Diesel, Exhaust and Universal

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.

Exhaust

Exhaust Ozone Japan Diesel

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

Green Car Congress

MAY 16, 2021

A team of scientists from six institutions, including Akihiro Moriyoshi, Emeritus Professor Hokkaido University, have found that the presence of Trace Quantities of Organic Matter (TQOM) in modern concrete structures and asphalt pavements drive the deterioration of these structures.

Exhaust

Exhaust Diesel Water Maintenance

ClearFlame Engine Technologies partners with Alto Ingredients to demo ethanol-fueled MCCI in heavy-duty diesels; high efficiency, low emissions

Green Car Congress

MAY 18, 2021

Startup ClearFlame Engine Technologies announced a partnership with Alto Ingredients, a leading producer of specialty alcohols and essential ingredients, to conduct pilot demonstrations of ClearFlame’s solution for diesel engines using low-cost ethanol in Class 8 trucks. In fact, it increases power by 25%.

Diesel

Diesel Emissions Engine Fuel

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

Green Car Congress

JANUARY 19, 2014

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. The exhaust sample was taken from the exhaust manifold.

Exhaust

Exhaust Engine Fuel Greece

New mixed-oxide catalysts shown as viable substitute for platinum catalysts for diesel exhaust aftertreatment

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.

Exhaust

Exhaust Diesel Dallas Conversion

Auburn University leads $2M DOE Co-Optima project to evaluate renewable butyl acetate as diesel fuel additive

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.

Universal

Universal Diesel Renewable Fuel

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

Green Car Congress

JANUARY 15, 2012

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

Exhaust

Exhaust Diesel West Virginia 2007

New split-cycle concept to control diesel HCCI combustion

Green Car Congress

OCTOBER 25, 2010

A team from Universita degli Studi di Pisa (Italy) and Rolf Reitz at the University of Wisconsin-Madison are proposing a novel combustion concept—Homogenous Charge Progressive Combustion (HCPC)—based on a split-cycle principle to control HCCI combustion in diesel-fueled engines. —Musu et al. Tamagna, D., Gentili, R.

Concept

Concept Diesel San Diego 2010

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

Texas A&M study finds increase in cylinder-to-cylinder variation in diesel transitioning to low-temperature combustion mode

Green Car Congress

JUNE 25, 2013

A study by a team at Texas A&M University found that cylinder-to-cylinder variation in a multi-cylinder diesel engine increased substantially when transitioning to a low-temperature combustion (LTC) mode. LTC regimes are seen as a promising low-emissions, fuel-efficient alternatives to conventional diesel combustion.

Texas

Texas Diesel Exhaust Emissions

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

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. Maher, Ian S.

Exhaust

Exhaust Diesel Pollution Guinea

Study finds biodiesel from algae, yeast and bacteria can displace both petroleum diesel and soybean biodiesel

Green Car Congress

NOVEMBER 23, 2012

Diesel engine torque output as a function of the engine speed (rpm) for the tested fuels. Each fuel was then used to operate a two-cylinder indirect injection diesel engine attached to an eddy current dynamometer. In engine testing, diesel #2 delivered the highest power output (8.5 of the value obtained for diesel #2.

Diesel

Diesel Oil Fuel Exhaust

Study finds total greenhouse gas footprint of blue hydrogen “quite high” due to fugitive methane

Green Car Congress

AUGUST 13, 2021

However, a new lifecycle study by a team from Stanford University and Cornell University has concluded that total greenhouse gas emissions from the production of blue hydrogen are quite high, particularly due to the release of fugitive methane.

Hydrogen

Hydrogen Gas Coal Exhaust

Risø DTU Developing Electrochemical Method for Diesel Exhaust Treatment

Green Car Congress

JANUARY 30, 2009

Risø, the National Laboratory for Sustainable Energy at the Technical University of Denmark (DTU), is developing an electrochemical method for purifying exhaust, especially exhaust gases from diesel engines. liter diesel engine at Dinex Emission Technology A/S. The electrolyte can conduct ions, but not electrons.

