Exhaust particulate matter. Medical search. Frequent questions

Exhaust Particulate Matter Emissions from In-Use Passenger Vehicles Recruited in Three Locations: CRC Project E-24," SAE Technical Paper 1999-01-1545, 1999, https://doi.org/10.4271/1999-01-1545 . (sae.org)
Ground-level ozone is not emitted directly into the air, but forms when nitrogen oxide and volatile organic compounds (VOCs) from vehicle exhaust, factory emissions and other sources react with sunlight. (lung.ca)
A study examining diesel emissions control strategies based on retrofitting existing power packages with exhaust aftertreatment devices and repowering with advanced power packages. (cdc.gov)
Register now for the free 1/23/2019 MSHA/NIOSH Diesel Partnership workshop on advanced low-emissions technologies to reduce exposure to diesel exhaust. (cdc.gov)
However, particulate matter emissions from road traffic comprise emissions from exhaust tailpipe and emissions due to wear and tear of the vehicle part such as brake, tire and clutch and re-suspension of dust (non-exhaust emission). (waset.org)
the exhaust-tailpipe emissions were calculated using the Europeans emission inventory Tier II method and Tier I for the non-exhaust emissions (like vehicle tire wear, brake, and road surface wear). (waset.org)
The results show that of the total traffic-related particulate emissions in the city, 63% emitted from vehicle exhaust and the remaining 37% from non-exhaust sources. (waset.org)
However, from the total yearly non-exhaust particulate matter emissions' contribution, tire and brake wear shared around 65% and 35% emanated by road-surface wear. (waset.org)
Furthermore, vehicle tire and brake wear were responsible for annual 584.8 tons of coarse particles (PM 10 ) and 314.4 tons of fine particle matter (PM 2.5 ) emissions in the city whereas surface wear emissions were responsible for around 313.7 tons of PM 10 and 169.9 tons of PM 2.5 pollutant emissions in the city. (waset.org)
12] U. E. N. C. for E. Assessment, "Analysis of particulate matter emissions from light-duty gasoline vehicles in Kansas City," 15-Mar-2009. (waset.org)
Biodiesel promises a reduction in some exhaust emissions, as well as reduced dependence on foreign petroleum supplies. (wikipedia.org)
Goldsboro, NC - AP Exhaust Technologies, a leading manufacturer and supplier of automotive, light truck, and heavy-duty exhaust and emissions products, has just introduced a new line of Diesel Particulate Filters (DPF) for replacement on Class 2 and 3 vehicles. (ih8mud.com)
These tiny particles can come from a variety of sources, including vehicle exhaust, industrial emissions, wildfires, and dust. (panasonic.com)
Air Quality Index (AQI) measures particulate matter (PM2.5 and PM10), Ozone (O 3 ), Nitrogen Dioxide (NO 2 ), Sulfur (SO 2 ) and Carbon Monoxide (CO) emissions in a specific location. (panasonic.com)
Cooled exhaust gas recirculation reduces Nitrogen Oxide (NOx) Emissions and minimizes fuel consumption. (deere.com)
The air district says that procedure, part of normal daily operations at many large refineries, emits more particulate matter than any other part of the refining process and makes up a significant portion of each plant's total emissions. (kqed.org)
The air district says the change could cut annual Chevron and PBF emissions of PM10 particulates by an estimated 400 tons - or 72% - from the recently reported level of 554 tons a year. (kqed.org)
Reducing particulate matter emissions can reduce mortality and increase average life span. (kqed.org)
Texas Clean School Bus Program The Texas Clean School Bus (TCSB) program is a comprehensive program designed to reduce emissions of diesel exhaust from school buses. (texas.gov)
School-bus emissions decrease by as much as 90 percent when these engine or exhaust retrofits are made. (texas.gov)
This will be GM's first engine to use a NO x aftertreatment system along with a diesel particulate filter to help achieve the Tier 2 Bin 5 (T2B5) and LEV 2 emissions standards. (greencarcongress.com)
Upgrades to the engine and a new diesel particulate filter system help ensure the engine meets government-mandated emissions regulations for diesel engines manufactured beginning in January 2007, which require a 90% reduction in particulate matter and 50% reduction in NO x . (greencarcongress.com)
The hot exhaust gas generated by the engine generally contains unwanted gaseous emissions and possibly some suspended particulate matter that may need to be converted to more innocuous substances before being discharged to the atmosphere. (equities.com)
An exhaust aftertreatment system that includes specially catalyzed flow-through components may be employed to dynamically treat a continuous exhaust flow with variable concentrations of these emissions. (equities.com)
A way to reduce harmful exhaust and greenhouse gas (GHG) emissions and secure the sources of energy is to develop technology for an efficient diesel engine operation independent of fossil fuels. (lu.se)
There is a lack of data on how renewable fuels change the semi-volatile organic fraction of exhaust emissions. (lu.se)
In order to characterize and explain the difference in exhaust emissions from fossil diesel, HVO and RME fuels, particulate matter (PM) emissions were sampled at two exhaust positions of an experimental single cylinder Scania D13 heavy-duty (HD) diesel engine: at the exhaust manifold, and after a diesel oxidation catalyst (DOC). (lu.se)
The experimental research examines the toxicity of airborne particulate matter, diesel and biodiesel exhaust emissions, wood smoke and identities of biomarkers of exposure. (imperial.ac.uk)
Since January 2019, the EU Stage V Emission Regulation sets stricter limits for particulate matter (PM) emissions. (yanmar.com)
The DPF collects the particulate matter or soot from the exhaust gas, resulting in cleaner emissions and good operability. (yanmar.com)
Emission control strategies, such as aftertreatment systems, have been implemented to reduce the health hazardous particulate matter (PM) and nitrogen oxides (NOx) emissions. (lu.se)
The overall aim of this thesis was to understand the effect of introducing renewable diesel fuels and emission abatement techniques on health relevant exhaust emissions. (lu.se)
We also evaluated the effect of using an aftertreatment system consisting of a diesel oxidation catalyst (DOC) and a diesel particle filter (DPF) on the exhaust emissions. (lu.se)

