Green Car Congress

APRIL 29, 2014

A study by a pair of researchers at Northwestern University found that when fuel prices drove residents of São Paulo, Brazil, to switch from ethanol to gasoline in their flexible-fuel vehicles, local ozone levels dropped 20%. Ozone levels are relatively high in São Paulo, with hourly concentrations above 75 and 125 µg m

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Ozone Gasoline Pollution Gasoline-Electric 316

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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Ozone Insight Netherlands North America 150

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

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. Shown in the bottom row are sales data of fuels for mobile sources (from Fig. 1A) and sales data of volatile chemical products.

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Pollution Transportation Production Los Angeles 264

Green Car Congress

MARCH 12, 2019

Air pollution could be causing double the number of excess deaths a year in Europe than has been estimated previously, according to a study published in the European Heart Journal. Air pollution caused twice as many deaths from CVD as from respiratory diseases. The researchers found that air pollution caused an estimated 8.8

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Pollution Europe Cyprus Bulgaria 320

Green Car Congress

JUNE 8, 2023

In a recent open-access paper published in ACS’ Environmental Science & Technology , researchers from the University of York report that alcohols in windshield washer fluid account for a larger fraction of real-world vehicle emissions than previous estimates have suggested. the products used for “car care,” such as windshield washer fluid.

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Emissions Exhaust Cars Ozone 397

Green Car Congress

JULY 18, 2022

The study was performed by a team from the University of California at Riverside (UCR) Bourns College of Engineering – Center for Environmental Research and Technology (CE-CERT). The study used two fuels—an E10 and E15. The summer-grade E10 fuel was sourced from four different refineries that were selected by CARB.

Fuel Economy 186

Fuel Economy Economy Fuel Ozone 186

Green Car Congress

MARCH 17, 2020

Researchers at the University of California, Irvine and other institutions have conducted a statistical analysis of pollution exposure and yields from 1980 to 2015 on a key sector making up about 38% of the state’s total agricultural output: perennial crops such as almonds, grapes, nectarines, peaches, strawberries and walnuts.

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Ozone Davis San Diego Pollution 186

Green Car Congress

JANUARY 8, 2023

Emissions from automobile exhaust systems have decreased in recent years due to the introduction of cleaner fuels and new control technologies on internal combustion engines, as well as increases in numbers of hybrid and electric vehicles. 10 ) of urban air, a fraction known to be enriched with non-tailpipe constituents.

Emissions 353

Emissions Pollution Exhaust London 353

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. Emerging contaminants, such as wastewater polluted with medications and personal care products.

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Ozone Water Oil-Sands Oil 199

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.

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North America Ozone Asia America 199

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

AUGUST 25, 2013

The approximate linear relationship for each region is notable, suggesting that the dependence of urban NO 2 pollution upon population follows a power law scaling with population. Even though larger cities are typically more energy efficient with lower per-capita emissions, more people still translates to more pollution.)

Pollution 261

Pollution Power Powered India 261

Green Car Congress

APRIL 18, 2018

Air pollution is the leading environmental cause of death worldwide according to the State of Global Air 2018 , the annual report and interactive website published by the Health Effects Institute (HEI). Population-weighted seasonal average ozone concentrations in 2016. million early deaths from outdoor air pollution in 2016.

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Pollution Coal 2016 India 218

Green Car Congress

AUGUST 9, 2012

A scatter plot of CO, as a tracer for pollution, versus CO 2 , as a tracer for the amount of combustion, for 2002 and 2010. 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.

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Los Angeles Gasoline Ozone 2002 285

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

JULY 17, 2017

This lockstep movement illustrates a very tight correlation between fuel choice and nanoparticles in the air. 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. The study is published in the journal Nature Communications.

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Gasoline Singapore Brazil Ozone 150

Green Car Congress

JULY 24, 2009

(A) shows the base case peak concentrations for O 3 (ozone), ClNO and HCl in parts-per-billion by volume (ppbv). (B) Under extreme circumstances, this previously unknown chemistry could account for up to 40 parts per billion (ppb) of ozone; the current US Environmental Protection Agency (EPA) 8-hour average standard is 75 ppb.

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Ozone Pollution 2009 Coal 150

Baua Electric

APRIL 5, 2024

Researchers from the University of California, Berkeley , found that between 2018 and 2022, CO2 emission from all sources (industries, homes, traffic) across the San Francisco Bay Area dropped around 1.8% According to the research, by comparing the air pollution and CO2 data, the sensors help determine the emission source.