Exhaust

Exhaust Diesel Denmark Gas-Electric

Empa and partners exploring DME as fuel with new heavy-duty test engine

Green Car Congress

NOVEMBER 30, 2020

The diesel engine on the Empa test facility was tuned to DME. In contrast to diesel, the highly volatile DME has almost no lubricating qualities, which can quickly destroy the high-pressure pump of a common rail injection system. An electrically driven compressor for precise exhaust gas recirculation is also used. Image: Empa.

Engine

Engine Fuel Exhaust Gas-Electric

ETI, Loughborough University, Johnson Matthey & Caterpillar launch £4.5M project to improve effectiveness of SCR aftertreatment systems for heavy-duty vehicles

Green Car Congress

JANUARY 15, 2013

The UK public-private partnership Energy Technologies Institute (ETI), Loughborough University, Johnson Matthey and Caterpillar have launched a new £4.5-million The project aims to help HDV fuel efficiency by developing a more efficient exhaust aftertreatment system. —Loughborough University Professor Graham Hargrave.

Universal

Universal Exhaust Mariner Vehicles

Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

Green Car Congress

JUNE 23, 2014

The approach that Cummins and partners have taken features: Replacing the aluminium V8 gasoline engine and emission control system with smaller diesel (2.8-liter) diesel weighs 362 lbs (164 kg), while the ECS weighs 152 lbs (69 kg). Exhaust system configuration. Diesel Emissions Engines Fuel Efficiency' Earlier post.).

Fuel Economy

Fuel Economy Economy Gasoline Downsizing

UK consortium developing biogas and hydrogen dual-fuel Class 66 locomotive

Green Car Congress

JULY 4, 2021

The Freightliner Class 66 locomotives are 3300hp diesel electric mainline units introduced in 1998. The project is also supported by Network Rail, Tarmac, Rail Safety Standards Board (RSSB), Flogas, Carrickarory and the University of Birmingham. Maximum speed is 75 mph.

Hydrogen

Hydrogen Fuel Clean Cleaning

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

Green Car Congress

FEBRUARY 9, 2012

A team from National Tsing Hua University, Taiwan, reports that a low-temperature solid oxide fuel cell (SOFC) emissions control system for lean-burn engines can simultaneously reduce the high concentrations of NO x and oxidize hydrocarbon (HC) emissions. Concept of the SOFC emissions control system. Credit: ACS, Huang et al.

Exhaust

Exhaust Engine Emissions Gas-Electric

Researchers Exploring On-Board Exhaust Gas Reforming to Improve Combustion and Recover Waste Heat

Green Car Congress

OCTOBER 15, 2010

Professor Stan Golunski, Deputy Director of the newly established Cardiff Catalysis Institute , in collaboration with engineers at Brunel and Birmingham Universities, is investigating the feasibility of an on-board exhaust gas reforming system to improve combustion and recover waste heat. Energy Environ. doi: 10.1039/b927199f.

Exhaust

Exhaust Waste Gas 2006

Universities of Birmingham and Warwick launch new fuels lab

Green Car Congress

APRIL 2, 2011

The UK Universities of Birmingham and Warwick launched a new lab to support investigations into the dynamic aspects of combustion of alternative fuels, as well as gasoline and diesel, with the aim of reducing harmful vehicle exhaust emissions, particularly greenhouse gasses.

Universal

Universal Fuel Land Rover Alternative Fuels

Study investigates impact of operating conditions and load on soot particle number distribution for diesel and biodiesel

Green Car Congress

JULY 27, 2013

Among the findings they reported in their paper in the journal Fuel was that under most of the engine operating conditions examined, RME emitted lower soot particle concentration than diesel under both nucleation and accumulation modes. Diesel engines are widely used owing to their high thermal efficiency and low fuel consumption.

Diesel

Diesel Exhaust Engine Emissions

Acetylene as dual fuel with diesel

Green Car Congress

APRIL 30, 2011

Researchers from the College of Engineering at Anna University (India) are proposing the use of acetylene as a dual fuel with diesel in compression ignition engines. In order to decrease the NO x emissions from acetylene–diesel engine, cooled EGR was employed. C 8 –C 20. ms) duration, operating in dual fuel mode.

