Carbon, Pollution and Study

Study shows two-stroke scooters dominant source of air pollution in many cities; asymmetric polluters

Green Car Congress

MAY 23, 2014

A study by European researchers has found that two-stroke (2S) scooters, although constituting a small fraction of the fleet, can dominate urban vehicular pollution through organic aerosol and aromatic emission factors up to thousands of times higher than from other vehicle classes. —Platt et al. Platt et al. Click to enlarge.

Pollution

Pollution Exhaust Emissions Light

Study: plant roadside hedges rather than trees to combat near-road pollution

Green Car Congress

JANUARY 6, 2019

Urban planners should plant hedges—or a combination of trees with hedges—rather than just relying on roadside trees if they are most effectively to reduce pollution exposure from cars in near-road environments, according to a new study from the University of Surrey.

Pollution

Pollution Environment Wind Green

Stanford study finds current carbon capture technology inefficient & increases air pollution

Green Car Congress

OCTOBER 27, 2019

A study by Mark Z. Jacobson, professor of civil and environmental engineering at Stanford University, suggests that carbon capture technologies are inefficient and increase air pollution. All sorts of scenarios have been developed under the assumption that carbon capture actually reduces substantial amounts of carbon.

Pollution

Pollution Carbon Coal Gas-Electric

Webinars

Tara's Event

MORE WEBINARS

Study estimates ~4M children worldwide develop asthma each year because of NO2 air pollution

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). —Susan Anenberg.

Pollution

Pollution United Arab Emirates South Korea Las Vegas

Study first to quantify amount of US pollution resulting from Chinese manufacturing for exports

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. We’ve outsourced our manufacturing and much of our pollution, but some of it is blowing back across the Pacific to haunt us. Credit: Lin et al.

Pollution

Pollution Chinese Manufacturer Ozone

Canadian study finds commuters may be exposed to increased levels of traffic-related pollution

Green Car Congress

DECEMBER 30, 2014

A study by researchers led by a team from the Air Health Science Division of Health Canada (the Federal department responsible for helping Canadians maintain and improve their health) finds that commuters may be exposed to increased levels of traffic-related air pollution owing to close proximity to traffic-emissions. In-vehicle PM 2.5

Pollution

Pollution Canada 2013 2010

Three-part catalyst study advances conversion of CO2 to ethanol

Green Car Congress

SEPTEMBER 11, 2021

An international collaboration of scientists has taken a significant step toward the realization of a nearly “green” zero-net-carbon technology that can efficiently convert CO 2 and hydrogen into ethanol. The study will drive further research into how to develop a practical industrial catalyst for selectively converting CO 2 into ethanol.

Conversion

Conversion Parts CO2 Carbon

Study finds significant proportion of childhood asthma cases may be attributable to air pollution

Green Car Congress

AUGUST 8, 2019

Findings of a study led by the Barcelona Institute for Global Health (ISGlobal) and published in the European Respiratory Journal suggest that a significant proportion of childhood asthma cases may be attributable to outdoor air pollution, and that these cases could be prevented. and black carbon (BC). NO 2 ranged from 1.4

Pollution

Pollution Lithuania United Kingdom Greece

Ricardo study finds electric and hybrid cars have a higher carbon footprint during production than conventional vehicles, but still offer a lower footprint over the full life cycle

Green Car Congress

JUNE 8, 2011

For a battery EV, 46% of its total carbon footprint is generated at the factory, before it has travelled a single mile. The study found that some of the CO 2 savings made during the use of low carbon vehicles is offset by increased emissions created during their production, and to a lesser extent, disposal. Estimated lifecycle.

Carbon

Carbon Hybrid Production Gasoline-Electric

Study estimates California’s GHG reductions since 2003 could be wiped out by 2020 wildfires

Green Car Congress

OCTOBER 18, 2022

In an open-access report in the journal Environmental Pollution , researchers from UCLA and the University of Chicago estimate that California’s wildfire carbon dioxide equivalent (CO 2 e) emissions from 2020 (~127 mmt CO 2 e ) are approximately two times higher than California’s total greenhouse gas (GHG) emission reductions since 2003.