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San Francisco Rhode Island CO2 San Jose 52

Green Car Congress

DECEMBER 26, 2019

New methods of testing and simulating air quality should be considered in order to help policy makers have a more accurate understanding of how emissions affect air pollution levels, new research suggests. The researchers compared current techniques used to describe atmospheric chemical reactions against more historical techniques.

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Emissions El Paso Pollution Ozone 170

Green Car Congress

JUNE 26, 2015

The two other recipients are: Dr. Donald Blake, professor of chemistry, University of California Irvine. Dr. Blake has carried out measurements of atmospheric volatile organic compounds that have provided critical insights into their roles in air pollution and climate change. Dr. Kirk R.

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Climate Change Pollution Climate Ozone 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. ozone, PM) problems may be less pressing.

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Pollution Vehicles North Carolina Diesel 150

Green Car Congress

JULY 28, 2012

Acetaldehyde is classified as a hazardous air pollutants (HAP) regulated under Title III of the Clean Air Act Amendments. We then employ this revised source estimate as a baseline for assessing some potential large-scale impacts of changing ethanol fuel use in the US. —Millet et al.

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North America America Emissions Fuel 240

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.

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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. Xavier University, two light-duty chargers, one fast charger, $47,200.

Electric Vehicles 52

Electric Vehicles Louisiana Charging Grant 52

Green Car Congress

OCTOBER 11, 2012

Contributions of regions to total life cycle emissions for three fuels (µg per vehicle-mile traveled per km 2 land area). 60% of ground-level ozone (O 3 ) precursors, 6% of fine particulate matter (PM 2.5 ), and 22% of greenhouse gases (GHGs) emitted. Dashed lines show US average emissions. Credit: ACS, Tessum et al. Click to enlarge.

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Gasoline Emissions Gasoline-Electric Pollution 236

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. degrees Celsius (3 degrees Fahrenheit).

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Global Ozone CO2 Pollution 230

Green Car Congress

SEPTEMBER 8, 2011

The study underscores the complex and sometimes conflicting ways in which fossil fuel burning affects Earth’s climate. The burning of coal releases more carbon dioxide than other fossil fuels, as well as comparatively high levels of other pollutants, including sulfur dioxide, nitrogen oxides, and particles such as ash.

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Coal Climate Gas Global 334

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.

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MIT Carbon Climate Climate Change 231

Green Car Congress

APRIL 21, 2011

Scientists say much of the black carbon in the Arctic comes from biomass and fossil fuel burning in North America and Eurasia. In addition to its impacts on snow and ice, black carbon is an air pollutant. Black carbon is contributing to this warming.

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Climate International Ozone Norway 199

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?

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Ozone Solar Climate Change Climate 119

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.

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Climate Emissions Ozone 2007 240

Green Car Congress

MAY 18, 2009

A recent paper by a pair of researchers from the NASA Goddard Institute for Space (GISS) and Columbia University also found that black carbon is responsible for 50% of the total 1.9 °C To date, fossil-fuel plus biofuel soot has caused about 12.5-15% Further, controlling soot will significantly reduce particulate air pollution deaths.

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Carbon EPA Pollution Ozone 150

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. Process flow diagrams for E85 and gasoline.

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Gasoline Water Emissions Minnesota 357

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. We estimated associations between twelve ambient air pollutants of both primary (e.g. nitrogen oxides) and secondary (e.g. —Krall et al.

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Pollution St. Louis Dallas Atlanta 353

Green Car Congress

JANUARY 27, 2015

The Advanced Collaborative Emissions Study (ACES), released today by the Health Effects Institute (HEI), also confirmed that the concentrations of particulate matter and toxic air pollutants emitted from NTDE are more than 90% lower than emissions from traditional older diesel engines (TDE). Earlier post.)

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Exhaust Diesel Engine 2007 150

Green Car Congress

APRIL 1, 2009

Among the direct transportation-related provisions in the extensive package are a low-carbon fuel standard for all transportation fuels; financial support for large scale demonstrations of electric vehicles; and financial support for automakers retooling plants to make electric vehicles. Clean Fuels and Vehicles.

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Climate Standards Carbon California 186