Diesel, Emissions and Exhaust

New Emissions Analytics study suggests pollution from tire wear now 1,850 times worse than exhaust emissions

Green Car Congress

MAY 13, 2022

In early 2020, UK-based independent testing firm Emissions Analytics published a study claiming that tire particulate wear emissions were 1,000 times worse than exhaust emissions ( earlier post ). —Emissions Analytics. Quoting such ratios, however, needs careful interpretation.

Exhaust

Exhaust Emissions Pollution Legal

Optimized heavy-duty CI engine fueled with DME delivers diesel performance, significantly reduces engine-out emissions

Green Car Congress

AUGUST 14, 2023

A team from Empa - Swiss Federal Laboratories for Materials Science and Technology and FPT Motorenforschung reports in an open-access paper in the journal Fuel on the performance and emission characteristics of an 11-liter heavy-duty compression ignition engine which was optimized specifically for DME (dimethyl ether) combustion.

Engine

Engine Emissions Diesel Fuel

Exhaust and aftertreatment on the Achates ULNOx heavy-duty opposed-piston diesel

Green Car Congress

DECEMBER 28, 2020

opposed-piston (OP) heavy-duty diesel engine achieved Ultralow NO x (ULNO x ) performance results. In that mode, Achates was able to reduce NO x below the original target and increase exhaust temperatures further. Post-turbine exhaust gas temperature was between 284 °C and 328 °C everywhere between 25% load and 100% load.

Exhaust

Exhaust Diesel Light Engine

Study suggests particulates from brake dust may have same harmful effects on immune cells as diesel exhaust

Green Car Congress

JANUARY 13, 2020

Metal particles from the abrasion of brake pads (brake abrasion dust, BAD) may cause inflammation and reduce the ability of immune cells to kill bacteria, similarly to particles derived from diesel exhaust particles (DEP), according to a new study led by researchers at King’s College London. It is estimated that only 7% of PM 2.5

Exhaust

Exhaust Diesel London Pollution

Study links exposure to diesel exhaust particles to pneumococcal disease susceptibility

Green Car Congress

JANUARY 26, 2020

Researchers from the University of Liverpool, Queen Mary University, London and Trinity College Dublin have linked exposure to diesel exhaust particles (DEPs) to susceptibility to pneumococcal disease. Many of these fatalities have been linked to exposure to high levels of airborne particulates, such as diesel exhaust particles (DEPs).

Exhaust

Exhaust Diesel Pollution Insight

SwRI CAT-DEF reduces heavy-duty diesel emissions to meet CARB 2027 NOx requirements

Green Car Congress

MAY 6, 2022

CAT-DEF—Catalyzed Diesel Exhaust Fluid—is an SwRI-developed catalyst- and surfactant-modified diesel exhaust fluid (DEF) solution. The internally funded advancement successfully reduced heavy-duty diesel engine nitrogen oxide (NO x ) emissions to meet the California Air Resources Board (CARB) 2027 standards.

Diesel

Diesel Emissions Exhaust Engine

SwRI engineers develop near-zero emissions diesel engine technology; 90% reduction of NOx

Green Car Congress

MAY 27, 2020

Southwest Research Institute engineers have developed the next generation of clean diesel engine technology to reduce hazardous nitrogen oxides (NO x ) and carbon dioxide emissions while minimizing fuel consumption. g/hp-hr NO x emissions). g/hp-hr NO x emissions). The work is described in a pair of SAE Technical Papers.

Engine

Engine Emissions Diesel 2020

A Bamboo Carbon Filter for Diesels Could Reduce Emissions

Cars That Think

FEBRUARY 27, 2024

Diesel cars are a popular choice for those looking to buy a used vehicle in Asia, Europe, and elsewhere. After all, diesel cars cost less to maintain, burn less fuel, and have a longer engine life. Older models don’t even have the emission-control features that newer ones do.

Carbon

Carbon Diesel Emissions Bangladesh

Volkswagen 2.0 TDI diesel for Euro 6d; SCR twin-dosing

Green Car Congress

DECEMBER 15, 2020

TDI diesel for Euro 6d; SCR twin-dosing. Volkswagen continues to refine its most important diesel engine, the 2.0-liter With SCR twin dosing technology in the exhaust gas system, the diesel unit now undercuts the Euro 6d emission standard limits while also running quietly and smoothly, according to the company.

