Diesel, Emissions, Engine and Exhaust

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

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).

Engine

Engine Emissions Diesel 2020

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

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.

Engine

Engine Diesel Exhaust Mariner

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. A key element of the achievement is the low engine-out NO x from the opposed-piston engine, which reduced the requirements for the aftertreatment system (ATS). Earlier post.)

Exhaust

Exhaust Diesel Light Engine

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

MAN D3876 engine ensures high thrust and future-proofing in PistenBully 800; engine basis for possible H2 variant

Green Car Congress

APRIL 19, 2023

MAN Engines is now equipping the PistenBully 800 from Kässbohrer Geländefahrzeug AG with its MAN D3876 engine. The basis for the delivery of the in-line six-cylinder engine was the further development and adaptation of the MAN D3876 to the extreme working environment of the new high-performance snow groomer from Laupheim.

Engine

Engine Future Exhaust Diesel

WinGD and HSD Engine collaborate to deliver methanol-fueled two-stroke engines

Green Car Congress

SEPTEMBER 5, 2022

Swiss marine power company WinGD and Korean engine builder HSD Engine have initiated a Joint Development Project (JDP) to advance the development of WinGD’s methanol-fueled big-bore engines. Under the JDP, WinGD will oversee combustion and injection research, exhaust aftertreatment requirements and engine concept design.

Engine

Engine Fuel Mariner 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. liter engine. Achates Power announced that the 10.6-liter,

Diesel

Diesel Fleet Peterbilt Eaton

MAN Engines puts first dual-fuel hydrogen-powered engines for workboats into operation

Green Car Congress

JUNE 17, 2022

MAN Engines recently put its first two dual-fuel hydrogen-powered engines for work boats into serial operation. The engines are twelve-cylinder diesel engines of type MAN D2862 LE448, each with an output of 749 kW (1019 hp) at 2100 rpm. —Werner Kübler, Head of Development at MAN Engines.

Engine

Engine Hydrogen Fuel Power

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

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

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

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

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

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

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. IAV’s developers moved the EAT system closer to the engine—specifically, the turbocharger and EAT swap places.

Exhaust

Exhaust Diesel Gas Emissions

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

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. Warm side (top) and cold side (bottom) of OM 471 engine.

Mercedes

Mercedes Diesel Oil Exhaust

ClearFlame Engine Technologies secures $17M in Series A financing

Green Car Congress

OCTOBER 29, 2021

ClearFlame Engine Technologies , a startup developing net-zero engine technology ( earlier post ), has secured $17 million in Series A financing, which will enable commercialization of the company’s innovative engine technology for the long-haul trucking, agriculture and power generation sectors.

Financing

Financing Engine Iowa Minnesota

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

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

Rolls-Royce supplying two mtu gas engines for first LNG-hybrid tugboat

Green Car Congress

JANUARY 19, 2021

Rolls-Royce is supplying two mtu 16V 4000 M55RN gas engines to Sembcorp Marine Integrated Yard for the construction of the first liquefied natural gas (LNG)-hybrid powered tug. This is the first LNG-hybrid tug to be powered by mtu gas engines. The new engines are part of Rolls-Royce’s Green and High-Tech program.

Gas

Gas Engine Hybrid Supplies

ClearFlame Engine Technologies completes on-road demo of Class 8 truck with Cummins X15 running E98 ethanol

Green Car Congress

FEBRUARY 10, 2022

ClearFlame Engine Technologies, a a startup developing net-zero engine technology ( earlier post ), successfully completed an on-road demonstration of its proprietary technology that enables a heavy-duty truck diesel engine to operate on low-carbon and carbon-negative fuels, including 100% renewable plant-based fuels.

Engine

Engine Diesel Exhaust Fuel

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

Green Car Congress

NOVEMBER 30, 2020

Empa, together with FPT Motorenforschung AG Arbon, Politechnico di Milano, lubricant manufacturer Motorex and other partners, is exporing the use of DME as a fuel for heavy-duty engines. A DME test engine has been in operation on a dynamometer in Empa’s Automotive Powertrains Technologies Laboratory. —Patrik Soltic.

Engine

Engine Fuel Exhaust Gas-Electric

WinGD and HHI-EMD extend collaboration to develop sustainable two-stroke engine technology

Green Car Congress

NOVEMBER 6, 2021

Marine engine designer and power system integrator WinGD and engine builder Hyundai Heavy Industries’ Engine Machinery Division (HHI-EMD) will strengthen their collaboration by partnering to develop environmentally sustainable two-stroke engine technology. Up to 5g/kWh fuel consumption reduction in diesel mode.

