Green Car Congress

JULY 29, 2020

Large improvements of air quality in China during the lockdown have been widely reported, but new research shows that two pollutants harmful to human health—fine particulate matter (PM 2.5 ) and ozone—were only slightly reduced. and ozone were only slightly reduced or barely affected.

Ozone 243

Ozone China Pollution 2020 243

Green Car Congress

SEPTEMBER 2, 2011

In a statement released this morning, President Barack Obama said he has requested that US Environmental Protection Agency (EPA) Administrator Lisa Jackson withdraw the agency’s draft Ozone National Ambient Air Quality Standards (NAAQS) rulemaking. Earlier post.) National Ambient Air Quality Standards (NAAQS).

Ozone 259

Ozone Obama Standards EPA 259

Green Car Congress

JULY 11, 2013

Renault’s comparison of the carbon footprint of EV and ICE vehicles over production, operation and end of life. The study used the series production versions launched in 2011, with the assumption of operation for 150,000 km (93,205 miles). Photochemical Ozone Creation Potential (kg Ethene equivalent). Click to enlarge.

Li-ion 364

Li-ion Gasoline-Electric Ozone Diesel 364

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

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. Credit: NASA. Click to enlarge.

Ozone 186

Ozone Water CO2 MIT 186

Green Car Congress

JANUARY 8, 2023

The Health Effects Institute (HEI) has launched two new studies funded under RFA 21-1, Quantifying Real-World Impacts of Non-Tailpipe Particulate Matter Emissions. The new studies are: Improved Characterization of the Real-World Contributions and Impacts of Non-tailpipe Particulate Matter Emissions ,” led by Greg Evans, University of Toronto.

Emissions 353

Emissions Pollution Exhaust London 353

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.

Coal 334

Coal Climate Gas Global 334

Green Car Congress

JULY 9, 2009

Researchers in France have found that ozone depletion above Antarctica has significantly reduced the Southern Ocean’s ability to absorb atmospheric CO 2 and has also accelerated acidification of southern polar waters, despite lesser CO 2 uptake. billion tons of carbon was not taken up by the oceans. Earlier post.)

Ozone 150

Ozone Carbon 2004 Water 150

Green Car Congress

AUGUST 5, 2019

According to a study commissioned by the Washington, DC-based Propane Education & Research Council (PERC), NO x emissions measured from propane autogas school buses were substantially lower than those measured from diesel school buses. NO x was reduced by 96% and carbon dioxide by 13% with a propane bus. —Ross Ryskamp, Ph.D.,

West Virginia 312

West Virginia Diesel Emissions Virginia 312

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.

Ozone 199

Ozone Water Oil-Sands Oil 199

Green Car Congress

FEBRUARY 19, 2010

A new study by led by Nadine Unger at NASA’s Goddard Institute for Space Studies (GISS) that analyzes the net climate impacts of emissions from economic sectors rather than by individual chemical species has found that on-road transportatation is and will be the greatest net contributor to atmospheric warming now and in the near term.

Transportation 391

Transportation Climate Change Power Powered 391

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.

MIT 231

MIT Carbon Climate Climate Change 231

Green Car Congress

OCTOBER 30, 2009

The 100-year global warming potentials (GWPs) for methane, CO, and NO x (per Tg N) as given in the AR4 and in this study when including no aerosol response; the direct radiative effect of aerosol responses; and the direct+indirect radiative effects of aerosol responses. Source: Shindell at al. Click to enlarge. Shindell et al.

Climate Change 268

Climate Change Climate Ozone Pollution 268

Green Car Congress

APRIL 15, 2019

Most studies that have examined the impact of EVs report only changes in the total emissions associated with their adoption, but do not consider their spatial or temporal variation. In the study, the researchers applied a prototype version of the new-generation NOAA GFDL global Atmospheric Model, version 4,for their simulations.

Conversion 281

Conversion Jordan Ozone Coal 281

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

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.

Gasoline 357

Gasoline Water Emissions Pollution 357

Green Car Congress

JULY 31, 2019

CSIRO scientists have developed a new way to account for ozone in computer simulations of the climate. This latest modeling shows that the oceans take much less ozone out of the atmosphere than previously thought. Ozone (O 3 ) is formed by reactions of chemicals such as nitrogen oxides and volatile organic compounds—i.e.,

Ozone 150

Ozone Climate Global Water 150

Green Car Congress

FEBRUARY 10, 2013

Among the many climate-related vulnerabilities that can impact its mission, the US Environmental Protection Agency (EPA) cites a likely increase in tropospheric ozone pollution as potentially making it more difficult to attain National Ambient Air Quality Standards ( NAAQS ) in many areas with existing ozone problems.