The black particulates in the work place contained soot, which indicated that exhaust particles were entering the work space. (cdc.gov)
They filter out 99% of engine-out soot/PM (Particulate Matter) and feature the best backpressure levels available in the aftermarket today. (ih8mud.com)
Particulate matter is essentially what some experts call "dirty air," which contains things like soot, dust and dirt. (kqed.org)
Elemental carbon is used as an indicator of diesel particulate matter, or DPM, which is the soot produced by the combustion of diesel fuel. (portoflosangeles.org)
As you might have already heard, the gasoline direct-injection (GDI) engine can emit more hazardous particulate matter and soot than diesel mills equipped with a particulate filter. (autoevolution.com)
Additional exhaust control, including oxidizing catalyst and new Diesel Particulate Filter (DPF) to reduce soot and particulate matter. (greencarcongress.com)

Fine particulate matter is a broad name given to particles of liquids and solids that pollute the air. (lung.ca)
Total number of particles reduced with increasing λ, however particulate size-number distribution curve shifted away from accumulation mode, indicating that the particulate size decreased with increasing λ. (aaqr.org)
This includes both fine particles (PM 2.5 ) and coarse particulate matters (PM 10 ). (waset.org)
The annual roads transport exhaust emission shares around 2394 tons of particles from all vehicle categories. (waset.org)
Animal ecologists at the University of Bayreuth have now studied the effects of diesel exhaust particles on bumblebees for the first time. (uni-bayreuth.de)
Exhaust particles from diesel-powered vehicles can cause respiratory or lung diseases in humans. (uni-bayreuth.de)
In cooperation with the Chair of Technical Thermodynamics and Transport Processes at the University of Bayreuth, they generated exhaust particles produced by the combustion processes in a four-cylinder diesel engine of the type often found in passenger cars. (uni-bayreuth.de)
The amount corresponded to the amount of diesel exhaust particles that had already been detected in soils near busy country roads. (uni-bayreuth.de)
After the bumblebees had consumed exhaust particles at every meal for seven days, the scientists observed a significant change in the composition of the intestinal microbiome: Of the bacterial species that normally form the main components of the bumblebees' intestinal flora, some were much more abundant, while others were less abundant. (uni-bayreuth.de)
For ten days, the bumblebees ingested exhaust particles mixed into the sugar water in varying concentrations. (uni-bayreuth.de)
These studies also suggest the conclusion: the daily intake of exhaust particles through food puts the bumblebees' organism under stress. (uni-bayreuth.de)
Fine particulate matter' (PM2.5) refers to particles with a diameter of less than 2.5 microns. (kidsdata.org)
Dust is not only unsightly and annoying to get rid of, but it also contains tiny particles called PM2.5 (Particulate Matter), which can penetrate deep into our lungs, enter the bloodstream, and cause a range of health issues. (panasonic.com)
Additionally, particulate pollution such as PM2.5 and ultrafine particles can enter the bloodstream, causing a range of health problems to the organs. (panasonic.com)
The 1987 standard, which governs today, is expressed in terms of small particles (also called particulate matter) that measure 10 micrometers or less in diameter. (ejnet.org)
Concentrations of another key air pollutant related to diesel exhaust, PM2.5 (particles less than 2.5 microns in size) met federal and state standards for the fifth straight year. (portoflosangeles.org)

