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Southwest Research Institute engineers have developed the next generation of clean dieselengine 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).
opposed-piston heavy-duty dieselengine has achieved performance results that comply with pending 2027 requirements of the US Environmental Protection Agency (EPA) and California to reduce sharply emissions of nitrogen oxides (NO x ). liter engine. Achates Power’s innovative 3-cylinder, 10.6L Rendering of the 10.6-liter
A team at Oak Ridge National Laboratory (ORNL) has achieved diesel-like efficiency in a single-cylinder spark-ignition (SI) research engine while maintaining compatibility with stoichiometric 3-way catalyst (TWC) systems. A paper on their work is published in the International Journal of Engine Research. Splitter et al.
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 dieselengines using low-cost ethanol in Class 8 trucks.
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.
At CONEXPO, Cummins showcased its new fuel-agnostic 15-liter engine platform with hydrogen, natural gas and advanced dieselengines offering low-to-zero carbon fuel capability. The next-generation engine is designed to accelerate the decarbonization of heavy-duty off-highway applications.
Bosch and Weichai Power have increased the efficiency of Weichai truck dieselengines from their current level of roughly 46% to 50%. Even though the dieselengine is nearly 130 years old, its development continues. Bosch provides its modular common-rail system for the six-cylinder dieselengine with 12.9
In a new report , the US Environmental Protection Agency (EPA) Air Enforcement Division (AED) estimates that the emissions controls have been removed from more than 550,000 diesel pickup trucks in the last decade. The AED report includes only tampering that involves the complete removal and disablement of emissions controls hardware.
million Ingenium engines at its Engine Manufacturing Center in Wolverhampton, UK. The UK manufacturer is now adding a new straight-six diesel to the family. The advanced in-line Ingenium dieselengine, featuring mild hybrid technology (MHEV), joins the range of six-cylinder gasoline and four-cylinder gasoline and dieselengines.
ClearFlame Engine Technologies, a startup developing net-zero engine technology ( earlier post ), announced the publication of an independent study that finds ClearFlame’s technology could help fleet owners and other heavy-duty truck operators lower total costs while meeting sustainability goals sooner than currently available alternatives.
TDI diesel for Euro 6d; SCR twin-dosing. Volkswagen continues to refine its most important dieselengine, 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.
The independent testing on a generator showed the unit reduced diesel consumption in the range of 5–13%, lowered diesel particulate matter emissions by 25–80% and removed 7–25% of carbon monoxide. The units vary in size depending on the engine capacity they are serving and can be fitted neatly to the rear of a truck cabin.
liter, heavy-duty opposed-piston, three-cylinder dieselengine 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,
Engineers from UNSW Sydney (Australia) have successfully converted a dieselengine to run as a dual-fuel hydrogen-dieselengine, reducing CO 2 emissions by more than 85% compared to conventional diesel. below the amount produced by the diesel powered engine. CO 2 reduction and 13.3%
Diesel is the predominant technology in commercial trucking, school, and transit bus sectors, according to the Diesel Technology Forum’s analysis of data sourced from S&P Global Mobility TIPNet data of vehicles in operation for Class 3-8 as of December 2021. Of the largest trucks (Class 8) in operation, 97% are diesels.
Cummins will launch the next engine in the fuel-agnostic series, the X10, in North America in 2026. This engine, named as part of the X engine family, is positioned to replace both the L9 and the X12 with the versatility to serve both medium- and heavy-duty applications.
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.
will bring to market a 15-liter natural gas engine for heavy-duty trucks. The 15-liter natural gas engine is an important part of Cummins strategy for its path to zero emissions. —Srikanth Padmanabhan, President, Engine Business, Cummins. Cummins Inc. gCO 2 e/MJ.
Southwest Research Institute (SwRI) is helping a client develop a simple post-refinery treatment process that reduces exhaust emissions from dieselengines by overcoming the soot/nitrogen oxides (NO x ) reduction trade-off that has plagued engine researchers for decades.
liter dieselengine for use in FCA US’ Jeep Grand Cherokee and Ram 1500 vehicles that would be sold in the United States. liter dieselengine for use in FCA US’ Jeep Grand Cherokee and Ram 1500 vehicles that would be sold in the United States. liter diesel program’s goals, timing, and marketing strategy.
Argonne National Laboratory is helping Caterpillar improve efficiency and reduce emissions in their heavy-duty dieselengines. Heavy-duty dieselengines still power most large vehicles used in the construction, mining and transportation industries in the United States.
