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. Resources.

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Exhaust Ozone Japan Diesel 320

Green Car Congress

MAY 15, 2017

A new international study has found that laboratory tests of nitrogen oxide emissions from diesel vehicles significantly underestimate the real-world emissions by as much as 50%. Real-world NO x emission factors by vehicle emissions standard in key regions. A paper on the work is published in the journal Nature.

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Diesel International Emissions Ozone 230

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. Although the space and time-averaged emission (STAE) of NO was found to decrease with increase in the global equivalence ratio (global ?) Copyright : Taylor & Francis.

Emissions 308

Emissions Hydrogen Fuel Global 308

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.

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Emissions Ozone Pollution EPA 150

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). One hybrid electric vehicle (HEV) equipped with a PFI engine was also used. SULEV30, ULEV50, ULEV70, and ULEV125).

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Fuel Economy Economy Fuel Ozone 186

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

MAY 29, 2014

In the Tianjin study, they team fueled a four-cylinder light-duty diesel engine fueled with CFT and DF, identifying 13 individual carbonyl compounds in the exhaust. Under the engine operating conditions used, formaldehyde and acetaldehyde were the dominant carbonyl compounds for both test fuels. Jakober, 2008). CFT had 16.5–44.1%

Coal 210

Coal Diesel Emissions Fuel 210

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. —Professor Andy Hong. Water from mining of oil sands and oil shale. Heavy metals in soil.

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Ozone Water Oil-Sands Oil 199

Green Car Congress

DECEMBER 20, 2021

Advanced ignition technologies, such as those offered by TPS, have been widely recognized as enablers to achieving higher combustion efficiency and lower emissions for gasoline-powered engines. In particular, TPS technology offers a groundbreaking approach to reducing emissions from combustion engines and improving the environment.

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Commercial Los Angeles Exhaust Ozone 243

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

FEBRUARY 16, 2018

Consumer products such as shampoo, cleaning products and paint now contribute as much to emitted volatile organic compounds (VOCs) in cities as tailpipe emissions from vehicles, according to a new study led by NOAA. Total VOC emission factors for end uses of petrochemical sources in the study. McDonald et al. Click to enlarge.

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Pollution Transportation Production Los Angeles 264

Green Car Congress

OCTOBER 20, 2018

A new study led by researchers at the University of North Carolina at Chapel Hill has found that deaths related to air pollution in the US were nearly halved between 1990 and 2010. and ozone from a 21-year computer simulation of air pollution across the US. Zhang, West and colleagues analyzed concentrations of PM 2.5 Hogrefe, C.,

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Pollution 2010 Ozone North Carolina 265

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. the inventory emission estimation is consistent with the study’s observations.

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London Pollution Diesel Emissions 150

Green Car Congress

SEPTEMBER 9, 2012

This continued shorter-term cooling response caused by certain emissions does not negate the necessity for reductions in CO 2 emissions, which are crucial to limiting the long-term warming impact of the sector, the researchers cautioned. of the total anthropogenic CO 2 emissions in that year.

Climate 240

Climate Emissions Ozone 2007 240

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.).

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Pollution Ozone Clean Cleaning 207

Green Car Congress

JANUARY 27, 2015

exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. The engine was run on a unique and strenuous operating cycle that represented more closely the behavior of modern engines than operating cycles used in older long-term studies of TDE.

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Exhaust Diesel Engine 2007 150

Green Car Congress

AUGUST 9, 2012

VOCs, primarily emitted from the tailpipes of vehicles, are a key ingredient in the formation of ground-level ozone which, at high levels, can harm people’s lungs and damage crops and other plants. Cooperative Institute for Research in Environmental Sciences (CIRES) at the University of Colorado Boulder. —Warneke et al.

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Los Angeles Gasoline Ozone 2002 285

Green Car Congress

MAY 2, 2016

Regulatory regimes seeking to reduce emissions from transport have largely focused on tailpipe emissions—i.e., 2013 found that the ratio of non-exhaust to exhaust particles is strongly increasing in the last two decades, due to exhaust emission reductions. Further, a 2013 review by Denier van der Gon et al. earlier post ).

Exhaust 150

Exhaust Emissions Belgium Gasoline-Electric 150

Green Car Congress

MARCH 17, 2020

Dr Sara De Matteis, Associate Professor in Occupational and Environmental Medicine at Cagliari University, Italy, and member of the ERS Environmental Health Committee said: Urban air quality has improved in the last half century, but petrol and especially diesel vehicle fumes remain a serious problem.

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Pollution Clean Cleaning Italy 269

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. It has been a challenge to determine how much each polluter contributes to the emission output. The majority of the emissions is caused by diesel cars. —Thomas Karl.

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Europe Diesel Emissions Pollution 150

Setec Powerr

AUGUST 20, 2021

million is coming to 26 government agencies, universities, and electric utilities in Louisiana. Volkswagen sold about 590,000 vehicles equipped with devices that defeated their pollution control features, leading to increased emissions of oxide. Net-zero carbon emissions by 2050 are the governor’s goal. Another $7.3

Electric Vehicles 52

Electric Vehicles Louisiana Charging Grant 52

Green Car Congress

JUNE 26, 2015

John Wall, Vice President and Chief Technical Officer of diesel engine manufacturer Cummins Inc., Wall for his leadership role in the development and implementation of all the major technology advancements ultimately leading to the near-zero levels of emissions of particulate matter and oxides of nitrogen from engines.