The UK capital's levels of ultra-fine particulate matter, known as PM2.5, are currently around half that would be normally recorded at this time of year, based on an average of measurements over the past five years, scientists say. (dailymail.co.uk)
Kennedy took regular readings of ultra-fine particulate matter at the front and back of the ships. (princegeorgecitizen.com)
Ultra-fine particulate matter can cause a range of health problems. (princegeorgecitizen.com)
Not surprisingly, he found much higher concentrations of ultra-fine particulate matter at the stern of the ship. (princegeorgecitizen.com)
It's not just those aboard the cruise ships that may be subjected to high levels of ultra-fine particulate matter, Ulrich said. (princegeorgecitizen.com)

FTP-UDDS (urban dynamometer driving schedule) exhaust particulate matter (PM) emission rates were determined for 361 light-duty gasoline (LDGV) and 49 diesel passenger vehicles ranging in model year (MY) from 1965 to 1997. (sae.org)
In the present study, experiments were performed in a modified gasoline fuelled HCCI engine at varying intake air temperatures (T i ), exhaust gas recirculation (EGR) rates and relative air-fuel ratios (λ). (aaqr.org)
BSOF was negligible as compared to total PM which showed relatively lower toxicity of gasoline HCCI particulates. (aaqr.org)
Now, though, the system designed to remove particulate matter from the exhaust gas of diesel cars will be adapted for gasoline engines. (autoevolution.com)
The first nameplates and engines to receive the gasoline particulate filter ( GPF , I suppose? (autoevolution.com)
Environmental benefits of the new engine include a 13% reduction in CO 2 versus gasoline engines, and at least a 90% reduction in particulates and NO x compared to diesel vehicles today. (greencarcongress.com)
A stoichiometric mixture of air and fuel (air to fuel mass ratio of about 14.7 for standard petrol-based gasoline) combusts to provide the exhaust flow with a reaction balance of oxidants (O.sub.2 and NO.sub.X) and reductants (CO, HC's, and H.sub.2). (equities.com)

The main ones are ground-level ozone and fine particulate matter. (lung.ca)
while fire causes particulate matter, nitrogen oxides, ozone and sulphur oxides. (mediaforfreedom.com)
The 6 pollutants that account for the large majority of air pollution worldwide and for which standards are usually specified include carbon monoxide (CO), ozone (O3), oxides of nitrogen (NOx), sulfur dioxide (SO2), lead (Pb) and suspended particulate matter (SPM). (who.int)

At the moment a new generation of so-called "multi-pollutant scrubbers" is being developed and tested that not only removes ammonia but also aims for significant removal of odor and particulate matter (PM10 and PM2.5) from the air. (lpelc.org)

U.S. Environmental Protection Agency, Particulate Matter (PM2.5) Trends (Dec. 2020). (kidsdata.org)
PM2.5 is an air pollutant commonly found in diesel exhaust. (kidsdata.org)
PM2.5 refers to fine particulate matter that is 2.5 micrometers in diameter or smaller. (panasonic.com)
Fine inhalable particulate matter with diameters that are generally 2.5 micrometers or smaller - known as PM2.5 - can exacerbate conditions for people who have preexisting heart and lung conditions, including children with asthma. (kqed.org)

