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.

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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.

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Ozone Climate Change Pollution Climate 199

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. This is good news. —Daniel Cohan, co-author.

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Green Car Congress

MAY 25, 2011

have developed a simulator able to predict tropospheric ozone concentrations across the whole of South and East Asia. The project was carried out in collaboration with Tsinghua University in China, The Energy and Resources Institute (TERI) in India, and the International Institute for Applied Systems Analysis (IIASA) in Austria.

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Green Car Congress

JANUARY 8, 2023

Research teams will also measure concentrations of exhaust pollutants in an attempt to disentangle non-tailpipe and tailpipe pollution, to better understand how each effects human health. Assessing the Impact of Non-exhaust Emissions from Traffic on the Asthmatic Airway (IONA) ,” led by Chris Griffiths, Queen Mary University of London.

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Emissions Pollution Exhaust London 353

Green Car Congress

APRIL 15, 2019

Researchers from Northwestern University and Princeton University have explored the impact on US air quality from an aggressive conversion of internal combustion vehicles to battery-powered electric vehicles (EVs). Across scenarios, we found the more cars that transitioned to electric power, the better for summertime ozone levels.

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Conversion Jordan Ozone Coal 281

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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Green Car Congress

OCTOBER 1, 2019

Freight transportation is a pillar of the US national economy, but while long-haul trucks account for less than 6% of the vehicle miles traveled over US highways, they account for about 40% of the emissions of air polluting particulate matter and about 55% of nitrogen oxides, the precursor to ozone in the atmosphere, the study said.

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Emissions Diesel Ozone United States 286

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.

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Pollution San Diego Ozone 2012 236

Green Car Congress

AUGUST 29, 2013

Researchers from MIT’s Laboratory for Aviation and the Environment have concluded that ground-level PM 2.5 Researchers from MIT’s Laboratory for Aviation and the Environment have concluded that ground-level PM 2.5 1,000 to 21,000) deaths due to changes in ozone concentrations. 900 to 11,000) ozone-related early deaths per year.

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MIT Emissions Ozone Power 378

Green Car Congress

FEBRUARY 12, 2016

New research shows that household (indoor) and outdoor air pollution contribute to more than 5.5 In the context of the Global Burden of Disease 2013 study ( earlier post ), researchers from Canada, the United States, China and India quantified air pollution levels and attributable health impacts for 188 countries for the period 1990-2013.

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Pollution Coal Asia India 150

Green Car Congress

SEPTEMBER 27, 2015

The study found that 60% of the winter primary hydrocarbon hydroxyl radical reactivity in London is from those diesel-related hydrocarbons; the authors predicted that the longer-chain HCs contribute up to 50 % of the ozone production potential in London.

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London Pollution Diesel Emissions 150

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 ?4

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Pollution Mexico Montana Ozone 150

Green Car Congress

MARCH 17, 2010

While the existence of higher CO 2 levels overs cities—CO 2 domes—has been known for more than a decade, their effects on local air pollution has up to now not been explored. As such, reducing locally emitted CO 2 may reduce local air pollution mortality even if CO 2 in adjacent regions is not controlled. Mark Jacobson.

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Ozone Los Angeles Pollution CO2 218

Green Car Congress

MAY 1, 2018

They found that levels of pollutants that can contribute to the formation of ground-level ozone, or smog, have failed to continue a fairly steady decline as estimated by the US Environmental Protection Agency. The researchers analyzed extensive satellite and ground-based measurements of nitrogen oxides and carbon monoxide.

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Emissions Ozone Pollution EPA 150

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. Benjamin Felzer, Lehigh University.

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Ozone Water CO2 MIT 186

Green Car Congress

MARCH 22, 2018

However, emissions do not just remain in conurbations; particles and gaseous pollutants can be transported thousands of kilometers by the wind. The University of Bremen is the scientific base of the international project known as EMeRGe (Effect of Megacities on the transport and transformation of pollutants on the Regional and Global scales).

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Emissions Taiwan Asia Ozone 268

Green Car Congress

MAY 15, 2017

in collaboration with scientists at the University of York’s Stockholm Environment Institute (SEI); University of Colorado; and the International Institute for Applied Systems Analysis, assessed 30 studies of vehicle emissions under real-world driving conditions in 11 major vehicle markets representing 80% of new diesel vehicle sales in 2015.

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Diesel International Emissions Ozone 230

Green Car Congress

NOVEMBER 13, 2017

Although China and India remain the world’s largest consumers of coal, a new University of Maryland-led study found that China’s sulfur dioxide emissions fell by 75% since 2007, while India’s emissions increased by 50%. Sulfur dioxide is an air pollutant that causes acid rain, haze and many health-related problems. Click to enlarge.

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India 2007 Emissions Aura 170

Green Car Congress

JUNE 27, 2011

The flights will be supported by the US Environmental Protection Agency (EPA) and will aid EPA in monitoring pollutants. The fundamental challenge for satellites measuring air quality is to distinguish between pollution near the surface and pollution higher in the atmosphere. Measuring pollution from space.