Climate Change 210

Climate Change Ozone Climate EPA 210

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.

Climate 199

Climate International Ozone Norway 199

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.

Ozone 150

Ozone Colorado Gas Carbon 150

Green Car Congress

APRIL 27, 2011

The London Congestion Charging Scheme (CCS)—which charged for travel into central London and reduced traffic volume ( earlier post )—has shown little evidence that it improved air quality as well, according to Part I of a new study published by the Health Effects Institute (HEI).

London 299

London Charging Pollution Diesel 299

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

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.).

Climate 261

Climate Climate Change Carbon Boston 261

Green Car Congress

OCTOBER 23, 2012

A study led by researchers at UC Berkeley has found that diesel exhaust forms about seven times more secondary organic aerosols (SOA) than gasoline exhaust for the same mass of unburned fuel emissions and, given emission factors, can be expected to form 15 times more SOA than gasoline per liter of fuel burned. Click to enlarge.

Diesel 281

Diesel Los Angeles Exhaust Gasoline 281

Green Car Congress

JULY 2, 2014

At 2:56 AM PST today, NASA’s Orbiting Carbon Observatory 2 (OCO-2) was successfully launched into orbit from Space Complex 2 West at California’s Vandenberg Air Force Base, riding on a two-stage Delta II 7320-10 launch vehicle. by Jack Rosebro. This measurement is unique like a fingerprint, and can be used for identification.

Carbon 240

Carbon Aura Solar Climate Change 240

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.

Pollution 246

Pollution Asia Ozone Indonesia 246

Green Car Congress

APRIL 7, 2022

The first is the Vehicle Technologies Office (VTO), which aims to advance combustion engine technology and simultaneously reduce criteria emissions, such as carbon monoxide, nitrogen oxides and ozone. —Doug Longman, section manager of engine combustion research within Argonne’s Energy Systems division.

Carbon 259

Carbon Fuel Ozone Engine 259

Green Car Congress

NOVEMBER 21, 2011

The decrease in CO 2 equivalent emissions of ODSs (ozone-depleting substances: CFCs, halons, HCFCs, and others) may be offset by the projected increase in their non-ozone depleting substitutes (HFCs) (lines designated as HFC scenarios). Climate and the Ozone Layer. Source: UNEP. Click to enlarge.

Climate 287

Climate Ozone Emissions Transportation 287

Green Car Congress

MARCH 20, 2020

The satellite carries the Tropomi instrument to map a multitude of trace gases such as nitrogen dioxide, ozone, formaldehyde, sulfur dioxide, methane, carbon monoxide and aerosols. ©ESA/ATG Sentinel-5 Precursor is the first Copernicus mission dedicated to monitoring the atmosphere. ©ESA/ATG medialab.

Emissions 473

Emissions China Pollution Chinese 473

Green Car Congress

AUGUST 2, 2012

The authors said their study is the first to include all five major air pollutants known to negatively impact human health: nitrogen dioxide, sulphur dioxide, ozone, carbon monoxide and particulate matter smaller than 2.5 micrometers which are regarded as particularly harmful.

India 240

India Global 2005 Asia 240

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. —Saliba et al.

Fleet 207

Fleet Engine Fuel Economy Global 207

Green Car Congress

APRIL 21, 2011

On a per-storage basis, the team found that the NiMH technology was found to have the highest environmental impact, followed by NCM and then LFP, for all categories considered except ozone depletion potential. A paper on the study appears in the ACS journal Environmental Science & Technology. Credit: ACS, Majeau-Bettez.

Nickel Metal Hydride 334

Nickel Metal Hydride NiMH Li-ion PHEV 334

Green Car Congress

AUGUST 4, 2010

A new study comparing both the absolute and normalized climate impacts of current passenger and freight transportation finds that driving a car increases global temperatures in the long run more than making the same long-distance journey by air. The study was published the in ACS journal Environmental Science & Technology.

Global 225

Global Climate Change Climate 2000 225

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 Emissions 199

Green Car Congress

FEBRUARY 17, 2014

The study is published in the ACS journal Environmental Science & Technology. In particular, silicon nanowires (SiNW) are widely studied as a promising anode material for high-capacity LIBs due to its low cost of fabrication and volume production potential. The LCA was based on the average US driving and electricity supply conditions.

Li-ion 265

Li-ion Battery Batteries Milwaukee 265

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

APRIL 2, 2012

The US Environmental Protection Agency (EPA) has submitted its final Report to Congress on Black Carbon , in response to an October 2009 request from Congress to advance efforts to understand the role of black carbon (BC) in climate change. —Report to Congress on Black Carbon. Report to Congress on Black Carbon.

Congress 252

Congress EPA Carbon Emissions 252