Green Car Congress

JANUARY 21, 2014

Average annual percentage of black carbon pollution related to Chinese exports. China is responsible for only a small percentage of the annual pollution in the US, but powerful global winds known as “westerlies” can push airborne chemicals across the ocean in days, particularly during the spring, causing dangerous spikes in contaminants.

Pollution 318

Pollution Chinese Manufacturer Ozone 318

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 207

Pollution Ozone Clean Cleaning 207

Green Car Congress

JUNE 26, 2022

The rapidly growing space industry may have a greater climate effect than the aviation industry and undo repair to the protective ozone layer if left unregulated, according to a new study led by UCL and published in the journal Earth’s Future as an open-access paper. The space industry is one of the world’s fastest growing sectors.

Climate 428

Climate Ozone Industrial Industry 428

Green Car Congress

JULY 10, 2020

The US Environmental Protection Agency (EPA) announced $5,959,842 million in research funding to nine institutions to improve air quality models used to simulate ozone, particulate matter (PM), regional haze, air toxics, and emerging pollutants. It will also inform the development of strategies for improving air quality.

EPA 207

EPA Ozone Colorado Mercury 207

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 150

Ozone Oil Gas Emissions 150

Green Car Congress

SEPTEMBER 4, 2014

Ozone, the main component of smog, is a plant-damaging pollutant formed by emissions from vehicles, cooking stoves and other sources. New research shows that ozone pollution damaged millions of tons of wheat, rice, soybean and cotton crops in India in 2005. Smog in India. Credit: Mark Danielson/Flickr.

Ozone 239

Ozone 2005 India Pollution 239

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.

Ozone 186

Ozone Davis San Diego Pollution 186

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.

Emissions 397

Emissions Exhaust Cars Ozone 397

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.

Ozone 199

Ozone Water Oil-Sands Oil 199

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.

Solar 218

Solar Energy Global Production 218

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. Click to enlarge.

Ozone 210

Ozone Los Angeles Pollution California 210

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.

North America 199

North America Ozone Asia America 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.

London 150

London Pollution Diesel Emissions 150

Green Car Congress

OCTOBER 7, 2019

related damages, researchers from Carnegie Mellon University and Stanford have found that, US-economy-wide, gross external damage (GED) due to premature mortality has decreased by more than 20% from 2008 to 2014. Indeed, farms have become the largest contributor to air pollution damages from PM2.5 In a new study of PM 2.5

2008 223

2008 2014 Pollution Economy 223

Green Car Congress

NOVEMBER 29, 2010

Led by the tiny Pacific island of the Federated States of Micronesia, a growing group of low-lying islands and other vulnerable countries are calling for fast action on the approximately 50% of global warming that is caused by pollutants other than carbon dioxide (CO 2 ). The next round of UN climate negotiations begins in Cancun today.

Micronesia 199

Micronesia Pollution Ozone Global 199

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).

Emissions 268

Emissions Taiwan Asia Ozone 268

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.

Ozone 150

Ozone Pollution 2009 Coal 150

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.

Diesel 230

Diesel International Emissions Ozone 230

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.

Los Angeles 285

Los Angeles Gasoline Ozone 2002 285

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.

Emissions 170

Emissions El Paso Pollution Ozone 170

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.

Pollution 150

Pollution Vehicles North Carolina Diesel 150

Green Car Congress

JANUARY 16, 2012

Now, researchers from Sandia National Laboratory’s Combustion Research Facility, the University of Manchester and the University of Bristol report in a paper in Science the first direct kinetics measurements made of reactions of any gas-phase Criegee intermediate, in this case formaldehyde oxide (CH 2 OO). Carl Percival.

Ozone 268

Ozone Climate Change Climate 2012 268

Green Car Congress

MAY 8, 2011

In the first empirical study using satellite measurements to explore the relationship between urban form and air pollution, a team from the University of Minnesota has found that cities with highly contiguous built-up areas have, on average, lower concentrations of nitrogen dioxide (NO 2 , a key component of urban air pollution).

Pollution 225

Pollution Ozone Minnesota Global 225

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. Nitrogen-based fertilizers help California farmers produce more than 400 agricultural commodities—vegetables, fruits, meats and dairy products—worth $36 billion a year.

Davis 240

Davis Escape Ozone California 240

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 236

Gasoline Emissions Gasoline-Electric Pollution 236

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. Mark Jacobson. Dessler et al., 2008] and methane [Schutz et al., Guenther et al.,

Global 230

Global Ozone CO2 Pollution 230

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.

Gasoline 357

Gasoline Water Emissions Minnesota 357

Green Car Congress

JULY 8, 2014

This surge in exploration and production from unconventional sources has been accompanied by public concerns about various environmental issues—including air quality, water quantity and quality, and human health impacts. well production end-of-life. jobs vs environmental stewardship). —Moore et al. Credit: ACS, Moore et al.

Gas 218

Gas Oil-Sands Emissions Oil 218

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 240

Climate Emissions Ozone 2007 240

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. They considered only changes to tailpipe emissions in both scenarios; future work is planned to quantify full life-cycle emission changes for various biofuel production strategies. Labels at left are months (e.g.,

North America 240

North America America Emissions Fuel 240

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.)

Exhaust 150

Exhaust Diesel Engine 2007 150

Green Car Congress

SEPTEMBER 1, 2012

The results highlight the early challenges in a nascent sector of climate science and could have implications for regulatory efforts to reduce the production of black carbon, or soot, by curbing the burning of fossil fuels. Cappa, a professor of engineering at the University of California, Davis, and Timothy B. Credit: Cappa et al.

Climate 261

Climate Climate Change Carbon Boston 261

Cars That Think

JULY 20, 2021

At the same time, however, we can already measure solid improvements in productivity and innovation: Since February 2020, some 60 percent of firms in the United Kingdom and in Spain have adopted new digital technologies, and 40 percent of U.K. China enters world markets as major exporter of industrial products. military bases.

Chad 98

Chad London Iceland Ozone 98

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.

Exhaust 150

Exhaust Emissions Belgium Gasoline-Electric 150

Green Car Congress

JUNE 9, 2009

The fuel production component is shown in green. Inventorying criteria air pollutants showed that vehicle non-operational components often dominate total emissions. Inventorying criteria air pollutants showed that vehicle non-operational components often dominate total emissions. Chester and Horvath (2009). Click to enlarge.

Light 150

Light Emissions Energy Boston 150

Green Car Congress

APRIL 1, 2009

The draft requires states to establish goals for reducing global warming pollution from the transportation sector and requires large metropolitan planning organizations to submit transportation plans to meet those goals. Title III, Reducing Global Warming Pollution , (the cap-and-trade title), has eight subsections.

Climate 186

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.

Denver 170

Denver Ozone PHEV Colorado 170