Green Car Congress

APRIL 11, 2023

Replacing all of the oldest, highly polluting school buses in the US could lead to 1.3 million fewer daily absences annually, according to a University of Michigan study. Even relatively short commutes on school buses can dominate students’ daily air pollution exposures.

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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.

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Green Car Congress

APRIL 12, 2019

Air pollution from diesel engines may worsen allergy-induced lung impairment more when tiny particles are filtered from the exhaust than when they are not, according to new research published online in the American Thoracic Society’s American Journal of Respiratory and Critical Care Medicine.

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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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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.

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Emissions Pollution Exhaust London 353

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.

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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

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Green Car Congress

MARCH 1, 2019

Exhaust from on-road diesel vehicles was responsible for nearly half of the impacts (~181,000 premature deaths) worldwide, and fully two-thirds in India, France, Germany, and Italy. The distribution of health impacts and air pollution from transportation is influenced by policy, demographic, economic, and technological changes.

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Green Car Congress

OCTOBER 21, 2015

Rice University scientists, working with colleagues in France, have detected the presence of anthropogenic carbon nanotubes (CBTs) in cells extracted from the airways of Parisian children under routine treatment for asthma. Carbon nanotubes and carbon nanoparticles (a) in vehicle exhaust and (b) inside a lung cell vacuole.

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Universal Carbon Pollution El Paso 150

Green Car Congress

NOVEMBER 30, 2018

A team at the University of Stirling in the UK has found new evidence of the link between air pollution and cancer as part of a new occupational health study. This new research indicates the role of traffic-related air pollution in contributing to the increasing incidence of breast cancer in the general population.

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Green Car Congress

SEPTEMBER 21, 2017

A chemical engineer from the University of Houston is leading a $2.1-million million project to find new catalytic materials that work at lower exhaust temperatures, allowing automakers to build vehicles that operate more efficiently while retaining the ability to clean emissions before they leave the tailpipe. and Johnson Matthey Inc.

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Green Car Congress

JULY 17, 2017

The study, by a team from Duke University, Tsinghua University, Duke Kunshan University and Peking University, appears in the journal JAMA Internal Medicine. They monitored indoor and outdoor ozone levels, along with other pollutants. —Junfeng (Jim) Zhang, from Duke and Duke Kunshan University.

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Green Car Congress

JULY 15, 2019

Solid CFDNPs in air pollution are characterized by the abundant presence of strongly magnetic, iron-rich particles which condense and/or oxidize upon airborne release, often retaining a rounded or spherical shape as they cool. annual air quality standard of 12 ? —Calderón-Garcidueñas et al. Cross, Imad A.M. Ahmed, Vassil V.

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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. Black carbon—commonly called soot—is a marker for exposure to diesel exhaust which is known to have negative health effects. Jonathan M. 8b01914.

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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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Green Car Congress

JULY 8, 2014

A team of University of California, Riverside Bourns College of Engineering students have won an EPA student design contest for developing an exhaust aftertreatment device that cuts CO, NO x and PM emissions from lawnmowers. A filter captures harmful pollutants.

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Green Car Congress

JANUARY 6, 2021

Researchers added the mass spectrometer to SwRI’s Universal Synthetic Gas Reactor (USGR), a catalyst performance testing solution that incorporates a Fourier Transform Infrared (FTIR) spectrometer, which uses IR radiation to identify and quantify molecules present in a gas sample. Real-time information is important,” Seuser said.

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Green Car Congress

JULY 14, 2011

A large body of work shows that exposure to road traffic and air pollution may be a trigger of adverse cardiovascular events such as angina, myocardial infarction, and heart failure, with long-term exposure increasing the lifetime risk of death from coronary heart disease.

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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. The population study showed a negative effect of PM 10 , PM 2.5

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Green Car Congress

MAY 2, 2016

the criteria pollutants and CO 2 that emerge with the exhaust from the tailpipe. However, there is more than 15 years of research showing that the contribution of non-exhaust primary particles to the total traffic generated primary particles is significant in urban areas. Further, a 2013 review by Denier van der Gon et al.

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Green Car Congress

OCTOBER 21, 2017

Pollution is the largest environmental cause of disease and premature death in the world today, according to the newly released report detailing the adverse effects of pollution on global health by the The Lancet Commission on Pollution and Health. Pollution is costly. The open-access report is published in The Lancet.

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Green Car Congress

OCTOBER 22, 2018

Auburn University researchers are leading a $2-million US Department of Energy Co-Optima project ( earlier post ) that will evaluate renewable butyl acetate (BA) as a bio-based fuel additive that can be blended with diesel fuel to reduce soot and greenhouse gas emissions and yield cleaner engine operation in cold-weather conditions.