Diesel

Diesel Fuel Jordan 2009

MHI Develops Hybrid Turbocharger to Generate Electricity Utilizing Exhaust Gas from Marine Engines

Green Car Congress

AUGUST 26, 2010

MHI) has developed a generator-integrated hybrid turbocharger for marine propulsion diesel engines which utilizes engine exhaust gas not only to drive the turbocharger but also to generate electricity. Mitsubishi Heavy Industries, Ltd. Cutaway view of MET83MAG hybrid turbocharger. Click to enlarge.

Exhaust

Exhaust Mariner Gas-Electric Gas

University of Wisconsin Researchers Investigating Dual-Fuel (Gasoline and Diesel) Partially Premixed Combustion for High-Efficiency, Ultra-Low Emission Combustion; 53% Thermal Efficiency

Green Car Congress

AUGUST 3, 2009

Researchers at the University of Wisconsin, led by Dr. Rolf Reitz, are investigating a blended dual-fuel (gasoline and diesel) concept to extend the operating range of partially premixed charge compression ignition combustion by using the varying fuel reactivity of the charge blend, which is determined in real time. Click to enlarge.

Wisconsin

Wisconsin Gasoline Diesel Universal

Amminex introduces hardware retrofit for NOx control on older diesel cars; surpassing Euro 6

Green Car Congress

AUGUST 30, 2017

Amminex is introducing BlueFit: a hardware retrofit solution aimed at lowering NO x emissions on older diesel cars to meet and surpass the latest Euro 6 standard. The ASDS is installed in the spare wheel well and the SCR catalyst is fitted to the exhaust pipe under the car. liter engine (Euro 5) was retrofitted with BlueFit.

Diesel

Diesel Cars Austria Emissions

Daimler receives Porsche Prize for diesel aftertreatment system in OM 654

Green Car Congress

MAY 22, 2017

The Professor Ferdinand Porsche Prize was awarded by Vienna University of Technology to Anke Kleinschmit, Head of Corporate Research & Sustainability and Environmental Officer for Daimler AG, for the development of the innovative exhaust gas aftertreatment system in the new OM 654 four-cylinder diesel engine ( earlier post ).

Porsche

Porsche Diesel Exhaust Emissions

Study shows significant reductions in real-world heavy-duty diesel emissions from 2010 regulations

Green Car Congress

APRIL 17, 2012

New research from North Carolina State University found that federal requirements governing diesel engines of MY 2010 tractor trailer trucks have resulted in major cuts in real world emissions of particulate matter (PM) and nitrogen oxides (NO x ). grams of PM per gallon of fuel used. The PM emissions were 95% lower.

2010

2010 North Carolina Diesel Emissions

ClearFlame Engine Technologies secures $17M in Series A financing

Green Car Congress

OCTOBER 29, 2021

The company’s engine technology enables low-carbon, renewable fuels such as ethanol to be integrated easily into existing diesel engine platforms, offering a lower-emission, lower-cost solution than diesel fuel. ClearFlame uses soot-free “Clear” Exhaust Gas Recirculation (EGR) to maintain this ratio under varying load conditions.

Financing

Financing Engine Iowa Diesel

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

Green Car Congress

JANUARY 9, 2015

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. Diesel Emissions Health'

Exhaust

Exhaust Diesel Pollution Canada

China Yuchai International introduces prototype Euro VI-compliant diesel engine

Green Car Congress

JULY 4, 2011

China Yuchai International Limited announced that its main operating subsidiary, Guangxi Yuchai Machinery Company Limited (GYMCL), recently introduced China’s first prototype diesel engine—based on its 8.4-liter liter YC6L platform—compliant with Euro VI emission standards. The report shows NO x emissions of 307.3

International

International Diesel China Engine

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.

Emissions

Emissions Exhaust Cars Ozone

2nd Law analysis of LTC diesel engine

Green Car Congress

FEBRUARY 5, 2012

Jerald Caton and PhD candidate Junnian Zheng of Texas A&M University report on their use of an engine cycle simulation to evaluate the energy and exergy distribution of various processes in a low temperature combustion (LTC) diesel engine in a paper published in the journal Energy. Junnian Zheng, Jerald A. 2011.12.034.