Engine

Engine Exhaust Gas Mariner

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

HyMethShip seeks to fuel ship engines with hydrogen from methanol

Green Car Congress

JULY 2, 2022

The EU-funded HyMethShip project developed a system that innovatively combined a membrane reactor, a CO 2 capture system, a storage system for CO 2 and methanol as well as a hydrogen-fueled combustion engine to power ships. The bottom part shows how hydrogen for the engine is obtained from methanol in the reactor (blue arrow).

Hydrogen

Hydrogen Engine Fuel Carbon

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 liters displacement (type code EA 189) contained illegal software designed to manipulate emissions.

Diesel

Diesel Engine Exhaust Emissions

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 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 starting point of engine braking is marked by a vertical green line, and the end point is marked by a vertical red line.

Exhaust

Exhaust Engine Fuel Greece

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

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. —Misra et al. gNO x /bhp-hr.

Diesel

Diesel Emissions Hybrid Exhaust

First MAN ME-GA Otto-cycle engine completes gas trials

Green Car Congress

JULY 17, 2023

MAN Energy Solutions announced that the first ME-GA engine has completed gas trials aboard an LNG carrier built by Hyundai Samho Heavy Industries (HSHI) for Norwegian shipping company, Knutsen OAS Shipping. The new engine is an Otto-cycle variant of the company’s successful ME-GI engine. —Thomas S.

Gas

Gas Engine Concept Exhaust

ClearFlame Engine Technologies hits multiple manufacturing, customer pilot, and fueling milestones

Green Car Congress

SEPTEMBER 21, 2022

ClearFlame Engine Technologies, a company developing net-zero engine technology ( earlier post ), has hit a number of key milestones through multiple partnerships with customers, manufacturers, and fuel providers. Reviva has been providing quality remanufactured engines and engine components for more than 70 years.

Engine

Engine Manufacturer Fuel Indiana

Mercedes-Benz Vito gets OM 654 four-cylinder diesel engine

Green Car Congress

MARCH 4, 2019

Mercedes-Benz is expanding Vito van range with enhancements including new high-torque four-cylinder diesel engines for the Vito Tourer with passenger car approval. In comparison to the predecessor, the new OM 654 diesel engine range reduces emissions and fuel consumption while also optimizing noise and vibration comfort.

Mercedes

Mercedes Diesel Engine Exhaust

Rolls-Royce Power Systems road map for climate-neutrality; 35% cut by 2030 from 2019; key role of mtu engines

Green Car Congress

JULY 22, 2021

By 2030, the Rolls-Royce business unit is to cut greenhouse gas emissions by 35% compared to its 2019 level through the use of new net zero and zero carbon technologies. The engines are used in a wide variety of applications, for example, in energy supply, commercial shipping, heavy land vehicles, passenger trains and in yachts.

2019

2019 Engine Climate Power

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. Engine controller with dDSF: Tula’s proprietary SW for smooth, efficient operation and fuel economy gains. dDSF Simulation Project.

Diesel

Diesel Future Fuel Economy China

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

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

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 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

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

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

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

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

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

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

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

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

MAN D3876 engine ensures high thrust and future-proofing in PistenBully 800; engine basis for possible H2 variant

WinGD and HSD Engine collaborate to deliver methanol-fueled two-stroke engines

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

MAN Engines puts first dual-fuel hydrogen-powered engines for workboats into operation

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

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

A Bamboo Carbon Filter for Diesels Could Reduce Emissions

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

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

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

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

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

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

ClearFlame Engine Technologies secures $17M in Series A financing

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

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

Rolls-Royce supplying two mtu gas engines for first LNG-hybrid tugboat

ClearFlame Engine Technologies completes on-road demo of Class 8 truck with Cummins X15 running E98 ethanol

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

WinGD and HHI-EMD extend collaboration to develop sustainable two-stroke engine technology

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

HyMethShip seeks to fuel ship engines with hydrogen from methanol

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

HEI launches two new non-tailpipe particulate emission studies

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

Building materials recycler switches fleet to Neste renewable diesel

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

First MAN ME-GA Otto-cycle engine completes gas trials

ClearFlame Engine Technologies hits multiple manufacturing, customer pilot, and fueling milestones

Mercedes-Benz Vito gets OM 654 four-cylinder diesel engine

Rolls-Royce Power Systems road map for climate-neutrality; 35% cut by 2030 from 2019; key role of mtu engines

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

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

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

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

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

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

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

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