Green Car Congress

MARCH 5, 2012

In a study of non-metal miners in the US, federal government scientists report that heavy exposure to diesel exhaust increased risk of death from lung cancer. documented the risk of dying from any cause, with an emphasis on lung cancer, using data from the full study population (the cohort study). µg/m 3 ).

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Exhaust Diesel 2012 Los Angeles 273

Green Car Congress

MAY 30, 2019

New York City Clean Air Taxi rules are successful in cutting emissions and reducing air pollution, [link] to a new study by researchers at the Columbia University Mailman School of Public Health and Drexel University. exhaust emissions declined by 82% and 49%, respectively.

Taxi 249

Taxi Pollution Clean Cleaning 249

Green Car Congress

AUGUST 24, 2019

Heavily polluted areas have a higher rate of angioplasty procedures to treat blocked arteries than areas with clean air, according to research to be presented at ESC Congress 2019 together with the World Congress of Cardiology. Procedures are even more common in winter, the most polluted time of year. additional PCIs per week.

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Pollution Poland Congress Cleaner 236

Green Car Congress

MARCH 3, 2012

Contrary to expectations, exhaust from gasoline vehicles contributes more to the production of secondary organic aerosols (SOA) than exhaust from diesel vehicles, according to a new study by scientists from the Cooperative Institute for Research in Environmental Sciences (CIRES), NOAA’s Earth System Research Laboratory (ESRL) and other colleagues.

Exhaust 231

Exhaust Gasoline Diesel Los Angeles 231

Green Car Congress

FEBRUARY 11, 2021

This figure is comparable to sooty contamination from forest fires and building demolition, the study authors said. Our findings add to evidence that subways expose millions of commuters and transit employees to air pollutants at levels known to pose serious health risks over time. g/m 3 pose serious health hazards.

New York 418

New York Philadelphia New Jersey New York City 418

Green Car Congress

AUGUST 29, 2013

2000 (90% CI: 0–4,000) early deaths from ozone, according to the study. In a state-by-state analysis, the researchers found that California suffers the worst health impacts from air pollution, with about 21,000 early deaths annually, mostly attributed to road transportation and to commercial and residential emissions from heating and cooking.

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MIT Emissions Ozone Power 378

Green Car Congress

MARCH 26, 2019

Catalytic converters have been used in the US since the 1970s as a way to clean up pollutants from vehicle exhaust. In the catalytic process, rare metals such as platinum, are used in a chemical reaction to convert carbon monoxide and other pollutants to non-toxic carbon dioxide, nitrogen, and water. —Yong Wang.

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Exhaust Pollution Convert New Mexico 270

Green Car Congress

MAY 24, 2020

A new UCLA study in zebrafish identified the process by which air pollution can damage brain cells, potentially contributing to Parkinson’s disease. Epidemiological studies have supported an association between long-term exposure to air pollutants and disease risk. —Barnhill et al.

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Pollution Exhaust Diesel Water 220

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. The results of this study, though exploratory, suggest that where you live and the air you breathe can affect how your brain develops. Resources.

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Pollution Exhaust Carbon 2020 243

Green Car Congress

JULY 11, 2011

A UCLA study of the performance of retrofit systems for diesel-powered school buses has found that while the systems significantly lowered tailpipe emissions, there was no unequivocal decrease for in-cabin air pollutants after retrofitting. —Zhang and Zhu. —Zhang and Zhu.

Pollution 259

Pollution Emissions Diesel Exhaust 259

Green Car Congress

OCTOBER 20, 2012

A new study led by researchers at the University of Michigan compared regulated and unregulated emissions from both light-duty passenger car (1.7 A new study led by researchers at the University of Michigan compared regulated and unregulated emissions from both light-duty passenger car (1.7 Emission rates for the 1.7 L engines at idle.

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Pollution Diesel Emissions Engine 231

Green Car Congress

NOVEMBER 22, 2009

Air pollution may pose an important but largely overlooked health concern for people living near smaller regional airports, according to a new study published in the ACS journal Environmental Science & Technology. Aircraft exhaust includes pollutants linked to a variety of health problems. ” Resources.

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Pollution Neighborhood 2008 Exhaust 199

Green Car Congress

OCTOBER 17, 2013

The International Agency for Research on Cancer (IARC), the specialized cancer agency of the World Health Organization (WHO), has classified outdoor air pollution as carcinogenic to humans (Group 1). 161, Air Pollution and Cancer. The air we breathe has become polluted with a mixture of cancer-causing substances.