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Ozone Maryland Pollution Baltimore 186

Green Car Congress

JULY 19, 2009

Using biodiesel in construction vehicles offers promising environmental benefits in terms of reduced tailpipe emissions as well as reductions in fuel cycle emissions of selected pollutants, according to a new study by researchers at North Carolina State University. ozone, PM) problems may be less pressing. Shih-Hao Pang, H.

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Pollution Vehicles North Carolina Diesel 150

Green Car Congress

SEPTEMBER 8, 2011

While coal use causes warming through emission of heat-trapping carbon dioxide, it also releases comparatively large amounts of sulfates and other particles that, although detrimental to the environment, cool the planet by blocking incoming sunlight. The study will appear next month in the peer-reviewed journal Climatic Change Letters.

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Green Car Congress

JULY 29, 2010

Jacobson at Stanford University. Jacobson used a computer model of global climate, air pollution and weather that he developed over the last 20 years and updated to include additional atmospheric processes to analyze how soot can heat clouds, snow and ice. Jacobson is a senior fellow at the Woods Institute for the Environment.

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Cars That Think

DECEMBER 19, 2021

Up there, 10 to 50 kilometers above the Earth’s surface, ozone molecules absorb the sun’s ultraviolet light, protecting life far below. Even less is understood about the potential risks to people and the environment—could the particles deplete the ozone layer, for example, or significantly alter the weather? about 0.6 °C.

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Ozone Solar Climate Change Climate 119

Green Car Congress

NOVEMBER 11, 2018

New research by George Mason University found that exposure to certain air pollutants is linked to increased emergency department (ED) visits for respiratory and cardiovascular diseases. The study is published in the journal Environment International. nitrogen oxides) and secondary (e.g. —Krall et al.

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Pollution St. Louis Dallas Atlanta 353

Green Car Congress

APRIL 21, 2011

In addition to its impacts on snow and ice, black carbon is an air pollutant.

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Climate International Ozone Norway 199

Green Car Congress

MAY 2, 2016

the criteria pollutants and CO 2 that emerge with the exhaust from the tailpipe. As reported earlier here ( earlier post ) a recent literature review by a team from the University of Edinburgh (Timmers et al. EVs have no exhaust emissions and reduced non-exhaust pollutants as well as low electricity generation associated emissions.

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Exhaust Emissions Belgium Gasoline-Electric 150

Green Car Congress

JUNE 9, 2009

Inventorying criteria air pollutants showed that vehicle non-operational components often dominate total emissions. Life-cycle criteria air pollutant emissions are between 1.1 All components appear in the order they are shown in the legend.). Chester and Horvath (2009). Click to enlarge. and 800 times larger than vehicle operation.

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Light Emissions Energy Boston 150

Green Car Congress

APRIL 1, 2009

Markey of the Energy and Environment Subcommittee on Tuesday released a draft of far-reaching energy and climate legislation that targets job creation, promotes renewables and energy efficiency, and places limits on emissions of greenhouse gases. Title III, Reducing Global Warming Pollution , (the cap-and-trade title), has eight subsections.

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Climate Standards Carbon California 186

Green Car Congress

JULY 18, 2010

Researchers at the University of Colorado, Boulder and the National Renewable Energy Laboratory (NREL) modeled the emissions impact had plug-in hybrid electric vehicles (PHEVs) replaced light duty gasoline vehicles in the Denver, Colorado area in summer 2006. Ozone concentration increases were modeled for small areas near central Denver.

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Denver Ozone PHEV Colorado 170

Green Car Congress

APRIL 3, 2009

The SCOPE (Scientific Committee on Problems of the Environment) International Biofuels Project, has published the full proceedings of its Rapid Assessment workshop on the environmental effects of biofuel technologies, 22-25 September 2008. SCOPE is part of the International Council for Science. The methodology used by Searchinger et al.

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Conversion Water Emissions 2009 150

Cars That Think

DECEMBER 16, 2022

There is an exception to that in the category of what they call super pollutants, the very powerful but shorter-lived gases and chemicals that come from things like fertilizer production, methane. So those are really important, and those are a little bit different. And that was based on observations of volcanoes. They also mix with clouds.

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Climate IDEA Mariner Carbon 71

Cars That Think

SEPTEMBER 7, 2021

Take, for example, the tens of thousands of fossil-fueled ships that chug across the ocean, spewing plumes of pollutants that contribute to acid rain, ozone depletion, respiratory ailments, and global warming. As we confront the enormous challenge of climate change, we should take inspiration from even the most unlikely sources.

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Climate Climate Change Solar Mariner 145

Green Car Congress

AUGUST 9, 2009

Isoprene, a five-carbon diene formed naturally in plants and animals and a precursor of ozone, contributes more than 40% of these emissions. The scientists pointed out that converting the epoxides to aerosol is likely to be higher in polluted environments, because the aerosols’ acidity is generally higher when human activity is present.

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