Green Car Congress

AUGUST 18, 2020

A new study led by researchers from Northwestern University projects that if electric vehicles replaced 25% of combustion engine cars currently on the road, the United States would save approximately $17 billion annually by avoiding damages from climate change and air pollution. Results show that in more aggressive scenarios—i.e.,

Climate Change 261

Climate Change Pollution Climate 2014 261

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 218

Ozone PHEV Texas San Antonio 218

Green Car Congress

JULY 18, 2022

The California Air Resources Board (CARB) has released the results of a multiyear study evaluating exhaust emissions from the use of California Reformulated Gasoline (CaRFG) that contains 15 volume percent ethanol (E15). The study used two fuels—an E10 and E15. SULEV30, ULEV50, ULEV70, and ULEV125).

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Fuel Economy Economy Fuel Ozone 186

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

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

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.

Emissions 286

Emissions Diesel Ozone United States 286

Green Car Congress

JANUARY 21, 2014

Average annual percentage of black carbon pollution related to Chinese exports. Dust, ozone and carbon can accumulate in valleys and basins in California and other Western states. All the contaminants tracked in the study are key ingredients in unhealthy smog and soot. Credit: Lin et al. Click to enlarge.

Pollution 318

Pollution Chinese Manufacturer Ozone 318

Green Car Congress

APRIL 11, 2019

About 4 million children worldwide develop asthma each year because of inhaling nitrogen dioxide (NO 2 ) air pollution, according to an open-access study published in The Lancet Planetary Health by researchers at the George Washington University Milken Institute School of Public Health (Milken Institute SPH).

Pollution 360

Pollution United Arab Emirates South Korea Las Vegas 360

Green Car Congress

AUGUST 24, 2018

Scientists around Professor Thomas Münzel, Director of Cardiology I at the Department of Cardiology at the Medical Center Mainz of Johannes Gutenberg University Mainz (JGU), reviewed the mechanisms responsible for vascular damage from air pollution together with scientists from the UK and the US. —Münzel et al.

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Pollution Insight Ozone Cleveland 220

Green Car Congress

AUGUST 25, 2014

The human health benefits associated with improvements in air quality related to the reduction in greenhouse gas emissions improvements can offset 26–1,050% of the cost of US carbon policies, depending upon the type of policy, according to a new study by a team from MIT. Carbon-reduction policies significantly improve air quality.

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MIT Carbon Climate Climate Change 231

Baua Electric

APRIL 5, 2024

A new study from UC Berkeley confirms what EV fans already know: EV adoption does, in fact, make the air cleaner. Perhaps even more importantly, the study offers some quantifiable, granular data about how much electric vehicles are impacting emission rates in the here and now, not in the foreseeable future. annually. “We

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San Francisco Rhode Island CO2 San Jose 52

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.

Ozone 186

Ozone Water CO2 MIT 186

Green Car Congress

MAY 1, 2018

NO x emissions have not been decreasing as expected in recent years (2011–2015) when comparing top-down estimates from satellites and surface NO 2 measurements to the trends predicted from the US Environmental Protection Agency’s emission inventory data, according to a new study by an international team of researchers. Click to enlarge.

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Emissions Ozone Pollution EPA 150

Green Car Congress

JULY 17, 2017

The study is published in the journal Nature Communications. Geiger and Alberto Salvo, an associate professor of economics at the National University of Singapore, led the study—their second with São Paulo big data. At the same time, nitric oxide and carbon monoxide concentrations tended to go up. are not regulated.

Gasoline 150

Gasoline Singapore Brazil Ozone 150

Green Car Congress

AUGUST 29, 2013

1,000 to 21,000) deaths due to changes in ozone concentrations. 900 to 11,000) ozone-related early deaths per year. 300 to 4,000) ozone-related premature mortalities per year. 2000 (90% CI: 0–4,000) early deaths from ozone, according to the study. 53,000 (90% CI: 24,000–95,000) PM 2.5 related premature deaths and

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MIT Emissions Ozone Power 378

Green Car Congress

JUNE 27, 2017

According to a new study led by a team at Duke University, airborne particulate matter and dust are cutting solar photovoltaic energy output by more than 25% in certain parts of the world, with roughly equal contributions from ambient PM and PM deposited on photovoltaic surfaces. Credit: ACS, Bergin et al. Click to enlarge.

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Solar Energy Global Production 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.

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Ozone Water Oil-Sands Oil 199

Green Car Congress

MARCH 17, 2010

In a new study published online 10 March in the ACS journal Environmental Science and Technology , however, Stanford University professor Mark Jacobson finds that local CO 2 emissions in isolation may increase local ozone and particulate matter. Not all carbon dioxide emissions are equal. Jacobson, 2010. Mark Jacobson.

Ozone 218

Ozone Los Angeles Pollution CO2 218

Green Car Congress

OCTOBER 30, 2017

Based on their findings in a new study, researchers from the University of Washington and the University of Minnesota suggest that modifying urban form—as a means of affecting motor vehicle usage—may be a strategy to mitigate urban air pollution. is attributable to motor vehicles. —Bechle et al.

Pollution 231

Pollution New Zealand Minnesota Ozone 231

Green Car Congress

APRIL 21, 2011

Scientists from the US, Norway, Russia, Germany, Italy and China are participating in a study examining the potential role of black carbon, or soot, on the rapidly changing Arctic climate. Black carbon is contributing to this warming. We need to better understand the behavior of black carbon in the Arctic.

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Climate International Ozone Norway 199

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. —Dunmore et al. Dunmore et al. Dunmore et al.