Pollution 247

Pollution South America Asia Exhaust 247

Green Car Congress

AUGUST 24, 2018

Air pollution, and fine dust in particular, is calculated to contribute to more than four million deaths each year. While the mechanisms by which air pollutants cause cardiovascular events is undergoing continual refinement, the preponderant evidence support rapid effects of a diversity of pollutants including all particulate pollutants (e.g.

Pollution 220

Pollution Insight Ozone Cleveland 220

Green Car Congress

NOVEMBER 28, 2014

The measurements of the retrofitted Euro III bus were an extension of a study of the Brighton & Hove Bus and Coach company fleet in partnership with HORIBA examining the real-world emissions of buses operating through a known pollution hot spot in Brighton city center.

Hybrid 299

Hybrid Pollution Emissions Exhaust 299

Green Car Congress

JANUARY 15, 2012

The transient results illustrate the gradual formation of the nucleation mode particles with continuous increase in exhaust temperatures. Diesel particulate filters (DPF) and urea-based selective catalytic reduction (SCR) exhaust after-treatment systems thus have emerged as feasible strategies to meet the 2010 USEPA regulations.

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Exhaust Diesel West Virginia 2007 218

Green Car Congress

NOVEMBER 16, 2021

The US Tire Manufacturers Association (USTMA) will produce cryogenically milled tire tread (CMTT) and provide samples to researchers to advance scientific study on tire and road wear particles (TRWP). We know that researchers face limitations in trying to create representative tire and road wear particles for accurate scientific study.

Standards 418

Standards Manufacturer Exhaust Emissions 418

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). µg/m 3. in PM 10.

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London Charging Pollution Diesel 299

Green Car Congress

SEPTEMBER 1, 2010

Approximately 9,000 people in California are estimated to die prematurely each year as a result of exposure to fine particle pollution, according to a new report issued by the California Air Resources Board (ARB). Fine particle pollution, smaller than 2.5 A causal relationship indicates the highest level of scientific certainty.

Pollution 220

Pollution EPA California Diesel 220

Green Car Congress

MAY 25, 2010

The study was published online 24 May in the ACS journal Environmental Science & Technology. The study examined the fuel-cycle CO 2 , SO 2 , and NO x emissions of EVs in China in both current (2008) and future (2030) periods and compared them with those of conventional gasoline vehicles and gasoline hybrids. Credit: ACS, Huo et al.

Coal 291

Coal Gasoline-Electric Gasoline Pollution 291

Green Car Congress

AUGUST 17, 2012

Under laboratory-simulated diesel exhaust conditions, this mixed-phase oxide material was superior to Pt in terms of cost, thermal durability, and catalytic activity for NO oxidation. Mullite is not only easier to produce than platinum, but also better at reducing pollution in diesel engines. Kyeongjae Cho.

Exhaust 240

Exhaust Diesel Dallas Conversion 240

Green Car Congress

JULY 17, 2017

Exposure to ozone, long associated with impaired lung function, is also connected to health changes that can cause cardiovascular disease such as heart attack, high blood pressure and stroke, according to a new study of Chinese adults. The team studied 89 healthy adults living in Changsha City, China, for one year.

Ozone 170

Ozone Pollution Connected Connect 170

Green Car Congress

OCTOBER 23, 2012

Contribution of gasoline and diesel exhaust to SOA over 0% to 50% diesel fuel use. The study determined that, depending on a region’s fuel use, diesel exhaust is responsible for 65% to 90% of vehicular-derived SOA, with substantial contributions from aromatic and aliphatic hydrocarbons. Gentner et al. Click to enlarge.

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Diesel Los Angeles Exhaust Gasoline 281

Green Car Congress

AUGUST 20, 2018

Babies in strollers can be exposed to up to ~60% higher average concentrations of pollution than their parents, causing potential damage to their frontal lobe and impacting on their cognitive abilities and brain development, according to a study by researchers at the University of Surrey (UK).

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Pollution Clean Cleaning Environment 199

Green Car Congress

NOVEMBER 27, 2013

Based on on-road measurements in their study, a team from the University of California Berkeley has estimated that, as of 2010, light-duty (LD) gasoline vehicles were responsible for 85% of CO; 18% of NO x ; 18% of organic aerosol (OA); and 6% of black carbon (BC) emissions from on-road motor vehicles in the United States.

