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.

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Ozone Global North America Colorado 255

Green Car Congress

NOVEMBER 9, 2016

They found that the increase in ozone burden due to the spatial distribution change slightly exceeds the combined influences of the increased emission magnitude and global methane. Based on their findings, they suggested that emission increases in Southeast, East and South Asia may be most important for the ozone change.

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Ozone Pollution Global North Carolina 230

Green Car Congress

JULY 31, 2019

CSIRO scientists have developed a new way to account for ozone in computer simulations of the climate. This latest modeling shows that the oceans take much less ozone out of the atmosphere than previously thought. Ozone (O 3 ) is formed by reactions of chemicals such as nitrogen oxides and volatile organic compounds—i.e.,

Ozone 150

Ozone Climate Global Water 150

Green Car Congress

MAY 17, 2018

Emissions of one of the chemicals most responsible for the Antarctic ozone hole are on the rise, despite an international treaty that required an end to its production in 2010, a new study by researchers at NOAA and their colleagues shows. —NOAA scientist Stephen Montzka, lead author of the paper.

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Ozone Emissions 2002 2010 170

Green Car Congress

NOVEMBER 7, 2017

Ozone pollution near Earth’s surface is one of the main ingredients of summertime smog. It is also not directly measurable from space due to the abundance of ozone higher in the atmosphere, which obscures measurements of surface ozone. —Jin et al.

Ozone 150

Ozone Insight Netherlands North America 150

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 199

Ozone Climate Change Pollution Climate 199

Green Car Congress

MARCH 8, 2019

This research, published in the journal Separation and Purification Technology , shows that ozone can be used to remove not only SO x but also NO x from fossil fuel combustion exhaust streams. In this study, to improve absorption performance of SO 2 and NO 2 , we added ozone in exhaust gas. Osaka et al. 2018.12.077.

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Exhaust Ozone Japan Diesel 320

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).

EPA 434

EPA Emissions Ozone Pollution 434

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.

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Ozone PHEV Texas San Antonio 218

Green Car Congress

APRIL 11, 2020

We additionally want to supply electricity, gas and heat to industry. The hydrogen produced during electrolysis can be injected into the gas grid, used as fuel, converted into methane or methanol, and made available as industrial feedstock. The hydrogen factory of the future. © Fraunhofer IFF.

Hydrogen 435

Hydrogen Future Design Ozone 435

Green Car Congress

NOVEMBER 18, 2021

Transportation accounts for approximately 40% of statewide greenhouse gas emissions in Oregon and trucks are among Oregon’s fastest-growing sources of greenhouse gas emissions and rising. In Oregon, heavy-duty trucks and buses are responsible for nearly 23% of total transportation sector greenhouse gas emissions.

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Oregon Clean Cleaning Ozone 210

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. Burkholder (2015) “An atmospheric photochemical source of the persistent greenhouse gas CF4” Geophysical Research Letters doi: 10.1002/2015GL066193.

Ozone 150

Ozone Colorado Gas Carbon 150

Green Car Congress

JULY 13, 2011

(Japan) report in the journal Angewandte Chemie the development of a mesoporous two-line ferrihydrite (2LFh)—ferrihydrite is a widespread mineral composed of iron, oxygen, and water—that could lead to a new generation of ozone filters in electrostatic devices and aircraft applications. removal; it showed about 95 % O 3.

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Ozone Toyota Suzuki Pollution 218

Green Car Congress

FEBRUARY 22, 2011

Black carbon and tropospheric ozone are harmful air pollutants that also contribute to climate change. Reducing black carbon and tropospheric ozone now will slow the rate of climate change within the first half of this century, the study said.

Ozone 218

Ozone Climate Carbon Climate Change 218

Green Car Congress

NOVEMBER 17, 2009

A University of Utah engineer has developed an inexpensive new method to remove oil sheen by repeatedly pressurizing and depressurizing ozone gas, creating microscopic bubbles that attack the oil so it can be removed by sand filters. The ozone in the bubble attacks certain pollutants because it is a strong oxidant.

Ozone 199

Ozone Water Oil-Sands Oil 199

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 of oil and natural gas. Reduced gas leakage from long-distance transmission pipeline. Close to 2.5

Ozone 218

Ozone Carbon Climate Change Global 218

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 199

North America Ozone Asia America 199

Green Car Congress

AUGUST 19, 2019

W/m 2 before 2100 without overshoot by employment of a range of technologies and strategies for reducing greenhouse gas emissions.). 55% of land area) by the middle of the century, and would increase by 3% and 4% the population-weighted average concentrations of fine particulate matter (PM 2.5 ) and ozone, respectively. (The RCP 4.5

Climate Change 277

Climate Change Climate Ozone Future 277

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.

Climate Change 262

Climate Change Ozone Climate Carbon 262

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.

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EPA Oil Standards Gas 186

Green Car Congress

JUNE 8, 2023

The levels of these non-fuel-derived gases will likely remain unchanged, even as more drivers transition from gas-powered to electric vehicles. 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.

Emissions 397

Emissions Exhaust Cars Ozone 397

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

JANUARY 28, 2014

Five technology paths for very-low-NO x and GHG emissions from heavy-duty natural gas engines. The “Pathways to Near-Zero-Emission Natural Gas Heavy Duty Vehicles” report, authored by GNA on behalf of Southern California Gas Co. Click to enlarge. Click to enlarge. Background. Click to enlarge.

