U. Houston-led project looking for new exhaust treatment catalysts for low-temperature lean-burn combustion engines

Green Car Congress

A chemical engineer from the University of Houston is leading a $2.1-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. Catalytic converters clean vehicle exhaust into nitrogen, water and carbon dioxide.

2017 35

Study finds total PM10 emissions from EVs equal to those of modern ICEVs; role of weight and non-exhaust PM

Green Car Congress

Non-exhaust PM factors include tire wear, brake wear, road surface wear and resuspension of road dust. Non-exhaust emissions tend to contain mostly PM 10 , but a significant proportion of the emissions contains fine PM 2.5

2016 53

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The importance of considering non-exhaust traffic emissions; the role of EVs

Green Car Congress

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. Non-exhaust PM factors include tire wear, brake wear, road surface wear and resuspension of road dust. Non-exhaust emissions require active regulation.

2016 25

Not Just Turbocharging: Exhaust Gases Can Generate Electricity, Too

Green Car Reports

The exhaust gases shooting out the tailpipes of internal-combustion cars aren''t just a form of pollution, they also represent wasted energy. One way to use some of that energy has been turbocharging: An exhaust-driven turbine runs a compressor that packs more air into the combustion chambers, allowing more gasoline to be injected, thus producing

Algae exhaust filter cuts CO2 emissions

Green Cars News

According to the firm’s Kickstarter funding page, the new CO2ube device, which fits onto the exhaust pipe of a vehicle, uses algae photosynthesis to[.].

Workplace Charging, Hydrogen Car Tax Credit, Exhaust-Powered Generator: Today's Car News

Green Car Reports

Today we''ve got reports on the growth of workplace electric-car charging, impeding expiration of the Federal hydrogen fuel-cell vehicle tax credit, and a new hybrid powertrain that sues exhaust gases to generate electricity. All this and more on Green Car Reports. We''ve updated our November plug-in electric car sales report with more figures.

Study finds engines emit exhaust nanoparticles even when not fueled during engine braking

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Exhaust particle size distributions measured by ELPI (color map) and particle concentration measured by CPC (white line) during individual engine braking conditions (speed change from 32 km/h to 0 km/h). The exhaust sample was taken from the exhaust manifold.

Federal-Mogul Powertrain introduces enhanced exhaust insulating sleeves; higher efficiency, lower emissions

Green Car Congress

Federal-Mogul Powertrain, a division of Federal-Mogul Holdings Corporation has enhanced its line of ThermFlex exhaust insulating sleeves. ThermFlex can expand to twice its original diameter to accommodate the flanges and bends typically seen on exhaust system components.

DENSO and IBIDEN to collaborate on next-generation vehicle exhaust systems and vehicle electrification

Green Car Congress

form ed a capital and business alliance jointly to develop next-generation vehicle exhaust systems. This collaboration will combine IBIDEN’s advantages in high-performance ceramic materials with DENSO’s advantages in developing products as systems to develop high-performance, simple and low-cost vehicle exhaust systems. DENSO has developed and provided systems components to better control the intake, power, and exhaust events in the operating cycle of gasoline and diesel engines.

Auto Exhaust Contributes To Clogged Arteries, Study Finds

Green Car Reports

What''s more worrying is that good cholesterol can change into bad cholesterol, and it could be car exhaust fumes that make it happen. You learn something new every day: Cholesterol, a little like bacteria, comes in body "good" and "bad" forms. All those low-cholesterol spread adverts have been lying to us! Researchers at UCLA have discovered that

Will exhaust sleeves help to reduce emissions?

Green Cars News

The solution could be an exhaust insulating sleeve (pictured) from Federal-Mogul Corporation. The company has enhanced its Thermflex exhaust sleeves with an optimised design that can now fit any combination of tube geometries and exhaust pipe. Green cars Latest news exhaust sleeves exhaust systems Federal Mogul green carsLooking to make your vehicle more environmentally friendly without breaking the bank?

Study finds gasoline exhaust contributes more to formation of secondary organic aerosols than diesel

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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. According to the findings, diesel exhaust’s contribution to SOA is at max 20%; that leaves gasoline contributing the other 80% or more.

Study finds diesel oxidation catalyst eliminates mutagenicity of diesel exhaust in gas phase

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A team of researchers in Germany has found that the mutagenicity of diesel engine exhaust (DEE) is eliminated in the gas phase by a Diesel Oxidation Catalyst (DOC), but only slightly reduced in the particle phase. This can be achieved by direct measurement of the exhaust components.

Study finds high exhaust temperatures within NTE operation for heavy-duty diesels with aftertreatment systems contribute to high nanoparticle concentrations

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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. However, higher exhaust temperatures resulted in total particle number concentration that were orders of magnitude higher.

Continental shows off-road exhaust gas aftertreatment solutions

Green Car Congress

At Agritechnica in Hanover, the world’s leading trade fair for agricultural machinery and equipment, Continental is presenting exhaust aftertreatment solutions for agricultural and construction machinery.

