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Earlier this month, Achates Power announced that its innovative 3-cylinder, 10.6L 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. Source: Achates Power.
An electric exhaust gas turbocharger, which in future will be used for the first time in a series production model, is already in the final stages of development. This electronically-controlled electric motor drives the compressor wheel before this accepts the exhaust gas flow.
Rolls-Royce Power Systems has outlined its road map for climate neutrality: Net Zero@Power Systems. A key element in achieving these goals is the certification of the most important mtu engine products, which will run on sustainable fuels from as early as 2023 and then be successively brought into use.
Following two variants with V8 engines, Mercedes-AMG is presenting the entry-level SL 43 version of its newly developed roadster icon. The SL 43 features an M139 in-line two-liter, four-cylinder gasoline engine with an electric exhaust gas turbocharger—used for the first time in a production vehicle.
MAN Engines recently put its first two dual-fuel hydrogen-poweredengines 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.
At InnoTrans 2018, the International Trade Fair for Transport Technology, MAN Engines is exhibiting the D3876 LE63x for locomotives, which produces 471 kW (632 hp) at 1,800 rpm. The MAN D3876 LE63x meets EU Stage V for locomotives without the need for exhaust after-treatment systems. Modular EATS.
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.
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 ). On current trends, the ratio may well continue to increase. A summary of the results is shown in the table and chart (log scale) below.
Rolls-Royce has conducted successful tests of a 12-cylinder gas variant of the mtu Series 4000 L64 engine running on 100% hydrogen fuel. The tests, carried out by the Power Systems business unit, showed very good characteristics in terms of efficiency, performance, emissions and combustion. We are very pleased with the rapid progress.
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.
The Yuchai YCK16H hydrogen-fueled engine was successfully ignited in Yulin, Guangxi. The engine, with a displacement of 15.93 liters and a maximum horsepower of 560 hp, is the largest hydrogen-fueled engine with the largest displacement and horsepower in China.
Achates Power was recently awarded a $5-million contract from the US Army to expand the family of opposed-piston engines for military vehicles. The project, awarded in late-2020, builds upon the success of the Advanced Combat Engine (ACE). Major, vice president, Achates Power. Achates Power is partnered with Cummins, Inc.
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).
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. Image: Empa. —Patrik Soltic.
liter turbocharged M139 engine featuring an electric exhaust gas turbocharger. The electric exhaust gas turbocharger solves the conventional trade-off between a small, responsive turbocharger yielding a lower total output and a large turbocharger capable of high peak power with less responsiveness.
This feature also delivers the sociability benefits that contractors are looking for by reducing on-site noise and exhaust emissions. Specially developed bearings in the engine, along with upgrades to the flywheel ring gear and starter motor, support long life and reliable performance with frequent starts. Cummins Inc.
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. from 16.5)
Bentley will cease production of its 12-cylinder gasoline engine in April 2024, by which time more than 100,000 examples of the iconic W12 will have been handcrafted in the company’s Dream Factory in Crewe, England. Development work has concluded recently on the most powerful version of the W12 ever created.
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.
Volkswagen has continued to evolve its small displacement turbocharging technology with each new engine generation. In 2022, the fourth evolution of the EA888 pushes state-of-the-art turbocharged engine design further still; it is one of the most advanced Volkswagen engines ever built. 1 for the Golf R and 9.6:1 1 for the GTI.
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%.
The machine is powered by a 451 kWh lithium-ion battery system from US-based Proterra. As a result, Komatsu has achieved digging performance and durability equivalent to those of engine-driven hydraulic excavators. The zero engine vibration will also help reduce operator fatigue. 20-ton class electric hydraulic excavator.
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. development. development. The X82DF-2.0
Volvo Penta has expanded its genset range and launched its most powerfulengine to date with the introduction of the D17. The new power generation 17-liter engine delivers exceptional power-to-weight ratio from the same footprint as the proven, compact D16.
The Mazda MX-30 e-Skyactiv R-EV, a plug-in series hybrid model that uses a rotary engine as a generator, made its world premiere at the Brussels Motor Show. Throughout, the entire driving range is electric motor-powered. Rotary engine. This has a negative effect on both fuel economy and engine output. Earlier post.)
Intelligent Power Generation (IPG) will demonstrate the impact of Flameless Ceramic Turbine technology in UK electric vehicle (EV) charging infrastructure, following a £1-million contract from Highways England. —Brian Cull, Senior Intelligent Transport Systems Engineer, Highways England.
A new report released by the Air Quality Expert Group ( AQEG ) in the UK recommends as an immediate priority that non-exhaust emissions (NEE) are recognized as a source of ambient concentrations of airborne PM, even for vehicles with zero exhaust emissions of particles. —“Non-Exhaust Emissions from Road Traffic”.
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.
Researchers at Shanghai Jiao Tong University are investigating ammonia-fueled HCCI combustion in a free piston engine. Ammonia is a promising carbon–neutral fuel, able to power heavy-duty vehicles, non-road machineries and ocean ships with zero CO 2 emission. 2023.127634
The joint research team of KIMM and HMC injected hydrogen directly into the combustion chamber of the engine of an existing HMC hybrid vehicle, with a pressure of more than 30 bar.
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.
Achates Power announced that the 10.6-liter, 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.
Several organizations, encompassing companies, research labs, and academia, have formed the Hydrogen Opposed Piston Engine Working Group. The Working Group consists of members undertaking research and development in the field of hydrogen combustion in an opposed-piston engine. The only criteria emission of concern is NO x.
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.
three-cylinder engine (66 kW / 90 PS) the additional tank carries 16.5 liter four-cylinder engine, which is powerful, efficiency and environmentally friendly. liter TGI engine in the Golf uses the TGI Miller combustion process with a high compression ratio of 12.5:1, On the Polo with 1.0 liters in total, or 13.8
Thirty-seven globally prominent scientists representing the International Journal of Engine Research have published an open-access editorial addressing the future of the Internal Combustion Engine, and stressing the importance for continued development of more efficient and even lower-emitting technologies. —Reitz et al.
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. TDI took a step forward and was therefore given the suffix “evo”.
A new study by researchers from Washington State University and SLAC National Accelerator Laboratory has found that a catalyst using a single or just a few palladium atoms removed 90% of unburned methane from natural gas engineexhaust at low temperatures. The work is published in the journal Nature Catalysis.
Achates Power’s innovative 3-cylinder, 10.6L opposed-piston heavy-duty diesel engine 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. Rendering of the 10.6-liter
Libertine FPE, the creator of Smart Engine control technology for free piston engine (FPE) generators, has secured £2.6 Libertine says that free-piston range-extender engines can offer the efficiency of fuel cells, the durability of conventional engines and achieve carbon reductions using renewable fuels. million (US$3.6
The capability to heat up the catalytic converter rapidly at all times increases the overall efficiency of exhaust-gas aftertreatment. The EMICAT e-catalyst developed by Vitesco Technologies ensures effective exhaust gas aftertreatment, even when the exhaust gas is actually too cold for this purpose.
Xiaoyun engine, which is dedicated for plug-in hybrid vehicles (PHEVs). plug-in hybrid engine is specifically built for the DM-i hybrid technology. With a Brake Thermal Efficiency (BTE) of 43%, it stands as the highest thermally efficient gasoline engine in production.
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.
Researchers at Oak Ridge National Laboratory (ORNL) have used neutron diffraction to provide noninvasive measurement of lattice strains inside components of a firing engine, thereby enabling the operando study of complex load states and thermal gradients throughout the solid materials. Wissink et al. kW and 12.4 N·m, respectively.
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