2003

2003 2020 Climate Change Pollution

Two-year study in Canada finds large trucks disproportionately contribute to higher levels of black carbon pollution

Green Car Congress

SEPTEMBER 11, 2018

A two-year study led by researchers at the University of Toronto has found large trucks to be the greatest contributors to black carbon emissions close to major roadways. The study is published in the ACS journal Environmental Science & Technology. Jonathan M. Wang, Cheol-Heon Jeong, Nathan Hilker, Kerolyn K. 8b01914.

Pollution

Pollution Canada Carbon Climate Change

USC study shows promising potential for giant-kelp-based biofuel with depth-cycling approach

Green Car Congress

MARCH 3, 2021

Scientists at the USC Wrigley Institute for Environmental Studies on Santa Catalina Island, working with private industry, report that a new aquaculture technique on the California coast significantly increases kelp growth, yielding four times more biomass than natural processes. The researchers used a depth-cycling approach—i.e.,

Mariner

Mariner Water Utah California

Study finds that California clean diesel programs have slashed black carbon, a powerful short-term contributor to global warming

Green Car Congress

JUNE 14, 2013

California’s air quality programs have forced a reduction in black carbon despite a significant increase in diesel fuel consumption. If California’s efforts in reducing black carbon can be replicated globally, we can slow down global warming in the coming decades by about 15 percent, in addition to protecting people’s lives.

Carbon

Carbon Diesel California Global

NIH study links air pollution to increase in newborn intensive care admissions

Green Car Congress

JULY 22, 2019

Infants born to women exposed to high levels of air pollution in the week before delivery are more likely to be admitted to a newborn intensive care unit (NICU), suggests an analysis by researchers at the US National Institutes of Health (NIH). The study was led by Pauline Mendola, Ph.D., It appears in Annals of Epidemiology.

Pollution

Pollution United States 2002 2008

Study finds NSAIDs may lessen air pollution effects on lung function

Green Car Congress

OCTOBER 6, 2019

A new study is the first to report evidence that nonsteroidal anti-inflammatory drugs (NSAIDs) such as aspirin may lessen the adverse effects of air pollution exposure on lung function. While the mechanism is unknown, the researchers speculate that NSAIDs mitigate inflammation brought about by air pollution.

Pollution

Pollution Boston Massachusetts Universal

HEI launches two new non-tailpipe particulate emission studies

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

Emissions Pollution Exhaust London

MIT study suggests carbon tax could help reduce US deficit, lower other taxes, reduce emissions

Green Car Congress

AUGUST 27, 2012

A new report from MIT’s Joint Program on the Science and Policy of Global Change suggests that a tax on carbon emissions could help raise the money needed to reduce the US deficit, while improving the economy, lowering other taxes and reducing emissions. In the report— Carbon Tax Revenue and the Budget Deficit: A Win-Win-Win Solution?

Tax

Tax MIT Carbon Emissions

NUS researcher links air pollution to increased residential electricity demand

Green Car Congress

AUGUST 19, 2020

The results of the study were published in the Journal of the Association of Environmental and Resource Economists. The study, set in Singapore, suggests that better air quality will bring about climate co-benefits in reducing electricity generation via lower household demand, and thus mitigating carbon emissions.

Pollution

Pollution Singapore Asia Climate Change

Study suggests early childhood exposure to traffic air pollution associated with later structural changes in brain

Green Car Congress

JANUARY 27, 2020

A new study suggests that significant early childhood exposure to traffic-related air pollution (TRAP) is associated with structural changes in the brain at the age of 12. Those regions denote a reduction in cortical thickness linked to elemental carbon attributed to traffic. Resources.

Pollution

Pollution Exhaust Carbon 2020

Study findings suggest that switching from coal to natural gas would do little for global climate

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

Coal Climate Gas Global

Greyrock, NREL study determines reduction in GHG and criteria pollutant emissions from using synthetic fuels produced from flare gas

Green Car Congress

JULY 11, 2018

A “well-to-wheel” life cycle assessment (LCA) by a team from synthetic fuels producer Greyrock ( earlier post ), and the National Renewable Energy Laboratory (NREL) has determined the potential reduction of greenhouse gases and criteria pollutant emissions from the use of synthetic fuels directly converted from flare gas. billion liters (18.8

Pollution

Pollution Gas Emissions Fuel

Renault makes public its lifecycle study of Fluence ICE vs Fluence EV

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). Quantifies the production of pollutant ozone (? The EV footprint (Fluence Z.E.)