The shorthand way to refer to these pollutants is PM10 (meaning Particulate Matter 10 micrometers or less in diameter). (ejnet.org)
The scrubbers capture and remove pollutants by sending exhaust gas through sprays of scrubbing liquid. (kqed.org)
Cruise ships and other large international vessels typically burn bunker fuels, which produce high amounts of pollutants like particulate matter and sulphur oxide. (princegeorgecitizen.com)
The levels of particulate matter reported in Qatar were in the upper range of ambient air pollutants reported internationally, and may influence the country's future lung cancer burden. (who.int)

Compelling evidence also indicates that fine particulate matter is the most significant air pollution health hazard in the Bay Area," air district staff wrote in the agency's report on the proposal. (kqed.org)
According to Dr Schraufnagel, apart from climate change, the two main causes of outdoor air pollution are exhaust fumes from cars, and power plants. (mediaforfreedom.com)
The adverse health effects of particulate matter pollution are of increasing concern. (kb.se)
Since moving to London in 1992 my research addressed the mechanisms underlying air pollution related health issues including the development of a model system to access the oxidative potential of ambient particulate matter. (imperial.ac.uk)
This was initially achieved through participation in a number of European projects and through coordination of an MRC Cooperative Group investigating the mechanistic basis of particulate air pollution toxicity. (imperial.ac.uk)
On the positive side we have more time to catch up with writing and thinking about future work such as, is there a link between particulate pollution and the spread of Covid-19. (imperial.ac.uk)
For example, over 50% of pneumonia deaths in children under 5 years of age are due to particulate matter inhaled from burning of solid fuels in the home, and one fifth of deaths from stroke and ischaemic heart disease have air pollution as the main risk factor. (who.int)
IARC had already classified diesel exhaust and coal smoke (two main components of ambient and indoor air pollution) as carcinogens. (who.int)

Annual average concentration of fine particulate matter in the air (e.g., in 2019, the average concentration of fine particulate matter in the air in Los Angeles County was 11 micrograms per cubic meter). (kidsdata.org)
The short-term health effects of HVO exhaust from modern non-road vehicles (2019), with or without the PM fraction, were investigated in a controlled human exposure chamber study. (lu.se)

Peer-reviewed literature defines the ambient air concentrations of diesel exhaust for several railroad occupations as being above environmental background levels. (springer.com)
This study uses diesel exhaust concentrations in the railroad work environment in conjunction with the USEPA's Integrated Risk Information System ("IRIS") risk assessment methodology to quantify the cancer risk posed to railroad workers due to occupational inhalation exposure to diesel exhaust. (springer.com)
The stern, after all, is behind the ship's exhaust stack, so concentrations of exhaust will be higher behind the smokestack when the ship is moving. (princegeorgecitizen.com)
The excess air contained in a lean mixture of air and fuel increases the concentration of uncombusted oxygen and decreases the concentrations of the various reductants in the exhaust flow. (equities.com)

AP Exhaust DPFs are not for sale or use in California. (ih8mud.com)
Easy2Fit ® diesel particulate filters (DPFs) benefit from the OE expertise of Faurecia, a world leader in exhaust systems. (hella.com)
Easy2Fit ® DPFs are made of high quality materials and components that enable maximum performance in filtering particulate matter. (hella.com)
This means no regeneration downtime, no Diesel Particulate Filters (DPFs) to replace, no extreme exhaust temperatures, no after-treatment fluids to add. (casece.com)

Additional combustion control, including an even more efficient variable-geometry turbocharging system, cooled (enhanced) Exhaust Gas Recirculation (EGR) and closed crankcase ventilation to reduce NOx. (greencarcongress.com)
Cooled Exhaust Gas Recirculation (CEGR) process is controlled electronically to achieve greater performance and fuel efficiency, as well as even greater reliability. (casece.com)

