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. has fully characterized a key chemical reaction that affects the formation of pollutants in smoggy air in urban areas. Credit: Caltech/Mitchio Okumura.

Ozone

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

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

Green Car Congress

SEPTEMBER 12, 2014

Children living in polluted megacities are at increased risk for brain inflammation and neurodegenerative changes, including Alzheimer or Parkinson’s disease, according to a study led by University of Montana Professor Dr. Lilian Calderón-Garcidueñas and her colleagues. —Calderón-Garcidueñas et al.

Pollution

Green Car Congress

DECEMBER 19, 2012

Boxes represent pollution reading locations during that window. Computer scientists at the University of California, San Diego have built a portable pollution sensors that transmit transmit their air quality readings to smart phones, allowing users to monitor air quality in real time. Nikzad et al. Click to enlarge. Click to enlarge.

Pollution

Green Car Congress

FEBRUARY 16, 2018

The results, published in an open-access paper in the journal Science , suggest that the focus of efforts to mitigate ozone formation and toxic chemical burdens need to be adjusted, the authors suggested. Even so, lotions, paints and other products contribute about as much to air pollution as does the transportation sector.

Pollution

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. Excess runoff can also contribute to flooding.

Ozone

Green Car Congress

FEBRUARY 18, 2019

Cooking, cleaning and other routine household activities generate significant levels of volatile and particulate chemicals inside the average home, leading to indoor air quality levels on par with a polluted major city, according to a study by researchers at the University of Colorado Boulder. Earlier post.).

Pollution

Green Car Congress

AUGUST 16, 2019

The $461,000-project, titled “Heterogeneous Aging Mechanisms of Combustion and Biomass Burning Emissions,” will focus on how gases, such as ozone, react with pollutants emitted from power plants and forest fires. Guzman and his students will study how these pollutants are transformed on surfaces by oxidizing atmospheric gases.

Kentucky

Green Car Congress

MAY 8, 2015

The California Air Resources Board (ARB) has released , for public review, a concept paper to initiate discussion on the development of a Short-Lived Climate Pollutant Reduction Strategy. Short-lived climate pollutants (SLCPs) include methane, tropospheric ozone, black carbon, and fluorinated gases.

Pollution

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

Green Car Congress

MAY 28, 2010

The California Air Resources Board (ARB) and the National Oceanic and Atmospheric Administration (NOAA) are collaborating in the $20-million CalNex research project to examine the nexus between air pollution and climate change. The complex roles that ozone and aerosols play in the atmosphere provide examples of such trade-offs.

Climate Change

Green Car Congress

APRIL 19, 2013

A study by a team of researchers from France and the US found that the origin of volatile hydrocarbons, other than methane, present in city air is mainly gasoline-powered vehicles. times greater than in Los Angeles due to the greater overall volatile hydrocarbon pollution in the latter city. Borbon, A., Gilman, W. Chevaillier, A.

Los Angeles

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

Green Car Congress

OCTOBER 14, 2009

HFCs are powerful greenhouse gases originally developed as substitutes for ozone-depleting chemicals. A binding legal agreement exists that can cut HFCs now—the Montreal Protocol ozone treaty—and many alternatives to HFCs have already been developed and are waiting for the right regulatory incentive from the Montreal Protocol to be deployed.

Climate Change

Green Car Congress

MAY 16, 2011

Data collected during a major 2010 state-federal atmospheric research project show that the first-in-the-nation regulation requiring ocean-going vessels to use clean fuel when near the California coast has been extremely effective in reducing sulfur dioxide pollution from ships, according to the California Air Resources Board (ARB).

Pollution

Green Car Congress

OCTOBER 20, 2012

They found that the level of emissions of regulated and unregulated pollutants in diesel exhaust depends on fuel, load, engine calibration, and exhaust aftertreatment technology. Unregulated pollutants also include ozone precursors and bioaccumulative and toxic compounds. L) and medium-duty (6.4 L/2002 calibration and 6.4

Pollution

Green Car Congress

MAY 17, 2020

The program determines the environmental balance of vehicles with different size classes and powertrains, and presents the results in comparative graphics. Deterioration of the ozone layer [kg CFC-11-eq.]. The Carculator graphically presents these values for all selected vehicles in parallel, for ease of comparison.

Mariner

Green Car Congress

AUGUST 29, 2011

Urban regions account for an ever increasing fraction of Earth’s population, and are consequently an ever increasing source of air pollutants. These pollutants include anthropogenic aerosols, which have important climate and health implications.

MIT

Green Car Congress

OCTOBER 30, 2009

As a result of their findings, published in the 30 October issue of the journal Science , the authors argue that assessments of multigas mitigation policies, as well as any separate efforts to mitigate warming from short-lived pollutants, should include gas-aerosol interactions. Similar reactions influence the creation of nitrate aerosols.