Diesel

Diesel Exhaust Convert Emissions

Japan, China researchers develop plasma-assisted MnO2 filter that produces zero-NO2, -SO2 diesel exhaust

Green Car Congress

MARCH 8, 2019

This research, published in the journal Separation and Purification Technology , shows that ozone can be used to remove not only SO x but also NO x from fossil fuel combustion exhaust streams. In this study, to improve absorption performance of SO 2 and NO 2 , we added ozone in exhaust gas. 2018.12.077. 2018.12.077.

Exhaust

Exhaust Ozone Japan Diesel

Achates near-zero heavy-duty opposed-piston diesel enters fleet service; compliant with 2027 NOx levels

Green Car Congress

APRIL 7, 2022

liter, heavy-duty opposed-piston, three-cylinder diesel engine it developed in a project funded by the California Air Resources Board (CARB) and several partners ( earlier post ) has entered fleet service with WALMART Corporation in a Peterbilt 579 tractor. Achates Power announced that the 10.6-liter, liter engine.

Diesel

Diesel Fleet Peterbilt Eaton

Eaton leverages cylinder deactivation and exhaust thermal management technologies to reduce commercial vehicle emissions

Green Car Congress

DECEMBER 6, 2021

Power management company Eaton’s Vehicle Group has demonstrated cylinder deactivation (CDA) as an effective technology for meeting future global emissions requirements for diesel-engine powered commercial vehicles. New emissions regulations spearheaded by the California Air Resources Board (CARB), U.S.

Eaton

Eaton Emissions Exhaust Commercial

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

Green Car Congress

MAY 8, 2017

IAV has developed a particularly closed-coupled diesel exhaust gas aftertreatment (EAT) system. Future diesel powertrains will need to be capable of meeting limit values that are even tighter than EU6. This way, exhaust gas flows through DOC and SCRF before it enters the turbine. Topology of the variants.

Exhaust

Exhaust Diesel Gas Emissions

UK researchers report that alcohols in windshield washer fluid are major unreported source of VOCs emissions from cars, including EVs

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. Cliff et al. —Cliff et al.

Emissions

Emissions Exhaust Cars Ozone

Research consortium investigating use of DME blends in diesels with minimal retrofitting

Green Car Congress

JUNE 23, 2023

A research consortium led by Ford Research and Innovation Center Aachen is currently investigating the technical conditions under which diesel vehicles can run on dimethyl ether (DME) as an alternative fuel. With dynamic blending, even flex-fuel operation (diesel or DME/diesel) would be possible while retaining the original diesel system.

Diesel

Diesel Alternative Fuels Fuel Gas

Study finds propane school buses significantly decrease NOx emissions compared to diesel

Green Car Congress

AUGUST 5, 2019

According to a study commissioned by the Washington, DC-based Propane Education & Research Council (PERC), NO x emissions measured from propane autogas school buses were substantially lower than those measured from diesel school buses. For the stop-and-go route, NO x emissions were 34 times higher for the diesel school bus.

West Virginia

West Virginia Diesel Emissions Virginia

Vitesco Technologies wins major order for electric heating elements for diesel catalytic converters in 48V MHEVs

Green Car Congress

MARCH 15, 2020

Vitesco Technologies, formerly (until September 2019) the Continental Powertrain Division, has won a major contract from an European vehicle manufacturer for the supply of innovative electric heating elements for diesel catalytic converters. In the extremely slow “Traffic for London” cycle, NO x emissions fell by 62%.

Convert

Convert Diesel Exhaust Gas-Electric

MAN Engines approves off-road engines for use with regenerative diesel/HVO

Green Car Congress

MAY 26, 2023

According to MAN Engines, all MAN off-road engines from the current product portfolio can be operated with regenerative diesel—also known as HVO (hydrogenated vegetable oil)—in accordance with the EN15940 standard in Europe or the US specification ASTM D975. Marine engines for regenerative diesel have already been approved.

Engine

Engine Diesel Exhaust Mariner

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

Study links deterioration of concrete and asphalt to trace quantities of organic matter; diesel exhaust, windshield washer fluids

Green Car Congress

MAY 16, 2021

The scientists showed that there are a number of organic molecules from diverse sources present in modern concrete structures and asphalt pavements: phthalates, diesel exhaust particulates, surfactants, and windshield washer fluids.