Levels of particulate matter, which come from road transport and burning fuel, as well as nitrogen dioxide, which comes primarily from vehicle exhausts, are low across London. (dailymail.co.uk)
This is primarily a consequence of lower traffic volumes, and some of the most clear reductions have been in nitrogen dioxide, which comes primarily from vehicle exhaust. (dailymail.co.uk)

In The Netherlands, Germany and Denmark packed-bed biotrickling filters and acid scrubbers for removal of ammonia from exhaust air of animal houses are off-the-shelf techniques for ammonia removal (70 - 95% average removal). (lpelc.org)
Our final tier 4 Isuzu engine reduces NOx by injecting diesel exhaust fluid (DEF) into the exhaust stream where then decomposes into ammonia. (deere.com)
The proposal before the 24-member air district board would amend Regulation 6 Rule 5 , limiting the amount of particulate matter, ammonia and sulfur dioxide the cracking units emit. (kqed.org)
A SCR system introduces a reductant such as ammonia (or urea because it reacts to form ammonia) or a hydrocarbon into the exhaust flow which, in turn, reacts with NO.sub.X in the presence of oxygen over a reaction-specific SCR catalyst to form nitrogen. (equities.com)
a liquid reductant agent (ammonia) is injected into the exhaust stream to reduce the level of NOx. (casece.com)

Aerosols of sulfuric acid and other sulfates make up 5- 20% of total suspended particulate matter in urban air. (soilworks.com)
For SPM, 2 classifications are generally employed, i.e. total suspended particulate matter (TSP) and particulate matter less than 10 μm in diameter (PM10). (who.int)

Car exhaust is a source of carbon dioxide and this component tends to get most of the coverage these days, but there's a whole bunch of nasty toxic chemicals in car exhaust that damage our environment. (greenlivingtips.com)
Diesel Oxidation Catalyst (DOC) which reacts with exhaust gases to reduce carbon monoxide and hydrocarbons. (deere.com)
Examples include fine particulate matter, carbon monoxide and nitrogen oxides. (healthlinkbc.ca)
Furthermore, this may lead to the build-up of carbon deposits, leading to contamination of the engine, exhaust system or sensitive EGR valve. (moviesonline.ca)

AP Exhaust Technologies First-to-Market with New Diesel Particulate Filters (DPF) for Light. (ih8mud.com)
According to Bill Kaminski, Vice President Product Development, AP Exhaust, "These new Diesel Particulate Filters offer an exceptional value and a direct-fit solution for light and medium duty vehicles that are reaching their exhaust system life expectancy. (ih8mud.com)
The post AP Exhaust Technologies First-to-Market with New Diesel Particulate Filters (DPF) for Light and Medium Duty Vehicles appeared first on RockCrawler 4x4 and Offroad Magazine . (ih8mud.com)
In addition, twenty-four hour integrated samples of particulates are collected on filters every third day for detailed chemical analyses, which cannot be done with real-time monitors. (portoflosangeles.org)
Following increases in efficiency and lower CO‚ output, we are now bringing about a sustained reduction in the emission levels of our modern petrol engines by fitting particulate filters as standard. (autoevolution.com)
All Faurecia Service diesel particulate filters are approved in accordance with the standards that apply to them. (hella.com)
Easy2Fit ® diesel particulate filters are supplied with the accessories required for installation. (hella.com)
Radiators, filters, hydraulics and the engine are all easily accessible so routine maintenance can be done in a matter of minutes. (casece.com)

The occupational exposure to diesel exhaust from vehicles in a Swedish modern underground mine was quantified and evaluated in relation to the vehicles' level of emission reduction technology. (lu.se)

Automotive exhaust systems are designed to move hot gases from the engine to the rear of the car and into the air stream. (2carpros.com)
These gases/contaminants include Particulate matter. (2carpros.com)
Due to the difficulties of ventilating large-opening stone mines, the effective dilution of diesel particulate matter and noxious gases has often been problematic. (cdc.gov)