Corning expands light-duty vehicle exhaust filter capacity in Germany

Green Car Congress

Corning Incorporated has boosted its light-duty vehicle filter capacity at its manufacturing facility in Kaiserslautern, Germany for both gasoline and diesel engined vehicles. Diesel vehicle manufacturers are striving for greater engine performance and fuel economy while meeting Euro 6 emissions standards under a myriad of driving conditions.

When will it be unacceptable to drive a car with a tailpipe? Poll results

Green Car Reports

emissions zero emissions Exhaust Zero Emission Vehicle PollsNo vehicle on earth is entirely free of emissions; even electric cars charged on renewable energy have emissions associated with their manufacturing. Those emissions, however, are a tiny fraction of the carbon dioxide and other substances emitted by gasoline or diesel cars when scientifically assessed on a "wells to wheels" basis. This is well.

2012 Toyota Prius V: Service Alert (Exhaust Actuators)

Green Car Reports

At the end of last week, Toyota quietly announced a service campaign to rectify a potential problem with the exhaust system on the 2012 Toyota Prius V. The voluntary service campaign will focus on weak actuators located within the exhaust heat recovery system on the 2012 Toyota Prius V which, under some circumstances, could cause an engine coolant

Study finds “markedly” high levels of diesel exhaust present in commuter trains powered by locomotives in pull-mode

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However, both measurements also act as proxies for the complex mixture of gases in diesel exhaust, which is an established carcinogen and associated with respiratory, cardiovascular and reproductive health effects. Diesel-powered commuter trains may expose their passengers to elevated levels of certain black carbon and ultrafine particles, especially in the coach directly behind the locomotive, according to a new study from researchers at the University of Toronto.

Harleys with no emission controls: a much bigger problem than you know?

Green Car Reports

Like cars, new motorcycles leave the factory with emissions-control equipment that radically reduce the volume of various pollutants released through their exhaust. emissions motorcycles Harley-Davidson ExhaustThose emission-control systems are only effective if they remain unmolested. However, a subset of both car and motorcycle owners sometimes interfere with that equipment when modifying.

Researchers propose low-temperature SOFC unit for reducing NOx and oxidizing HCs in lean-burn engine exhaust

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Their SOFC system can be operated without consuming the anode fuel (a reductant) at temperatures near that of the engine exhaust to eliminate the need for reductant refilling and extra heating. The NO x concentration in the exhaust of an automotive gasoline engine with spark ignition can be as high as 4000 ppm. Urea-based ammonia selective catalytic reduction (SCR) is one of the most promising methods for NO x removal from diesel engine exhaust.

UBC study associates exposure to diesel exhaust with changes in DNA methylation

Green Car Congress

In an open access study published in the journal Particle and Fibre Toxicology , a team from the University of British Columbia investigated the short-term effects of diesel exhaust inhalation on DNA methylation levels at CpG sites across the genome in circulating blood in asthmatics. As an organism lives and grows, chemical reactions activate and deactivate parts of its genome at strategic times and in specific location. Epigenetics is the study of these reactions.)

Public Prosecutor: More than 2 but well below 10 suspects in VW exhaust test rigging

Green Car Congress

Countering a report published in Der Spiegel positing that some 30 managers were involved in the software defeat device on the EA 189 diesel engines, the public prosecutor’s office in Braunschweig (Staatsanwaltschaft Braunschweig), which is handling the investigation, told German media than “more than two but well below 10” employees are currently suspects in the investigation. Ziehe also said state police are assembling about 20 investigators to work with the prosecutor’s office.

Study estimates the composition of non-exhaust atmospheric particulate matter from traffic

Green Car Congress

A study by a team of researchers in the UK has estimated the contributions of brake dust, tire dust, and resuspended dust to non-exhaust traffic particles as. Sources and types of non-exhaust atmospheric particulate matter include: Iron, copper, antimony, and barium from brake operation.

New exhaust sleeving provides customizable flexible design for increased emissions performance

Green Car Congress

Federal-Mogul Corporation has enhanced its line of Thermflex exhaust insulating sleeves. The optimized design can now be tailored to fit any combination of exhaust pipe and tube geometries, helping to increase efficiency of a vehicle’s exhaust system, while protecting sensitive nearby vehicle components. Additionally, the unique flexible manufacturing process produces an exhaust sleeve that is application-specific, eliminating the need for custom tooling.

US study of miners links heavy exposure to diesel exhaust to increased risk of lung cancer death; researchers suggest implications for urban areas with high exhaust concentrations

Green Car Congress

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. According to the investigators, this is the first study based on estimates of quantitative historical exposure to diesel exhaust to yield a statistically significant, positive increase in lung cancer risk with increasing diesel exposure with adjustment for potential confounding from cigarette smoking.

Researchers developing free-piston linear generator for exhaust waste heat recovery

Green Car Congress

Researchers in China have developed a novel free-piston linear generator (FPLG) to recover exhaust waste heat efficiently from a vehicle engine. The two cylinders are alternately in the intake-expansion stroke and exhaust stroke.