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Green Car Congress

JANUARY 2, 2019

Overall, this study provides valuable insights on the impacts of ethanol content and gasoline composition on the exhaust emissions from a current technology GDI FFV. —Yang et al. Jiacheng Yang, Patrick Roth, Thomas D. Durbin, Kent C. Johnson, Akua Asa-Awuku, David R. 8b02206.

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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. Nanostellar was founded in California in 2004 by scientists from Stanford University and NASA Ames Research Center. Kyeongjae Cho.

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Green Car Congress

JULY 23, 2017

A new study, part of the Atlanta Commuter Exposures (ACE) Study, has assessed on-roadway in-cabin particulate pollution (PM 2.5 ) collected from scripted rush hour commutes on highways and on non-highway side streets. Most traffic pollution sensors are placed on the ground alongside the road and take continuous samples for a 24-hour period.

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Cars That Think

FEBRUARY 27, 2024

Although the pollutant emissions of a diesel engine are less than those of a gasoline one, it still emits carcinogens, nitrous oxides, and soot. To reduce emissions, diesel vehicles use filters that catch exhaust particles and other contaminants. Older models don’t even have the emission-control features that newer ones do.

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Carbon Diesel Emissions Bangladesh 107

Green Car Congress

AUGUST 14, 2019

As part of the Horizon 2020 research project CARES (City Air Remote Emission Sensing), an international research consortium is working on new contactless exhaust measurement methods that will enable municipalities to take emission-reducing measures. The aim is to detect the exhaust class of each individual vehicle using these measurements.

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Green Car Congress

JANUARY 9, 2015

While changes in DNA methylation have been associated with traffic-related air pollution in observational studies, the specific mechanisms have not been explored in a controlled study of asthmatics. Usually when we look at the effects of air pollution, we measure things that are clinically obvious—air flow, blood pressure, heart rhythm.

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Exhaust Diesel Pollution Canada 150

Green Car Congress

NOVEMBER 30, 2020

An electrically driven compressor for precise exhaust gas recirculation is also used. Then we modify the timing and pressure of the injection, among other things, and look at exhaust emission values and fuel consumption. This is done via exhaust gas recirculation (EGR). —Patrik Soltic. The first results are very promising.

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Green Car Congress

DECEMBER 9, 2011

or fine-particulate matter, is exhaust from vehicles, especially from diesel engines. The California Air Resources Board commissioned the studies to further investigate the connection between fine particulate pollution and public health impacts in California. of the University of California, Davis, investigated how inhaled PM 2.5

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Green Car Congress

DECEMBER 6, 2017

Exposure to air pollution on city streets is enough to counter the beneficial health effects of exercise in adults over 60, according to new research led by Imperial College London and Duke University. Our research suggests that we might advise older adults to walk in green spaces, away from built-up areas and pollution from traffic.

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Green Car Congress

NOVEMBER 13, 2016

A new statistical method developed by researchers at KAUST (King Abdullah University of Science and Technology, Saudi Arabia) can detect abnormal ozone levels within large bodies of monitored data. Sun and her colleagues also hope to apply their data analysis techniques to dust pollution, another major environmental issue in Saudi Arabia.

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Green Car Congress

MARCH 29, 2023

A study by researchers at the University of Birmingham in the UK has found that while Diesel Oxidation Catalysts (DOCs) and Diesel Particle Filters (DPFs) has been very effective in controlling the tailpipe emissions of solid particles, there has been little change in the liquid mode ( 104 cm −3 /24-hour mean) defined by WHO.

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Emissions Diesel London Environment 210

Green Car Congress

MARCH 25, 2020

This puffy line is not just exhaust from the engine, but a change in the clouds that’s caused by small airborne particles of pollution. New research led by the University of Washington (UW) is the first to measure this phenomenon’s effect over years and at a regional scale. Michael Diamond/University of Washington.

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Green Car Congress

MAY 24, 2017

Based on a three-year study of toxic and environmentally relevant pollutants from gasoline direct injection (GDI) engines, Swiss researchers have concluded that some GDI engines emit just as many soot particles as unfiltered diesel cars did in the past. Further, the GDI particles carry numerous carcinogenic substances. —Norbert Heeb.

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Green Car Congress

JANUARY 27, 2015

The first study to conduct a comprehensive evaluation of lifetime exposure to new technology diesel exhaust (NTDE)—i.e., exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. Earlier post.) Earlier post.)

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Green Car Congress

APRIL 28, 2015

A trio of recently published studies from a team of University of Toronto engineers has found that air pollution could be spreading up to three times farther than thought, contributing to varying levels of air quality across cities. We used to think that living near a major road meant that you lived near a lot of air pollution.

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