists team up to study ozone transported across Pacific

EPA launches Cleaner Trucks Initiative to update NOx standards for heavy-duty trucks

Rice/EPA study finds ground-level ozone falling faster than CMAQ model predicted

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

Study finds rising temperatures increase risk of unhealthy ozone levels absent sharp cuts in precursors

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

California SCAQMD petitioning EPA for national ultra-low NOx standard for trucks

BASF launches next-generation PremAir NXT catalytic coating technology for direct ozone reduction

EPA Climate Change Adaptation Plan sees likely increase in tropospheric ozone, with more difficulty in attaining NAAQS in many areas

EPA proposes approval of new ozone plans for the two of the worst Air Quality Zones in US: California’s San Joaquin Valley and South Coast

Hyundai Motor puts XCIENT Fuel Cell electric trucks into commercial fleet operation in California with $3.5M from EPA

California ARB approves air quality plan for South Coast Air Basin ahead of 2023 deadline; calls for Federal action

EPA updates VOCs standards for oil and gas storage tanks

Study Links Springtime Ozone Increases Above Western North America to Emissions in Asia

Oregon EQC approves Clean Trucks Rule

FCA recalls 850,000+ gasoline vehicles due to problem with catalytic converters

Study: more stringent O3 and PM2.5 air pollution standards could save thousands of lives, greatly improve public health

Study Concludes Warming Climate Will Increase Ozone Levels in Major California Air Basins; Climate Change and Regional Air Quality Are Intertwined Problems

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

EPA issues emergency fuel waiver for E15 sales

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

EPA issues ANPR on Clean Trucks Initiative, seeking input from public and stakeholders

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

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