Climate 257

Climate Gas Emissions California 257

Green Car Congress

JULY 10, 2009

Through a recent modeling experiment, a team of NASA-funded researchers have found that future concentrations of carbon dioxide and ozone in the atmosphere and of nitrogen in the soil are likely to have an important but overlooked effect on the cycling of water from sky to land to waterways. Cronin, J. Melillo, D. Kicklighter, C.

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Ozone Water CO2 MIT 186

Green Car Congress

NOVEMBER 10, 2011

NOAA’s updated Annual Greenhouse Gas Index (AGGI), which measures the direct climate influence of many greenhouse gases such as carbon dioxide and methane, shows a continued steady upward trend. NOAA scientists created the AGGI recognizing that carbon dioxide is not the only greenhouse gas affecting the balance of heat in the atmosphere.

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2010 Gas Ozone 2004 199

Green Car Congress

MAY 7, 2019

Funded in part by a $5-million zero-emissions grant from the Federal Aviation Administration, the electric buses replace the aging compressed natural gas bus fleet that has been operating at SJC since 2008. The electric bus fleet is anticipated to reduce ozone emissions by 1.1

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Fleet International Indianapolis Sacramento 328

Green Car Congress

SEPTEMBER 15, 2016

The California Energy Commission approved a $1-million grant to develop a 12-liter natural gas engine that produces near-zero nitrogen oxide (NO x ) tailpipe emissions. Cummins has a history of developing natural gas engines for heavy-duty application, and its engines are being used globally in a variety of commercial vehicles.

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Grant Gas Engine Energy 150

Green Car Congress

APRIL 29, 2013

In its recently released Inventory of US Greenhouse Gas Emissions and Sinks: 1990 – 2011 ( earlier post ), the US Environmental Protection Agency (EPA) reported that methane (CH 4 ) emissions from the field production of natural gas have declined by 36% from 2007 to 2011 (from 83.1 a global warming potential of 21. (The

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2007 2011 EPA Gas 285

Green Car Congress

JULY 8, 2014

After a critical review of the literature on the air impacts of increased natural gas acquisition, processing, and use, a team of US researchers has determined that that actual measurement data on various individual segments of the natural gas life cycle are sparse or critically lacking. well production end-of-life.

Gas 218

Gas Oil-Sands Emissions Oil 218

Green Car Congress

JULY 28, 2011

The US Environmental Protection Agency (EPA) proposed standards to reduce harmful air pollution from oil and gas drilling operations. Natural gas production in the USis growing, with more than 25,000 new and existing wells fractured or re-fractured each year. Methane, the primary constituent of natural gas, is a potent greenhouse gas.

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Escape Gas EPA Oil 186

Green Car Congress

SEPTEMBER 8, 2011

Relying more on natural gas would reduce emissions of carbon dioxide, but it would do little to help solve the climate problem. The situation is further complicated by uncertainty over the amount of methane that leaks from natural gas operations. Methane is an especially potent greenhouse gas. degree Fahrenheit (less than 0.1

Coal 334

Coal Climate Gas Global 334

Green Car Congress

JANUARY 23, 2020

Despite reports that global emissions of the potent greenhouse gas, HFC-23, were almost eliminated in 2017, an international team of scientists, led by the University of Bristol, has found atmospheric levels growing at record values. This gas has very few industrial applications. —Dr Stanley. Resources. Stanley, D. Krummel, D.

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Emissions India Ozone 2017 199

Green Car Congress

FEBRUARY 27, 2018

When ethane and propane—the most abundant non-methane hydrocarbons (NMHC) in the atmosphere—mix with nitrogen oxides from vehicles and power plants they form tropospheric ozone—a key component of smog and directly linked to increases in mortality. —Professor Ally Lewis, a co-author of the study.

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Emissions Global Ozone 2011 210

Green Car Congress

JANUARY 15, 2021

At cruising altitude, airplanes emit a steady stream of NO x into the atmosphere, where the chemicals can linger to produce ozone and fine particulates. We quantify the effects of these trade-offs in terms of emissions reduction and fuel burn increase using representative engine cycle models provided by a major aero-gas turbine manufacturer.

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MIT Emissions Hybrid Gas-Electric 268

Green Car Congress

OCTOBER 30, 2013

has brought 67 Compressed Natural Gas (CNG) solid waste and recycling trucks to serve customers throughout southern New Jersey and in Philadelphia. One of the more lasting contributions we can make in our community is to protect the environment by reducing ozone-forming emissions wherever possible.

Philadelphia 199

Philadelphia Waste Ozone New Jersey 199

Green Car Congress

DECEMBER 14, 2020

HFCs are synthetic gases that are used in a variety of applications, but mainly to replace ozone-depleting substances in aerosols, foams, refrigeration and air-conditioning. California is required to reduce HFC emissions 40% below 2013 levels by 2030 under Senate Bill 1383.

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Pollution California Commercial Climate 281

Green Car Congress

APRIL 15, 2019

coal, oil, natural gas, and biomass). Among the findings: Summer surface ozone (O 3 ) decreases in most locations due to widespread reductions of traffic NO x emissions. Across scenarios, we found the more cars that transitioned to electric power, the better for summertime ozone levels. Seasons and times of day. Schnell et al.

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Conversion Jordan Ozone Coal 281