Analysis of a study by S&P Global Mobility shows the number of new near-zero emissiondiesel trucks on the road in the US increased 10.2% between 2021 and 2022, according to the Diesel Technology Forum (DTF). Near-zero emission trucks are advanced diesel technology manufactured in the 2010 and later model years.
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.
An open-access paper on their results is published in the journal ACS Sustainable Chemistry & Engineering. The life-cycle greenhouse gas (GHG) emissions of the two pathways were 11.2 Life-cycle GHG emissions results for MCCI bioblendstocks produced from wet waste feedstocks, in comparison to 91 g of CO 2 e/MJ of petroleum diesel.
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%.
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).
Swiss engine designer WinGD, a leading developer of two-stroke low-speed gas and dieselengines used for propulsion power in merchant shipping, said that its engines will be able to run on methanol and ammonia from 2024 and 2025 respectively. —Volkmar Galke, Director of Global Sales, WinGD.
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.
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.
Developed on a new architecture, the all-new Sportage will offer gasoline and diesel powertrains at market launch later this year, followed by hybrid-electric (HEV) and plug-in hybrid electric (PHEV) models. The Sportage will be launched with a range powertrains, including clean gasoline and diesel IC engine technology.
The objective of this agreement is to develop a project to repower and put into service 400 switcher and line-haul freight locomotives, all 100% powered by compressed natural gas (CNG) and/or renewable natural gas (RNG) with low or zero emissions, in line with the Argentina’s decarbonization goals. The reason for this is that RNG requires 2.5
Diamond Green Diesel facility in Norco, La., will more than double its annual production of renewable diesel with the completion of a second Honeywell Ecofining process unit with a capacity of 30,000 barrels per day (bpd). Diamond Green Diesel is owned by Valero Energy Corp. Diamond Green Diesel is owned by Valero Energy Corp.
Cummins and Canada-based Buhler Industries , a leading tractor manufacturer under the Versatile brand, signed a letter of intent for plans to integrate the Cummins 15-liter hydrogen engines in Versatile’s equipment to lead the decarbonization of the agriculture market. Versatile 620 fitted with a Cummins X15 diesel. Cummins M15H.
ClearFlame Engine Technologies , a growing startup dedicated to the development of clean engine technology ( earlier post ), secured $2.5 The ClearFlame solution leverages diesel-style mixing-controlled compression ignition (MCCI). The new funding will help ClearFlame deploy pilot Class 8 trucks with its patented technology.
Mercedes-Benz Trucks is introducing the third generation of its OM 471 heavy-duty dieselengine 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.
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 dieselengine nitrogen oxide (NO x ) emissions to meet the California Air Resources Board (CARB) 2027 standards.
a leader in propulsion efficiency, announced at SAE International’s WCX the results of their collaborative study on the effectiveness of Tula’s diesel Dynamic Skip Fire (dDSF) in reducing nitrogen oxides (NO x ) and carbon dioxide (CO 2 ) emissions on a Cummins X15 HD Efficiency Series dieselengine. Cummins Inc.
inline-four hydrogen combustion engine (448 ABH2)—the company’s zero-carbon emissions solution for construction and agricultural equipment—at the Conexpo 2023 show in Las Vegas as part of the International Fluid Power Exposition (IFPE). JCB has also installed one of the hydrogen engines into a 7.5
MAN Engines recently put its first two dual-fuel hydrogen-powered engines for work boats into serial operation. The engines are twelve-cylinder dieselengines 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.
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.
Ricardo has developed a hydrogen-fueled research engine which could offer a renewable, economic and durable technology solution to accelerate zero-carbon emissions in heavy duty trucks, off-highway machines and marine vessels.
will be updated with a Cummins X15N natural gas engine ( earlier post ) that will run on Shell Renewable Natural Gas (RNG). The truck will showcase how fleets today can reduce their energy usage and carbon emissions, without losing focus on the cost of their operations. At ACT Expo in Anaheim, Shell announced that Shell Starship 3.0
opposed-piston (OP) heavy-duty dieselengine 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.)
MAN is testing both the use of a fuel cell and an H 2 combustion engine. When in use, fuel cells do not cause any climate-damaging emissions, as they only emit water vapor. The company’s product portfolio includes vans, trucks, buses/coaches and diesel and gas engines along with services related to passenger and cargo transport.
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