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London Pollution Diesel Emissions 150

Green Car Congress

SEPTEMBER 9, 2012

A recent study by an international team calculated that shipping causes a net cooling of climate across all parametrizations of the indirect aerosol effect (IAE) and scenarios throughout the period 1900? A recent study commissioned by the International Maritime Organization (IMO) estimated total emissions of 1046 Tg CO 2 yr ?1

Climate 240

Climate Emissions Ozone 2007 240

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. As a result, they reported that they had almost completely eliminated HFC-23 emissions by 2017.

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Emissions Ozone India 2017 199

Green Car Congress

APRIL 11, 2014

Their study is published in Geophysical Research Letters. Chlorofluorocarbons (CFCs)—commonly used in refrigerators and air conditioners—play a role in creating a hole in the ozone layer over Antarctica. Despite this, synthetic greenhouse gases (SGHGs) beyond the CFCs have received relatively little attention up to now.

Climate 199

Climate Ozone Climate Change MIT 199

Green Car Congress

SEPTEMBER 8, 2011

The study will appear next month in the peer-reviewed journal Climatic Change Letters. Relying more on natural gas would reduce emissions of carbon dioxide, but it would do little to help solve the climate problem. The study underscores the complex and sometimes conflicting ways in which fossil fuel burning affects Earth’s climate.

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Coal Climate Gas Global 334

Green Car Congress

AUGUST 11, 2016

are based on scores of national and international epidemiological, animal and human exposure studies. In addition to ozone and particulate matter, the other pollutants are lead, carbon monoxide, nitrogen dioxide and sulfur dioxide. The ATS recommended standards for O 3 and PM 2.5

Pollution 150

Pollution Standards Ozone EPA 150

Green Car Congress

JUNE 1, 2017

Traffic contributes more to NO x emissions in Europe than previously thought, according to a new study by a team at the University of Innsbruck. A large number of new studies have recently been published suggesting that emission levels from test stands have to be adjusted upwards. We record 36,000 data points per hour.

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Europe Diesel Emissions Pollution 150

Green Car Congress

SEPTEMBER 1, 2012

Although viewed as a potential target in the global effort to reduce climate change, atmospheric black carbon particles absorb significantly less sunlight than scientists have predicted, according to a new study by an international team of researchers, published in the journal Science. Earlier post.). Earlier post.).

Climate 261

Climate Climate Change Carbon Boston 261

Green Car Congress

DECEMBER 22, 2010

Nitrous oxide is a potent greenhouse gas that contributes to climate change and stratospheric ozone destruction. —Jake Beaulieu of the University of Notre Dame and the US EPA, and lead author of the PNAS paper. Their work was part of a broader cross-site study of nitrogen processing in streams.

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New Hampshire Global Climate Change Ozone 199

Green Car Congress

JUNE 13, 2009

University of California, Davis researchers will receive $2.8 million in new grants to study the use and impacts of escaped nitrogen from agricultural production. The new studies should improve data-collection methods, said Agricultural Sustainability Institute researcher Johan Six, a professor in the Department of Plant Sciences.

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Davis Escape Ozone California 240

Green Car Congress

MARCH 16, 2012

eutrophication; ET = ecological toxicity; FEC = fossil energy consumption; WU = water use; LO = land occupation; “The rest” includes acidification; smog formation; ozone layer depletion; and human health effects. GW = global warming; Eut. Credit: ACS, Yang et al. Click to enlarge. —Yang et al. Process flow diagrams for E85 and gasoline.

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Gasoline Water Emissions Minnesota 357

Green Car Congress

APRIL 7, 2015

Results from a new study by researchers at the University of California Irvine support a growing body of scientific literature indicating that sensitive populations, including children, certain ethnic groups and people of lower socioeconomic status, are more vulnerable to the effects of high exposures to traffic-related air pollution.

Pollution 150

Pollution California Davis Ozone 150

Green Car Congress

MARCH 27, 2010

The Asian monsoon circulation provides an effective pathway for pollution from Asia, India, and Indonesia to enter the global stratosphere, according to a new international study led by scientists at the National Center for Atmospheric Research (NCAR) in Boulder, Colo. William Randel.

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Pollution Asia Indonesia Ozone 246

Green Car Congress

JANUARY 27, 2015

The first study to conduct a comprehensive evaluation of lifetime exposure to new technology diesel exhaust (NTDE)—i.e., The study exposed laboratory rats 80 hours a week, for up to 30 months, to emissions from a heavy-duty diesel engine meeting 2007 US EPA standards using new filters and other control technology.

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Exhaust Diesel Engine 2007 150

Green Car Congress

JULY 29, 2010

Controlling soot from fossil fuels and solid biofuels may be a faster method of reducing Arctic ice loss and global warming than other options, including controlling CH 4 or CO 2 , although all controls are needed, according to a new study by Dr. Mark Z. Jacobson at Stanford University. Mark Jacobson. Dessler et al., Dessler et al.,

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Global Ozone CO2 Pollution 230

Green Car Congress

SEPTEMBER 25, 2016

These were shown to be ozone-depleting, however, and were targeted for phasing out under the 1987 Montreal Protocol. However, HFC-134a, while having zero ozone-depletion potential, has a very high global warming potential—more than 1,500 times as much warming as an equivalent amount of CO 2. Cambridge University Press.

China 150

China Ozone Chinese United States 150

Green Car Congress

OCTOBER 15, 2018

Researchers at Tohoku University in Japan have identified a way to reduce harmful NO emissions produced by ammonia fuel during combustion. The finding helps advance research into ammonia as an alternative to carbon-based fuels for cars, airplanes, and power generation facilities. Copyright : Taylor & Francis.

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Emissions Hydrogen Fuel Global 308