Agglomeration, coagulation, surface condensation, adsorption and oxidation processes are a part of particulate evolution process and lead to significant changes in characteristics of particulate matter (PM), when they enter the atmosphere. (aaqr.org)
4) Class 75, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures, subclasses 228-250, consolidated metal powder compositions and subclasses 255-254, loose metal particulate mixtures. (uspto.gov)
8) Class 75, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures, subclasses 331-341, processes of making solid particulate alloys directly from liquid metal and subclasses 343-374, processes of producing or purifying alloys in powder form. (uspto.gov)
9) Class 75, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures, subclasses 10.1-10.66 and 10.67, processes of making alloys by electrothermic, electromagnetic, or electrostatic processes. (uspto.gov)
11) Class 75, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures, subclasses 330-773, processes of making metal and processes of treating liquid metals and liquid alloys and consolidating metalliferous material. (uspto.gov)

To determine the effect of pre-exercise exposure to diesel exhaust (DE) on 20-km cycling performance, pulmonary function, and cardio-respiratory variables during exercise. (nih.gov)
For example PM10 - the large particulate matter, is associated with increase in RSV virus (Respiratory Syncytial Virus), bacterial pneumonia, and viral influenza. (mediaforfreedom.com)

Many different exhaust aftertreatment system designs have been developed. (equities.com)

A capacity-building contract focused on the use of ventilation in controlling diesel particulate matter (DPM) levels, particularly in the context of challenging mining conditions. (cdc.gov)
In addition, significant CO exposure can occur in the absence of open flames, as a result of malfunctioning domestic equipment (eg, poorly ventilated space heaters, cooking gas) or exposure to automobile exhaust fumes either from a suicide attempt or accidentally from poor ventilation. (medscape.com)

Pre-exercise exposure to diesel exhaust did not significantly impair 20 km cycling time trial performance. (nih.gov)
The method outlined in this article is a customization of the whole exhaust exposure method generated by Mullins et al. (edu.au)
Inhalation exposure to diesel exhaust in the railroad work environment causes significant and quantifiable cancer risks to many railroad workers. (springer.com)
This is the first study to utilize USEPA methodology to calculate the excess lung cancer risk caused by railroad workers' cumulative exposure to diesel exhaust. (springer.com)
Diesel particulate matter ("DPM") is the particulate fraction of diesel exhaust and has historically been used as a surrogate measure of exposure for whole diesel exhaust (USEPA, 2002 ). (springer.com)
In a recent bronchoscopic study in healthy volunteers, pronounced airway inflammation was detected following exposure to diesel exhaust (DE). (kb.se)
This study demonstrates that exposure to diesel exhaust induces inflammatory response in healthy human airways, represented by an early increase in interleukin-6 and methylhistamine concentration and the percentage of neutrophils. (kb.se)
This is much lower than the future EU occupational exposure limit (OEL) for diesel exhaust (50 μg EC m-3, from 2026underground). (lu.se)
Short-term exposure to HVO exhaust below the EU OELs did not cause severe pulmonary function changes in healthy subjects. (lu.se)
This may indicate irritative effects from exposure to HVO exhaust from modern non-road vehicles below future OELs. (lu.se)

Diesel exhaust is an important airborne contaminant in workplaces where diesel-powered equipment or vehicles are used. (edu.au)

For particulate characterization, a partial flow dilution tunnel was used to collect particulate samples on a filter paper. (aaqr.org)

Physical characterisation of particulates was done using engine exhaust particle sizer (EEPS), which measured the particle size-number distribution. (aaqr.org)
9] R. M. Harrison and J. Yin, "Particulate matter in the atmosphere: which particle properties are important for its effects on health? (waset.org)
Diesel exhaust is a complex mixture of hundreds of constituents in either a gas or particle form (USEPA, 2002 ). (springer.com)

The district says the scrubbers can significantly reduce the particulate matter released into the air. (kqed.org)

The particulate matter, especially the fine particulate matter PM 2.5, gets into the blood vessels and spreads throughout the body. (mediaforfreedom.com)

Trees also reduce particulate matter in the air from vehicle exhaust and other sources. (dallasnews.com)
According to VW, the said particulate filter can reduce the yucky stuff coming out the car's exhaust pipes by up to 90 percent. (autoevolution.com)

These particulate samples were analysed for benzene soluble organic fraction (BSOF), trace metals, and particulate morphology using scanning electron microscopy (SEM). (aaqr.org)