Exhaust

Exhaust Diesel Water Maintenance

Building materials recycler switches fleet to Neste renewable diesel

Green Car Congress

DECEMBER 24, 2020

Now, Argent has switched its fleet from petroleum diesel to Neste MY Renewable Diesel. We decided to switch to renewable diesel once our quality and availability concerns were satisfied. We decided to switch to renewable diesel once our quality and availability concerns were satisfied. Our experience has been positive.

Renewable

Renewable Fleet Diesel Building

$9M in Volkswagen mitigation funds available in California for zero-emission Class 8 freight and port drayage trucks

Green Car Congress

AUGUST 8, 2022

Starting August 9, 2022, applications will be accepted in California for replacement of eligible Class 8 trucks with zero-emission technology. This solicitation will remain open until all funding is exhausted. More than 50% of the total project funds are expected to benefit disadvantaged or low-income communities.

California

California Emissions Available Exhaust

Mercedes-Benz Trucks launching 3rd generation of OM 471 heavy-duty diesel

Green Car Congress

APRIL 8, 2022

Mercedes-Benz Trucks is introducing the third generation of its OM 471 heavy-duty diesel engine this year; the engine will deliver increased fuel efficiency and compliance with the strictest emissions standards such as Euro VIe. Newly-developed exhaust gas aftertreatment system. PowerShift Advanced and Top Torque.

Mercedes

Mercedes Diesel Oil Exhaust

ARB study compares in-use NOx emissions from diesel, hydraulic hybrid diesel and LNG refuse trucks

Green Car Congress

JUNE 12, 2017

A team from the California Air Resources Board (ARB), in partnership with the City of Sacramento, has characterized the in-use emissions from model year (MY) 2010 or newer diesel, liquefied natural gas (LNG) and hydraulic hybrid diesel engines during real-world refuse truck operation. Diesel 1, which was certified at 0.18

Diesel

Diesel Emissions Hybrid Exhaust

SwRI engineers help develop post-refinery diesel treatment that overcomes soot/NOx tradeoff for cleaner burning fuel

Green Car Congress

OCTOBER 11, 2021

Southwest Research Institute (SwRI) is helping a client develop a simple post-refinery treatment process that reduces exhaust emissions from diesel engines by overcoming the soot/nitrogen oxides (NO x ) reduction trade-off that has plagued engine researchers for decades.

Cleaner

Cleaner Diesel Engine Fuel

Study suggests some filtering of particulates from diesel exhaust may worsen allergy-induced lung impairment due to increase in NO2

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.

Exhaust

Exhaust Diesel Pollution Canada

U Birmingham study finds DPFs have limited impact on ultrafine particle emissions

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.

Emissions

Emissions Diesel London Environment

WHO IARC classifies diesel exhaust as carcinogenic to humans (Group 1)

Green Car Congress

JUNE 13, 2012

After a week-long meeting of an expert working group, 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), based on sufficient evidence that exposure is associated with an increased risk for lung cancer.

Exhaust

Exhaust Diesel Standards Emissions

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

Green Car Congress

NOVEMBER 28, 2013

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). Diesel Emissions Health' Earlier post.). China, India, Brazil) following with a delay of about 5 to 10 years.

Exhaust

Exhaust Diesel Brazil 2000

Study: curbing diesel emissions could reduce mortality rates in big cities

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.

Emissions

Emissions Diesel Ozone United States

Eaton and Tenneco partner to produce new, integrated exhaust thermal management system to meet coming lower NOx standards

Green Car Congress

MARCH 29, 2021

Power management company Eaton and Tenneco announced a joint development agreement between Eaton’s Vehicle Group and Tenneco’s Clean Air business group to produce an integrated exhaust thermal management system that will enable commercial truck and light vehicle manufacturers to meet upcoming emissions regulations.

Eaton

Eaton Exhaust Standards Emissions

Study links ambient PM2.5 and ozone specifically caused by vehicle exhaust emissions to ~361,000 premature deaths worldwide in 2010 and ~385,000 in 2015

Green Car Congress

MARCH 1, 2019

A new study provides the most detailed picture available to date of the global, regional, and local health impacts attributable to emissions from four transportation subsectors: on-road diesel vehicles; other on-road vehicles; shipping; and non-road mobile engines such as agricultural and construction equipment. of global ambient PM 2.5

Ozone

Ozone 2015 2010 Exhaust

EPA grants waivers for California’s on-highway heavy-duty vehicle and engine emission standards

Green Car Congress

APRIL 1, 2023

The US Environmental Protection Agency (EPA) is granting two waivers of preemption regarding four California Air Resource Board (CARB) regulations related to California’s heavy-duty vehicle and engine emission standards. In this instance, CARB requested two waivers for regulations relating to heavy duty vehicles and engines.