Diesel

Diesel Engine Exhaust Texas

Tsinghua study compares two diesel-gasoline combustion modes; both deliver high efficiencies and low emissions

Green Car Congress

MARCH 18, 2013

Researchers at Tsinghua University have compared the combustion and emissions characteristics of two dual-fuel (diesel-gasoline) modes intended to integrate the advantages of both fuels to achieve high thermal efficiency and low emission targets. A paper on their results is published in the journal Fuel. RCCI, earlier post.)

Gasoline

Gasoline Diesel Emissions Fuel

DLR team develops demonstrator of free-piston linear generator as range extender for EVs; technology transfer to Universal Motor Corp.

Green Car Congress

FEBRUARY 20, 2013

As one example, GM Global Technology Operations LLC and the Regents of the University of Michigan recently were recently awarded a US patent (Nº 8,261,860) for a plug-in series hybrid or range-extended electric vehicle powertrain using multiple free piston linear alternator (FPLA) engines. Intake, exhaust and fuel injection.

Universal

Universal Range Motors Motor

Limitations on diesel-ignited propane duel fuel combustion in heavy-duty diesel engine

Green Car Congress

MAY 16, 2014

A team at Mississippi State University performed a detailed experimental analysis of diesel–ignited propane dual fuel combustion on a 12.9-liter, liter, six-cylinder, production heavy-duty diesel engine. The gaseous propane was fumigated upstream of the turbocharger air inlet and ignited using direct injection of diesel sprays.

Diesel

Diesel Engine Chad Fuel

Reduction in diesel carbonyl emissions using F-T fuel from coal

Green Car Congress

MAY 29, 2014

Other research has shown that carbonyls directly influence physiological response to diesel exhaust particles and can also contribute to secondary organic aerosol formation. Kleeman (2008) “Carbonyl Emissions from Gasoline and Diesel Motor Vehicles,”. Jakober, 2008). 133:115–122, doi: 10.1016/j.fuel.2014.05.025. 2014.05.025.

Coal

Coal Diesel Emissions Fuel

Comparative study finds that B20 increases emission rates of a number of pollutants in both light- and medium-duty diesel engines at idle

Green Car Congress

OCTOBER 20, 2012

A new study led by researchers at the University of Michigan compared regulated and unregulated emissions from both light-duty passenger car (1.7 L) diesel engines at idle and load, using a biodiesel blend (B20) and conventional ultralow sulfur diesel (ULSD) fuel. Credit: ACS, Chin et al. Click to enlarge.

Pollution

Pollution Diesel Emissions Engine

Use of Supercritical Diesel Fuel for Improved Efficiency and Reduced Emissions

Green Car Congress

AUGUST 4, 2009

An experimental P-T diagram mapping the liquid, liquid-vapor, and SC regions for diesel fuel-CO 2 mixtures with different compositions and densities (numbers in red and black, respectively). Researchers at Syracuse University (New York) have developed a method to prepare, inject and combust supercritical (SC) diesel fuel.

Diesel

Diesel Fuel Emissions 2009

Michigan State University Receives $2.5M ARPA-E Award to Build Wave Disc Engine/Generator for Series Hybrid Applications

Green Car Congress

OCTOBER 31, 2009

Researchers from Michigan State University have been awarded $2.5 In 1986, Mazda introduced the Mazda 626 Cappela model, which had a 2-liter diesel engine equipped with a Comprex wave rotor (from BBC) used as a supercharger. Mazda produced 150,000 Comprex diesel cars. Source: MSU. Click to enlarge.

Michigan

Michigan Engine Universal Hybrid

EPA Awards $5.6M to Spur New Clean Diesel Technologies

Green Car Congress

JULY 22, 2010

million for emerging technologies projects as part of a summer-long roll-out of $120 million in clean diesel grants. The awards will provide opportunities to advance new technologies in the marketplace, and support both environmental innovation and green jobs to reduce diesel emissions. Diesel engines emit approximately 7.3

EPA

EPA Clean Cleaning Diesel

York, Empa study finds retrofitting of VW diesel engines was successful

Green Car Congress

MAY 21, 2020

The VW diesel scandal began on 18 September 2015. On the opening day of the Frankfurt International Motor Show (IAA), the US Environmental Protection Agency (EPA) published a Notice of Violation: VW diesel engines with 1.6 liter diesel the emissions were even 53% worse. liter diesel the emissions were even 53% worse.