Depending on the load that the tractor is under, as well as ambient temperature, humidity, and engine speed, the DPF may build up with particulate matter, thus requiring cleaning. (deere.com)
Passive filter cleaning occurs naturally when the engine is generating enough heat to oxidize particulate matter. (deere.com)
Diesel Particulate Filter (DPF) physically traps particulate matter from the engine exhaust. (casece.com)

All-Star and STA must stop violating anti-idling laws and exposing the public to dangerous levels of tailpipe exhaust. (clf.org)

In this cleaning cycle, the exhaust gas temperature is raised by injecting additional fuel during the exhaust stroke of normal vehicle operation to the diesel oxidation catalyst (DOC). (deere.com)
A LNT directs the exhaust flow over a NO.sub.X absorption catalyst that stores NO.sub.2 as a nitrate species until purged with a source of reductants that also converts the desorbed NO.sub.X into nitrogen over a NO.sub.X reduction catalyst. (equities.com)
Most, if not all, of the NO present in the exhaust flow is preferably oxidized to NO.sub.2 to maximize the NO.sub.2 absorption selectivity of the NO.sub.X absorption catalyst. (equities.com)

The two most prevalent approaches, to date, for reducing NO.sub.X in an oxygen enriched exhaust flow are a selective catalytic reduction (SCR) system and a lean NO.sub.X trap (LNT). (equities.com)

An example of regular maintenance is the periodic regeneration of the diesel particulate filter (DPF). (yanmar.com)

Idling vehicles release harmful exhaust filled with particulate matter and toxins. (clf.org)

Theoretically, continued combustion of inhaled particulate matter could possibly produce more distal airway injury. (medscape.com)

Induced sputum provides a safe tool for the investigation of the inflammatory effects of diesel exhaust, but care must be taken when interpreting results from repeated sputum inductions. (kb.se)

Many Bay Area residents have become more familiar with the air quality concerns associated with particulate matter as a result of massive wildfires in recent years that have fouled the region's air. (kqed.org)

A partnership between the NIOSH Mining Program and its stakeholders to share diesel exhaust health effects solutions. (cdc.gov)
Hundreds of thousands, if not millions of people and animals die prematurely each year due to the health effects of inhaling particulate matter. (greenlivingtips.com)

8] A. Kadiyala and A. Kumar, "Development and application of a methodology to identify and rank the important factors affecting in-vehicle particulate matter," Journal of Hazardous Materials, vol. 213-214, pp. 140-146, Apr. (waset.org)
By supplying the exhaust system kits in several components instead of a complete system, it is fitted to the vehicle by a single person in no time at all. (hella.com)

Particulate surface area and volume also increased with increasing T i and mixture strength. (aaqr.org)

It occurs naturally in our atmosphere at around 0.1 ppm, but car exhaust without a catalytic converter contains 7,000 parts per million. (greenlivingtips.com)

Anatomy9

Organisms1

Diseases15

Chemicals and Drugs55

Analytical, Diagnostic and Therapeutic Techniques and Equipment29

Psychiatry and Psychology1

Phenomena and Processes25

Disciplines and Occupations5

Anthropology, Education, Sociology and Social Phenomena3

Technology, Industry, Agriculture16

Information Science4

Named Groups2

Health Care55

Geographicals13

Emissions33

Soot6

Particles16

Ultra-fine particulate matter5

Gasoline7

Ozone3

PM10 and PM2.51

PM2.54

Pollutants4

Pollution8

20192

Concentrations4

DPFs4

Recirculation2

Nitrogen dioxide2

Ammonia5

Total suspended partic2

Carbon4

Filters8

Emission1

Gases3

Processes5

Respiratory2

Aftertreatment system1

Ventilation2

Exposure10

Airborne1

Dilution1

Particle3

Significantly reduce1

Fine1

Reduce2

Benzene1

Engine3

Levels1

Catalyst3

Reduction1

Regeneration1

Harmful exhaust1

Airway1

Effects of diesel exhaust1

Wildfires1

Health effects2

Vehicle2

Mixture1

Atmosphere1