EPA

EPA Grant Standards Emissions

Tula presenting diesel Dynamic Skip Fire technology at Future Diesel Powertrain Summit in Shanghai

Green Car Congress

SEPTEMBER 23, 2020

Tula Technology is presenting its diesel Dynamic Skip Fire (dDSF) technology ( earlier post ) at the 4 th Future Diesel Powertrain Summit China 2020 on 24-25 September 2020 in Shanghai, China. Cylinder deactivation also reduces excess engine airflow, increasing exhaust temperatures. dDSF Simulation Project.

Diesel

Diesel Future Fuel Economy China

EPFL team develops on-board system to capture CO2 from trucks; reducing emissions by 90%

Green Car Congress

DECEMBER 26, 2019

Researchers at EPFL have patented a new concept that could cut trucks’ CO 2 emissions by almost 90%. The EPFL system captures CO 2 directly in the trucks’ exhaust system and liquefies it in a box on the vehicle’s roof. First, the vehicle’s flue gases in the exhaust pipe are cooled down and the water is separated from the gases.

Emissions

Emissions CO2 Exhaust Carbon

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

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. McGilvery, Sheng Hu, Milo SP. Shaffer, Sara J.

Exhaust

Exhaust Diesel Pollution Guinea

Mercedes begins sales of new 6-cylinder GLE diesel; first SUV in its class to meet Euro 6d

Green Car Congress

DECEMBER 20, 2018

Mercedes-Benz has begun sales of two diesel models of the new GLE SUV which already comply with the coming Euro 6d emissions standard. The OM 656 six-cylinder diesel engine comes with 243 kW (330 hp) and 700 N·m of torque in the GLE 400 d 4MATIC (combined fuel consumption: 7.5-7.0

Diesel

Diesel Mercedes SUV Exhaust

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

Green Car Congress

MAY 2, 2016

Regulatory regimes seeking to reduce emissions from transport have largely focused on tailpipe emissions—i.e., the criteria pollutants and CO 2 that emerge with the exhaust from the tailpipe. Non-exhaust PM factors include tire wear, brake wear, road surface wear and resuspension of road dust. earlier post ). Background.

Exhaust

Exhaust Emissions Belgium Gasoline-Electric

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

Green Car Congress

MAY 27, 2012

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. Total particle mass (TPM) was reduced by 50% with the DOC in common diesel fuel and by 30% in the other fuels.

Exhaust

Exhaust Diesel Gas Emissions

Cummins & Tula demonstrate Diesel Dynamic Skip Fire (dDSF) cylinder deactivation; up to 66% reduction in NOx on CARB LLC #7

Green Car Congress

APRIL 23, 2020

developer of Dynamic Skip Fire cylinder deactivation technology ( earlier post ), collaborated on a significant technical demonstration of diesel Dynamic Skip Fire (dDSF) cylinder deactivation. Cummins’ X15 Efficiency Series 6-cylinder diesel engine enhanced with Tula’s diesel Dynamic Skip Fire (dDSF). Cummins Inc.

Diesel

Diesel Emissions Exhaust Engine

Mercedes-Benz OM 654q 4-cylinder diesel complies with Stage 2 RDE, certified to Euro 6d

Green Car Congress

JUNE 17, 2019

The Mercedes-Benz OM 654q four-cylinder diesel from the modern OM 654 engine family already complies with the Stage 2 RDE (Real Driving Emissions) standard which does not come into force until 2020, and is certified to Euro 6d. NO x emissions demonstrator. Country road with climb to the Swabian Alb. Full acceleration.

Mercedes

Mercedes Diesel Exhaust Emissions

Up to $20M now available in California through VW Zero-Emission Freight and Marine (ZEFM) program

Green Car Congress

AUGUST 23, 2023

Up to $20 million funding is now available in California through the VW Zero-Emission Freight and Marine (ZEFM) program. Applications are being accepted and reviewed on a first-come, first-served basis until funding is exhausted.

Mariner

Mariner California Available Emissions

Truckers’ Health & the Rise of Zero-Emission Trucks

CleanTechnica EVs

AUGUST 19, 2023

Truck drivers face a hidden health crisis due to diesel exhaust emissions. Zero-emission trucks can safeguard drivers’ well-being while bringing positive changes to the industry and the planet.