Gasoline 239

Gasoline Emissions Diesel San Francisco 239

Green Car Congress

APRIL 25, 2023

In an open access paper in the Journal of Wind Engineering and Industrial Aerodynamics , researchers at the University of Surrey (UK) have investigated the effect of group riding on cyclists’ exposure to vehicle pollutants. —Schmeer et al. With more wind, riding towards the back of the group can be a good strategy to minimize exposure.

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Pollution Wind London Emissions 199

Green Car Congress

OCTOBER 5, 2020

These clusters are more reactive than the single atoms and, hence, exhaust gases can be much better removed. Among others, they are applied in nearly all combustion processes to reduce pollutant emissions. To convert pollutants, they usually have to react with oxygen in the catalyst. The results are reported in Nature Catalysis.

Kits 259

Kits Exhaust Pollution Polymer 259

Green Car Congress

DECEMBER 10, 2016

Air pollution impairs the function of blood vessels in the lungs, according to a study of more than 16,000 patients presented at EuroEcho-Imaging 2016. The study examined the effect of air pollution on pulmonary haemodynamics (blood flow) in a population and in individuals.

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Pollution 2016 Exhaust Ozone 150

Green Car Congress

OCTOBER 1, 2019

Freight transportation is a pillar of the US national economy, but while long-haul trucks account for less than 6% of the vehicle miles traveled over US highways, they account for about 40% of the emissions of air polluting particulate matter and about 55% of nitrogen oxides, the precursor to ozone in the atmosphere, the study said.

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Emissions Diesel Ozone United States 286

Green Car Congress

OCTOBER 6, 2016

A study by two researchers at Sandia National Laboratories has concluded that building and operating a high-speed passenger ferry solely powered by hydrogen fuel cells within the context of the San Francisco Bay is technically feasible, with full regulatory acceptance as well as the requisite associated hydrogen fueling infrastructure.

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Hydrogen San Francisco Power Powered 326

Green Car Congress

OCTOBER 24, 2022

New research from Chalmers University of Technology, Sweden, finds that the discharge water from ships’ exhaust gas treatment systems—i.e., Furthermore, the number of ships equipped with scrubbers have tripled since the study was carried out. Ytreberg et al.

Exhaust 170

Exhaust Emissions Mariner Gas 170

Green Car Congress

APRIL 24, 2011

A high ignition quality (high cetane number) fuel is well suited for operation under an advanced diesel combustion mode (High Efficiency Clean Combustion, HECC) and leads to reductions in all primary pollutant emissions—i.e., In their study, Lilik and Boehman operated a light-duty 2.5L —Lilik and Boehman.

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Diesel Pollution Fuel Emissions 236

Green Car Congress

DECEMBER 16, 2009

Barrier and instruments scientists used in the highway study. In the study, researchers released harmless “tracers”—gases that act as a stand-in for vehicle-related toxic pollutants such as carbon monoxide and heavy metals, and volatile organic compounds such as benzene—so scientists can “trace” their movement through the air.

Pollution 170

Pollution EPA Idaho Neighborhood 170

Green Car Congress

DECEMBER 25, 2019

Among pollutants that are less than 2.5 microns in diameter (PM2.5 ), airborne sulfate is one of the most common components of hazy air pollution formed atmospherically via the oxidation of sulfur dioxide (SO 2 ). Dense, hazy fog episodes characterized by relatively high humidity, low visibility and extremely high PM 2.5 —Prof.

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Pollution Environment Emissions Coal 225

Green Car Congress

JULY 15, 2019

A 2016 study by Professor Maher and colleagues found abundant magnetite nanoparticles in brain tissue; magnetite is toxic and has been implicated in the production of reactive oxygen species (free radicals) in the human brain, which are associated with neurodegenerative diseases including Alzheimer’s disease.

Pollution 236

Pollution Mexico Standards Exhaust 236

Green Car Congress

MAY 23, 2017

Researchers at Imperial College London, working with colleagues from King’s College London and University of British Columbia, have demonstrated a mechanism by which diesel exhaust particles directly affect the lungs to initiate symptoms such as a tightening of the airways and cough.

Exhaust 170

Exhaust Diesel Pollution Guinea 170

Green Car Congress

OCTOBER 3, 2010

A team from the US National Renewable Energy Laboratory and the Colorado School of Mines has measured gas phase and particle-associated non-regulated pollutant emissions from a heavy-duty engine operating both with and without a catalyzed DPF and operating on biodiesel fuel.

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Pollution Engine Ireland 2002 210