Li-ion

Li-ion Gasoline-Electric Ozone Diesel

London study finds taxi drivers face highest levels of black carbon compared to other professional drivers

Green Car Congress

SEPTEMBER 29, 2019

Professional drivers working in congested cities are exposed to black carbon levels that are on average a third higher than would be experienced at a busy roadside, according to research presented at the European Respiratory Society International Congress. We know quite a lot about the dangers of exposure to traffic pollution.

London

London Taxi Carbon Pollution

Black carbon linked to increased cardiovascular risk; exacerbated by co-exposure to motor vehicle emissions

Green Car Congress

AUGUST 26, 2014

Black carbon (BC) from incomplete biomass and fossil fuel combustion is the most strongly light-absorbing component of particulate matter (PM) air pollution and a major climate-forcing emission. Air pollution mitigation efforts focusing on reducing combustion pollution are likely to have major benefits for climate and human health.

Carbon

Carbon Emissions Motoring Motor

Study finds modifying urban form may be a strategy to reduce air pollution

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. Their paper appears in the ACS journal Environmental Science & Technology.

Pollution

Pollution New Zealand Minnesota Ozone

MIT study finds air quality co-benefits of US carbon policies can significantly offset costs, depending upon the policy

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

MIT Carbon Climate Climate Change

Poor air quality to remain a problem in India despite pollution control policies

Green Car Congress

APRIL 1, 2019

According to an independent study by the International Institute for Applied Systems Analysis (IIASA) and the Council on Energy, Environment, and Water (CEEW), more than 674 million Indian citizens are likely to breathe air with high concentrations of PM 2.5 The program focuses on 102 polluted Indian cities and aims to reduce PM 2.5

Pollution

Pollution India Emissions 2015

GTI quantifies opportunity to produce low-carbon renewable natural gas (RNG) from wood wastes

Green Car Congress

FEBRUARY 15, 2019

GTI has released a site-specific engineering design titled “ Low-Carbon Renewable Natural Gas (RNG) from Wood Wastes ”. The RNG product with very low carbon intensity could be used for carbon emission reductions in the transportation, industrial, commercial, and residential energy sectors. The Gasification-powered RNG Process.

Waste

Waste Carbon Gas Renewable

New iron catalyst helps preferentially reduce NO to hydroxylamine; pollution control and clean energy

Green Car Congress

MAY 24, 2021

Researchers from Korea and France have shown that iron–nitrogen-doped carbon is an efficient and durable electrocatalyst for selective nitric oxide reduction into hydroxylamine. Among the major pollutants, nitrogen oxide (NO x ) accumulation can cause severe respiratory diseases and imbalance in the Earth’s nitrogen cycle.

Pollution

Pollution Cleaning Clean France

Study finds São Paulo switch from ethanol to gasoline dropped local ozone levels by 20%, increased CO and nitric oxide concentrations

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%. At the same time, nitric oxide and carbon monoxide concentrations tended to go up. 3 , respectively, being 2.7

Ozone

Ozone Gasoline Pollution Gasoline-Electric

Study Finds On-Road Transportation Sector the Greatest Net Contributor to Atmospheric Warming Now and in Mid-Term; Power Sector Takes the Lead by 2050

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

Transportation Climate Change Power Powered

Study concludes environmental regulations drove steep declines in US factory pollution even with increased production

Green Car Congress

AUGUST 10, 2018

The federal Clean Air Act and associated environmental regulations have driven steep declines in air pollution emissions over the past several decades, even as US manufacturers increased production, according to a study by two University of California, Berkeley, economists. Shapiro and Reed Walker (2018) “ Why is Pollution from U.S.

Pollution

Pollution Production Los Angeles 2008

Cooperative SO2 and NOx aerosol formation in haze pollution

Green Car Congress

JANUARY 29, 2014

A study of major haze pollution episodes in China in 2013 by researchers from the State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Chinese Academy of Sciences, shows that the formation of secondary sulfate aerosols from SO 2 increases in the presence of NO x. to reduce the overall PM 2.5

Pollution

Pollution China 2013 Wind

Study finds short-term exposure to air pollution may impede cognition; NSAIDs could help

Green Car Congress

MAY 10, 2021

Exposure to air pollution, even over the course of just a few weeks, can impede mental performance, according to a new study led by researchers at Columbia University Mailman School of Public Health. The study is among the first to explore short-term air pollution exposures and the use of NSAIDs to mitigate their effects.