Emissions

Emissions Exhaust Diesel Industrial

BMW adamantly denies reports about diesel emission systems collusion and manipulation

Green Car Congress

JULY 23, 2017

On Sunday, the BMW Group issued a strong rejection of German media reports charging that the company had colluded with Volkswagen, Audi, Porsche and Daimler on the design and pricing of diesel exhaust systems and that its diesel emission systems did not function properly.

BMW

BMW Diesel Emissions Exhaust

New Emissions Analytics study suggests pollution from tire wear now 1,850 times worse than exhaust emissions

Optimized heavy-duty CI engine fueled with DME delivers diesel performance, significantly reduces engine-out emissions

Exhaust and aftertreatment on the Achates ULNOx heavy-duty opposed-piston diesel

Study suggests particulates from brake dust may have same harmful effects on immune cells as diesel exhaust

Study links exposure to diesel exhaust particles to pneumococcal disease susceptibility

SwRI CAT-DEF reduces heavy-duty diesel emissions to meet CARB 2027 NOx requirements

SwRI engineers develop near-zero emissions diesel engine technology; 90% reduction of NOx

A Bamboo Carbon Filter for Diesels Could Reduce Emissions

Volkswagen 2.0 TDI diesel for Euro 6d; SCR twin-dosing

Japan, China researchers develop plasma-assisted MnO2 filter that produces zero-NO2, -SO2 diesel exhaust

Achates near-zero heavy-duty opposed-piston diesel enters fleet service; compliant with 2027 NOx levels

Eaton leverages cylinder deactivation and exhaust thermal management technologies to reduce commercial vehicle emissions

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

UK researchers report that alcohols in windshield washer fluid are major unreported source of VOCs emissions from cars, including EVs

Research consortium investigating use of DME blends in diesels with minimal retrofitting

Study finds propane school buses significantly decrease NOx emissions compared to diesel

Vitesco Technologies wins major order for electric heating elements for diesel catalytic converters in 48V MHEVs

MAN Engines approves off-road engines for use with regenerative diesel/HVO

HEI launches two new non-tailpipe particulate emission studies

Study links deterioration of concrete and asphalt to trace quantities of organic matter; diesel exhaust, windshield washer fluids

Building materials recycler switches fleet to Neste renewable diesel

$9M in Volkswagen mitigation funds available in California for zero-emission Class 8 freight and port drayage trucks

Mercedes-Benz Trucks launching 3rd generation of OM 471 heavy-duty diesel

ARB study compares in-use NOx emissions from diesel, hydraulic hybrid diesel and LNG refuse trucks

SwRI engineers help develop post-refinery diesel treatment that overcomes soot/NOx tradeoff for cleaner burning fuel

Study suggests some filtering of particulates from diesel exhaust may worsen allergy-induced lung impairment due to increase in NO2

U Birmingham study finds DPFs have limited impact on ultrafine particle emissions

WHO IARC classifies diesel exhaust as carcinogenic to humans (Group 1)

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

Study: curbing diesel emissions could reduce mortality rates in big cities

Eaton and Tenneco partner to produce new, integrated exhaust thermal management system to meet coming lower NOx standards

Study links ambient PM2.5 and ozone specifically caused by vehicle exhaust emissions to ~361,000 premature deaths worldwide in 2010 and ~385,000 in 2015

EPA grants waivers for California’s on-highway heavy-duty vehicle and engine emission standards

Tula presenting diesel Dynamic Skip Fire technology at Future Diesel Powertrain Summit in Shanghai

EPFL team develops on-board system to capture CO2 from trucks; reducing emissions by 90%

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

Mercedes begins sales of new 6-cylinder GLE diesel; first SUV in its class to meet Euro 6d

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

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

Cummins & Tula demonstrate Diesel Dynamic Skip Fire (dDSF) cylinder deactivation; up to 66% reduction in NOx on CARB LLC #7

Mercedes-Benz OM 654q 4-cylinder diesel complies with Stage 2 RDE, certified to Euro 6d

Up to $20M now available in California through VW Zero-Emission Freight and Marine (ZEFM) program

Truckers’ Health & the Rise of Zero-Emission Trucks

BMW adamantly denies reports about diesel emission systems collusion and manipulation

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