Climate Change

Green Car Congress

DECEMBER 10, 2016

Air pollution impairs the function of blood vessels in the lungs, according to a study of more than 16,000 patients presented at EuroEcho-Imaging 2016. The study examined the effect of air pollution on pulmonary haemodynamics (blood flow) in a population and in individuals. Increases in PM 10 and PM 2.5

Pollution

Green Car Congress

FEBRUARY 12, 2015

A study by researchers from the US, Mexico and Canada has found that children’s urban air pollution exposures result in systemic and brain inflammation and the early hallmarks of Alzheimer’s disease (AD). The study found that clinically healthy children who live in a polluted environment and who also carry a gene—the apolipoprotein ?

Pollution

Green Car Congress

JANUARY 16, 2012

Our results will have a significant impact on our understanding of the oxidizing capacity of the atmosphere and have wide ranging implications for pollution and climate change. In the present case, CH 2 OO can be distinguished from its more stable isomer, formic acid (HCOOH), because of their differing thresholds for photoionization.

Ozone

Green Car Congress

AUGUST 17, 2015

The scientists are presenting their findings based on field studies conducted in Leipzig, Germany, and Toronto, Canada, at the 250 th National Meeting & Exposition of the American Chemical Society (ACS). When in the air, these compounds may combine with volatile organic compounds to produce ozone, the main component of smog.

Ozone

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. The study used data collected from 20 observatories world-wide.

Emissions

Green Car Congress

OCTOBER 11, 2012

Researchers from the University of Minnesota have produced a spatially and temporally explicit life cycle inventory (LCI) of air pollutants from gasoline, ethanol derived from corn grain, and ethanol from corn stover for the contiguous US (the lower 48 states). The researchers included a sixth pollutant, ammonia (NH 3 ).

Gasoline

Green Car Congress

JANUARY 28, 2014

Compared to the 2010 “Business as Usual” scenario—which includes all adopted emission control measures for the South Coast—NO x levels must be reduced by 65% and by 75% to meet the 2023 and 2032 ozone standards, respectively. An 80% reduction of GHG emissions is targeted for 2050, relative to 1990 levels.

Gas

Green Car Congress

AUGUST 25, 2014

In fact, policies aimed at cutting carbon emissions improve air quality by a similar amount as policies specifically targeting air pollution. The study is the most detailed assessment to date of the interwoven effects of climate policy on the economy, air pollution, and the cost of health problems related to air pollution.

MIT

Green Car Congress

JULY 24, 2020

The program will demonstrate that a suite of commercially available, EPA-rail-certified engines present a near-term, low-risk solution to create an affordable RNG hybrid line-haul locomotive with near zero emissions while simultaneously improving fuel cost by 50%. g/bhp-hr of NOx, a reduction of 400 times.

Grant

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

Green Car Congress

JANUARY 14, 2021

If fuel vapor is released into the atmosphere, it contributes to a category of pollutants known as evaporative emissions. This category of emissions is the largest source of volatile organic compounds (VOCs) produced by automobiles, which are a main source of haze, ozone, and particulate matter.

Eaton

Green Car Congress

APRIL 2, 2012

BC is a significant component of particulate matter (PM) pollution, which has been linked to adverse health and environmental impacts through decades of scientific research. Most of this infrared radiation passes through the atmosphere, but some is absorbed by GHG molecules like CO 2 , methane, ozone and others. Earlier post.).

Congress

Green Car Congress

APRIL 29, 2016

Ethane reacts with sunlight and other molecules in the atmosphere to form ozone, which at the surface can cause respiratory problems, eye irritation and other ailments and damage crops. A snapshot from a simulation of how Bakken oil field hydrocarbon emissions including ethane affect North American ground-level ozone concentrations.

Ozone

Green Car Congress

SEPTEMBER 9, 2012

In addition to CO 2 , other compounds such as ozone (O 3 ) precursors (nitrogen oxides (NO x =NO+NO 2 ), carbon monoxide (CO), and volatile organic compounds (VOCs)) and aerosols such as black carbon (BC) and organic carbon (OC) are emitted by ships. 1 from shipping in 2007, corresponding to 3.3% 1 of the total ship emissions in 2007.

Climate

Green Car Congress

MAY 12, 2017

Recent studies have compared emissions of PFI and GDI vehicles, including particle number and mass, gaseous pollutants, and nonmethane organic gas (NMOG) composition for a limited number of compounds. We estimate ozone and SOA formation potential. Finally, we analyze the potential climate effects of switching a PFI to a GDI fleet.

Fleet

Green Car Congress

SEPTEMBER 30, 2017

At this year’s workshop, there will be updates from last year with presentations from ports authorities, terminal operators, trucking companies, hydrogen and fuel cell technology providers, and State funding agencies. This workshop is the follow-up to the Hydrogen and Fuel Cells in the Ports Workshop 2016, held in Port of Los Angeles.

California

Green Car Congress

OCTOBER 20, 2020

The US Environmental Protection Agency’s (EPA) Targeted Air Shed Grant Program focuses on the regions that have the highest ozone and particulate matter (PM) pollution, including California’s South Coast Air Basin. tons of NO x , 1.317 tons of PM 2.5 , and 53,160 tons of CO 2.

Volvo