Pollution

Pollution Boston Environment Universal

Satellite study suggests California clean air regulations working to reduce PM2.5 emissions in state

Green Car Congress

JUNE 8, 2018

pollution in the state. is especially burdensome in California and accounts for the greatest percentage of health impacts attributable to air pollution. The open-access study, which focused on the four major components of PM 2.5 LA=Los Angeles basin, CV=Central Valley, OC=Organic Carbon, EC=Elemental Carbon.

Los Angeles

Los Angeles California Cleaning Clean

USC researchers find car ventilation setting critical to in-cabin exposure to particulate pollutants; new model for aiding exposure assessments

Green Car Congress

SEPTEMBER 15, 2013

In-vehicle-to-outside (I/O) ratios for four pollutants under different ventilation settings. Researchers at USC have found that using recirculation rather than outside air ventilation in a car can effectively reduce in-cabin exposure to on-road particle pollution. Credit: ACS, Hudda and Fruin (2013). Click to enlarge.

Pollution

Pollution 2013 Cars 2011

Study finds ethanol blends reduce GDI tailpipe PM

Green Car Congress

JUNE 7, 2019

A new study finds that ethanol blends reduce particulate matter (PM) coming out of the tailpipe, which in turn reduces overall toxic emissions. The study was conducted by the University of California Riverside and the University of Wisconsin, Madison and commissioned by the Urban Air Initiative.

Gasoline

Gasoline Emissions Wisconsin Fuel

Study finds rapid health benefits following air pollution reduction

Green Car Congress

DECEMBER 9, 2019

Reductions in air pollution yielded fast and significant impacts on health-outcomes, as well as decreases in all-cause morbidity, according to new open-access research published in Annals of the American Thoracic Society. It’s critical that governments adopt and enforce WHO guidelines for air pollution immediately.

Pollution

Pollution Nigeria Ireland Atlanta

Study finds that environmental impact of corn-ethanol E85 is 23% to 33% higher than that of gasoline; environmental problem-shifting

Green Car Congress

MARCH 16, 2012

previous studies have followed the general framework of life cycle assessment (LCA), they have focused almost exclusively on quantifying the energy balance and GHG emissions associated with biofuels production. For gasoline, the study reflects the US context in which crude oil is to a large extent imported and refined domestically.

Gasoline

Gasoline Water Emissions Pollution

ICCT study finds state EV incentives playing a significant role in driving sales

Green Car Congress

OCTOBER 31, 2014

A study by a team from the International Council on Clean Transportation (ICCT) shows that state electric vehicle incentives are playing a significant early role in reducing the effective cost of ownership and driving electric vehicle sales. —Jin et al. Earlier post.). —Jin et al. electric vehicle incentives ”.

Sale

Sale District of Columbia PHEV 2013

Should we be encouraging EVs or discouraging old smoking cars that are the most polluting? | Opinion

EV Central

MAY 10, 2025

I recently read a brilliant book, Malcolm Gladwells, Revenge of the Tipping Point that alerted me to the fact that just five per cent of the passenger vehicles on the road produce more than half of all the pollution in the air. Pollution would drop by the same amount as the 10 per cent shift. Do let us know in the Comments.)

Pollution

Pollution Denver Cars Australia

UCL-led study finds climate impact caused by growing space industry needs urgent mitigation

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

Climate Ozone Industry Industrial

Northwestern/Princeton study explores air quality impacts of aggressive conversion to EVs

Green Car Congress

APRIL 15, 2019

This despite evidence that suggests air pollution impacts from the transportation sector exceed those from greenhouse gases. … solar, wind, hydroelectric, and nuclear) as compared to the eastern US (EUS), where the electricity market is dominated by pollutant and precursor emitting combustion sources (i.e., —Schnell et al.