Study estimates 6% of lung cancer deaths in US and UK attributable to diesel exhaust

Green Car Congress

In 2012, the International Agency for Research on Cancer (IARC), which is part of the World Health Organization (WHO), classified diesel engine exhaust (DEE) as carcinogenic to humans (Group 1). Silverman, Eric Garshick, Jelle Vlaanderen, Ltzen Portengen, and Kyle Steenland (2013) “Exposure-Response Estimates for Diesel Engine Exhaust and Lung Cancer Mortality Based on Data from Three Occupational Cohorts,” Environ Health Perspect doi: 10.1289/ehp.1306880.

Stena Line seeking novel approaches to recover energy from exhaust gases from ship engines

Green Car Congress

Stena Line is seeking novel, cost-effective approaches to recover energy from exhaust gases from ship engines and to transform it into a more useful energy form (e.g., Stena Line said that it is especially interested in industrial-scale applications of thermoelectric generators (TEG) that use the temperature difference between the exhaust gas and the ambient air to directly transform waste heat into electricity. direct exhaust gas turbines.

HEI ACES study of lifetime animal exposure to New Technology Diesel Engine exhaust finds no lung cancer

Green Car Congress

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. Advanced Collaborative Emissions Study (ACES): Lifetime Cancer and Non-Cancer Assessment in Rats Exposed to New-Technology Diesel Exhaust.

Continental introducing new solutions for economic and efficient exhaust gas aftertreatment in commercial vehicles

Green Car Congress

At the IAA in Hanover (Germany), Continental is presenting new solutions for exhaust gas aftertreatment in commercial vehicles. The technologies being shown are designed to help system suppliers and OEMs meet new exhaust emissions standards such as Euro VI (2013) and US10 /Tier4f. As the exhaust gas aftertreatment strategies are defined by the OEMs, it is part of our system competence to ensure that the individual components can be applied with a maximum amount of flexibility.

Borla Performance Industries developing muffler/membrane unit for exhaust water extraction with ORNL nanopore membrane technology

Green Car Congress

Borla Performance Industries , a leader in the design and manufacture of stainless steel performance exhaust, has an option to license a novel nanopore membrane technology developed at Oak Ridge National Laboratory (ORNL). Borla will combine this with its diesel exhaust technology to create a low-cost, novel system that doubles as a device to extract potable water from diesel and other internal combustion exhaust.

Environment Canada study finds vehicle exhaust a significant source of isocyanic acid; suggests consideration of new emission standard

Green Car Congress

Researchers at Environment Canada have found that vehicle exhaust is a significant source of isocyanic acid (HNCO), a toxic gaseous acid that is a product of various forms of combustion and a potential health concern. Automobile exhaust is also a known source of inorganic acids such as nitric (HNO 3 ) and nitrous (HONO) acids. measured several organic and inorganic acids from light duty diesel exhaust using acetate ion chemical ionization mass spectrometry (Acid-CIMS).

IAV develops new close-coupled diesel exhaust gas aftertreatment system for improved emissions reduction

Green Car Congress

IAV has developed a particularly closed-coupled diesel exhaust gas aftertreatment (EAT) system. A key contribution to this performance must come from the exhaust gas aftertreatment system—across the entire speed and load range.

Gas 1

First results from HEI/ACES murine study find few biologic effects from exposure to exhaust from new technology diesel engines

Green Car Congress

The few effects that were reported for the rats were mild hyperplasia (cell proliferation) in the lungs and slightly reduced lung function, and were most consistent with exposure to nitrogen oxides in the engine exhaust, which are being further reduced under 2010 US EPA standards now in effect. Results and Commentary on another ancillary study, assessing the effects of subchronic exposure to diesel exhaust on vascular markers, will be published during the fall of 2012.

The exhausting job of carbon-counting. The Green Piece

Green Cars News

Tuesday 11 November, 2012. The Green Piece Column. Much like calorie-counting, carbon-counting is an annoying and tedious job designed to make you want to pull your eyes out through your ears.

Removing the Fuel and Exhaust Systems

Open Source Civic EV Kit

I spent most of this afternoon and evening removing the fuel tank and exhaust system. I pried off the rubber rings holding the exhaust system to the car so I didn't have to cut them. Death to the catalytic converter and the last of the exhaust system!

Tesla Model X Exhaust Systems: Best Online Ad Of The Week

Green Car Reports

It turns out that at least one website will let you order an exhaust system for the Tesla Model X--a seemingly impossible request for an all-electric crossover, especially one that hasn''t even been released yet. Here''s a tale of online shopping gone wrong. Like many car-accessory websites, CARiD.com has drop-down menus that allow customers to

Researchers show mechanism by which diesel exhaust particles trigger respiratory “flare-ups”

Green Car Congress

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. Our work shows that particles from diesel exhaust can activate these ion channels, stimulating the nerves in the lungs.

Will The CO2 In Your Car Exhaust Become Valuable?

Green Car Reports

Whether or not you subscribe to the theory that carbon dioxide released by human activity is to blame for global warming, theres no doubt that we do release a lot of CO2 into the atmosphere. Many countries have now introduced measures to curb those emissions, something that goes hand-in-hand with reducing reliance on fossil fuels. Ironically, it