Climate Change 150

Climate Change Pollution Climate Ozone 150

Green Car Congress

JUNE 27, 2011

These sites will supplemented by additional instrumentation provided by NASA, EPA, Howard University, Pennsylvania State University, the University of Maryland-Baltimore County, and Millersville University in Pennsylvania. Both aircraft will measure ozone and a mixture of soot and PM.

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Ozone Maryland Pollution Baltimore 186

Green Car Congress

SEPTEMBER 25, 2016

The ICCT team assessed baseline and alternative system emissions under a variety of different transition pathways using an ICCT model of MAC emissions in the passenger vehicle fleet. These were shown to be ozone-depleting, however, and were targeted for phasing out under the 1987 Montreal Protocol. relative to HFC-134a and 98.6%

China 150

China Ozone Chinese United States 150

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. 7b00197.

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Solar Energy Global Production 218

Green Car Congress

FEBRUARY 12, 2016

of all global deaths) caused by outdoor fine particulate air pollution and an additional 215,000 deaths from exposure to ozone. —Michael Brauer, a professor at the University of British Columbia’s School of Population and Public Health. They found that in 2013 there were 2.9 million deaths (5.3% million deaths in 2013.

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Pollution Coal Asia 2013 150

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? cancel the launch. “The

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Ozone Solar Climate Change Climate 114

Green Car Congress

DECEMBER 10, 2016

and ozone on pulmonary circulation on the same day and over five and ten days. —lead author Dr Jean-Francois Argacha, a cardiologist at the University Hospital (UZ) Brussels, Belgium. The population study showed a negative effect of PM 10 , PM 2.5 Patients with obstructive sleep apnea were at greater risk.

Pollution 150

Pollution 2016 Exhaust Ozone 150

Green Car Congress

MARCH 29, 2017

Results from CHIE studies are used to inform the periodic review of National Ambient Air Quality Standards (NAAQS) for common pollutants, such as ozone and particulate matter (PM), and advise other policy decisions. National Academies of Sciences, Engineering, and Medicine. Controlled Human Inhalation-Exposure Studies at EPA.

Pollution 150

Pollution Ozone EPA San Francisco 150

Green Car Congress

DECEMBER 19, 2012

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. Boxes represent pollution reading locations during that window. Nikzad et al. Click to enlarge. —Nikzad et al.

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Pollution San Diego Ozone 2012 236

Green Car Congress

SEPTEMBER 14, 2015

The Partnership aims to “ accelerate the introduction of advanced truck and bus technologies that use less fuel, have greater fuel diversity, operate more safely, are more reliable, meet future emissions standards, and are cost effective.” The 21CTP was formed in 2001 to reduce fuel usage and emissions in trucks of Classes 3 through 8.

MPG 150

MPG Miles 2009 Fuel 150

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. Seven scenarios were used in the LCI analysis. higher for NO x.

Pollution 150

Pollution Vehicles North Carolina Diesel 150

Green Car Congress

MAY 12, 2017

A new study quantifying emissions from a fleet of gasoline direct injection (GDI) engines and port fuel injection (PFI) engines finds that the measured decrease in CO 2 emissions from GDIs is much greater than the potential climate forcing associated with higher black carbon emissions from GDI engines.

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Fleet Engine Global Fuel Economy 207

Green Car Congress

SEPTEMBER 1, 2012

Black carbon is part of a group of pollution sources known as Short-Lived Climate Forcers (SLCFs), including methane gas and ozone, which are produced on earth. Cappa, a professor of engineering at the University of California, Davis, and Timothy B. Earlier post.). Led by principal investigators Christopher D.

Climate 261

Climate Climate Change Carbon Boston 261

Green Car Congress

AUGUST 30, 2009

The Brazilian experience shows that the presence of small (<10%) amounts of water in the fuel does not in itself cause a greater tendency to misfire in spark ignition engines than a proportionate leaning of the fuel/air mixture would do, provided that the vapor pressure of the hydrated ethanol at the ambient temperature is high enough.

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Transportation Fuel Renewable Gasoline-Electric 317

Green Car Congress

OCTOBER 20, 2012

Emission rates for the 1.7 L engines at idle. A new study led by researchers at the University of Michigan compared regulated and unregulated emissions from both light-duty passenger car (1.7 L) diesel engines at idle and load, using a biodiesel blend (B20) and conventional ultralow sulfur diesel (ULSD) fuel.

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Pollution Diesel Emissions Engine 231

Green Car Congress

FEBRUARY 2, 2017

A report released by the University of California Riverside’s College of Engineering-Center for Environmental Research and Technology (CE-CERT), found that the new 8.9L Cummins Westport ISL G near-zero (NZ) natural gas engine ( earlier post ) meets and exceeds the certification standards during a full range of duty cycles.

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EPA Standards Gas Engine 150