Conversion

Conversion Jordan Ozone Coal

Study finds automobile tires are a potential source of carcinogenic dibenzopyrenes to the environment

Green Car Congress

MARCH 10, 2012

A new study by researchers from Stockholm University concludes that automobile tires may be a potential previously unknown source of carcinogenic dibenzopyrenes—a type of high molecular weight polycyclic aromatic hydrocarbon (PAH)—to the environment. 35% reinforcing agents/fillers such as carbon black or silica; and 15?20%

Environment

Environment Automobile Exhaust Oil

Study shows two-stroke scooters dominant source of air pollution in many cities; asymmetric polluters

Study: plant roadside hedges rather than trees to combat near-road pollution

Webinars

Trending Sources

Stanford study finds current carbon capture technology inefficient & increases air pollution

Webinars

Study estimates ~4M children worldwide develop asthma each year because of NO2 air pollution

Study first to quantify amount of US pollution resulting from Chinese manufacturing for exports

Canadian study finds commuters may be exposed to increased levels of traffic-related pollution

Three-part catalyst study advances conversion of CO2 to ethanol

Study finds significant proportion of childhood asthma cases may be attributable to air pollution

Ricardo study finds electric and hybrid cars have a higher carbon footprint during production than conventional vehicles, but still offer a lower footprint over the full life cycle

Study estimates California’s GHG reductions since 2003 could be wiped out by 2020 wildfires

Two-year study in Canada finds large trucks disproportionately contribute to higher levels of black carbon pollution

USC study shows promising potential for giant-kelp-based biofuel with depth-cycling approach

Study finds that California clean diesel programs have slashed black carbon, a powerful short-term contributor to global warming

NIH study links air pollution to increase in newborn intensive care admissions

Study finds NSAIDs may lessen air pollution effects on lung function

HEI launches two new non-tailpipe particulate emission studies

MIT study suggests carbon tax could help reduce US deficit, lower other taxes, reduce emissions

NUS researcher links air pollution to increased residential electricity demand

Study suggests early childhood exposure to traffic air pollution associated with later structural changes in brain

Study findings suggest that switching from coal to natural gas would do little for global climate

Greyrock, NREL study determines reduction in GHG and criteria pollutant emissions from using synthetic fuels produced from flare gas

Renault makes public its lifecycle study of Fluence ICE vs Fluence EV

London study finds taxi drivers face highest levels of black carbon compared to other professional drivers

Black carbon linked to increased cardiovascular risk; exacerbated by co-exposure to motor vehicle emissions

Study finds modifying urban form may be a strategy to reduce air pollution

MIT study finds air quality co-benefits of US carbon policies can significantly offset costs, depending upon the policy

Poor air quality to remain a problem in India despite pollution control policies

GTI quantifies opportunity to produce low-carbon renewable natural gas (RNG) from wood wastes

New iron catalyst helps preferentially reduce NO to hydroxylamine; pollution control and clean energy

Study finds São Paulo switch from ethanol to gasoline dropped local ozone levels by 20%, increased CO and nitric oxide concentrations

Study Finds On-Road Transportation Sector the Greatest Net Contributor to Atmospheric Warming Now and in Mid-Term; Power Sector Takes the Lead by 2050

Study concludes environmental regulations drove steep declines in US factory pollution even with increased production

Cooperative SO2 and NOx aerosol formation in haze pollution

Study finds short-term exposure to air pollution may impede cognition; NSAIDs could help

Satellite study suggests California clean air regulations working to reduce PM2.5 emissions in state

USC researchers find car ventilation setting critical to in-cabin exposure to particulate pollutants; new model for aiding exposure assessments

Study finds ethanol blends reduce GDI tailpipe PM

Study finds rapid health benefits following air pollution reduction

Study finds that environmental impact of corn-ethanol E85 is 23% to 33% higher than that of gasoline; environmental problem-shifting

ICCT study finds state EV incentives playing a significant role in driving sales

Should we be encouraging EVs or discouraging old smoking cars that are the most polluting? | Opinion

UCL-led study finds climate impact caused by growing space industry needs urgent mitigation

Northwestern/Princeton study explores air quality impacts of aggressive conversion to EVs

Study finds automobile tires are a potential source of carcinogenic dibenzopyrenes to the environment

Stay Connected