Diesel

Diesel Engine Exhaust Emissions

New combustion system for ethanol/octanol dual fuel combination reduces soot, increases efficiency

Green Car Congress

APRIL 3, 2023

A team at RWTH Aachen University in Germany has proposed a Molecularly-Controlled high swirl Combustion system (MCC) which involves dual direct injection of a low- and a high-reactivity fuel in combination with lean relative air-fuel-ratios, high compression ratio, and compression ignition. —Honecker et al.

Fuel

Fuel Diesel Exhaust Emissions

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

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

ClearFlame Engine Technologies partners with Alto Ingredients to demo ethanol-fueled MCCI in heavy-duty diesels; high efficiency, low emissions

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

New mixed-oxide catalysts shown as viable substitute for platinum catalysts for diesel exhaust aftertreatment

Auburn University leads $2M DOE Co-Optima project to evaluate renewable butyl acetate as diesel fuel additive

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

New split-cycle concept to control diesel HCCI combustion

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

Texas A&M study finds increase in cylinder-to-cylinder variation in diesel transitioning to low-temperature combustion mode

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

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

Study finds biodiesel from algae, yeast and bacteria can displace both petroleum diesel and soybean biodiesel

Study finds total greenhouse gas footprint of blue hydrogen “quite high” due to fugitive methane

Risø DTU Developing Electrochemical Method for Diesel Exhaust Treatment

Empa and partners exploring DME as fuel with new heavy-duty test engine

ETI, Loughborough University, Johnson Matthey & Caterpillar launch £4.5M project to improve effectiveness of SCR aftertreatment systems for heavy-duty vehicles

Cummins progressing with lightweight downsized T2B2 diesel for pickup; 40% improvement in fuel economy over gasoline V8

UK consortium developing biogas and hydrogen dual-fuel Class 66 locomotive

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

Researchers Exploring On-Board Exhaust Gas Reforming to Improve Combustion and Recover Waste Heat

Universities of Birmingham and Warwick launch new fuels lab

Study investigates impact of operating conditions and load on soot particle number distribution for diesel and biodiesel

Acetylene as dual fuel with diesel

MHI Develops Hybrid Turbocharger to Generate Electricity Utilizing Exhaust Gas from Marine Engines

University of Wisconsin Researchers Investigating Dual-Fuel (Gasoline and Diesel) Partially Premixed Combustion for High-Efficiency, Ultra-Low Emission Combustion; 53% Thermal Efficiency

Amminex introduces hardware retrofit for NOx control on older diesel cars; surpassing Euro 6

Daimler receives Porsche Prize for diesel aftertreatment system in OM 654

Study shows significant reductions in real-world heavy-duty diesel emissions from 2010 regulations

ClearFlame Engine Technologies secures $17M in Series A financing

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

China Yuchai International introduces prototype Euro VI-compliant diesel engine

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

2nd Law analysis of LTC diesel engine

Tsinghua study compares two diesel-gasoline combustion modes; both deliver high efficiencies and low emissions

DLR team develops demonstrator of free-piston linear generator as range extender for EVs; technology transfer to Universal Motor Corp.

Limitations on diesel-ignited propane duel fuel combustion in heavy-duty diesel engine

Reduction in diesel carbonyl emissions using F-T fuel from coal

Comparative study finds that B20 increases emission rates of a number of pollutants in both light- and medium-duty diesel engines at idle

Use of Supercritical Diesel Fuel for Improved Efficiency and Reduced Emissions

Michigan State University Receives $2.5M ARPA-E Award to Build Wave Disc Engine/Generator for Series Hybrid Applications

EPA Awards $5.6M to Spur New Clean Diesel Technologies

York, Empa study finds retrofitting of VW diesel engines was successful

New combustion system for ethanol/octanol dual fuel combination reduces soot, increases efficiency

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