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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.
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.
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 ). As a result, distance-specific mass and number emissions can be derived, which can then be compared to equivalent tire metrics.
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.
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.
GTI1 has been named InternationalEngine of the Year 2018 in its category. The 85 kW / 115 PS gasoline-fired engine is the first of its kind to be combined with a four-way catalytic converter and installed in the up! GTI—available since spring this year—is the latest addition to the EA211 range of engines.
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.
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”.
Section of the MkII Clarke-Brayton split-cycle engine. Motiv Engines, LLC introduced the second-generation of its engine concept dubbed the MkII Clarke-Brayton Engine, which it intends to develop into a heavy-duty on-highway engine fueled by liquid natural gas (LNG). Note the three different cylinder sizes.
Initiated by MAN with partners from industry and research institutes, it aims to define the steps necessary to produce a dual-fuel, medium-speed engine capable of running on diesel-fuel and ammonia. Alexander Knafl, Head of R&D, Four-Stroke Engineering, MAN Energy Solutions. MAN Energy Solutions has begun the ‘AmmoniaMot’ project.
Researchers at Shanghai Jiao Tong University are investigating ammonia-fueled HCCI combustion in a free piston engine. However, practical challenges still exist when applying ammonia in traditional internal combustion engines (ICEs) due to its high ignition energy, slow flame propagation and significant NO x emissions.
TSI with automatic cylinder deactivation (ACT) ( earlier post ) received the “Best New Engine Award” at the 2013 InternationalEngine of the Year Awards 2013 at Engine Expo in Stuttgart, Germany. This award recognizes the best engine development of the past 12 months. Volkswagen’s 1.4 liter displacement category.
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. The aim is to reach a CO 2 net-zero operation of combustion engines. Switch to alternatives for combustion engines.
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.
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. 2022.04.274
liter V8 engine for automobiles that is fueled entirely by hydrogen. In Japan, Toyota and other automotive-related companies are about to begin a collaborative effort to expand the range of fuel options for internal combustion engines. November 2021 hydrogen engine prototype. Earlier post.). Earlier post.).
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”.
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. Camera lies along orthogonal 45° plane. Wissink et al.
Comparison of brake thermal efficiency and specific fuel consumption at rated power (ICOMIA Mode 5), hydrogen vs. gasoline engines. Such an engine could provide a cost-effective solution for small recreational vehicle- and motorcycle applications. Oh and Plante. Click to enlarge. —Oh and Plante. Oh and Plante. Click to enlarge.
Relative (percent) CO 2 emissions benefit of the new natural gas variant as compared to the 220 kW diesel engine. Among its trucks on display at the upcoming IAA in Hanover, Mercedes-Benz will showcase an Econic equipped with its new Euro VI medium-duty natural gas engine (M 936NGT), which is derived from the 7.7-liter Benz et al.
Performance of the new ESTEC engine (1NR-FKE) compared to the current 1NR-FE engine applied in the Yaris. Engineers at Toyota have developed an approach to applying the Atkinson cycle—used in the engines in Toyota hybrids since 1997—for engines in conventional, non-hybrid vehicles. Yamada et al.
In a presentation at the SAE 2014 High Efficiency IC Engine Symposium and then in a paper given at SAE 2014 World Congress, Mark Sellnau, Engineering Manager, Delphi Advanced Powertrain, reported that Brake Specific Fuel Consumption for the 1.8L Earlier post , earlier post.). Background. Earlier post.) DOE UFEV program targets.
liter EcoBoost engine ( earlier post ) was named 2014 InternationalEngine of the Year for the third consecutive year. EcoBoost was also named Best Engine Under 1.0-Liter The Best Green Engine Award this year went to the Tesla Model S electric powertrain. liter EcoBoost engine. liter EcoBoost engine.
As part of the Horizon 2020 research project CARES (City Air Remote Emission Sensing), an international research consortium is working on new contactless exhaust measurement methods that will enable municipalities to take emission-reducing measures. ICCT (International Council on Clean Transportation; DE). Airyx Gmbh (DE).
General Motors has released Technical Service Bulletin (TSB) 08-06-04-006J, which provides updated information to dealership service departments on identifying non-GM engine control module (ECM) calibrations. The bulletin also extends the procedures to cover many Duramax-equipped vehicles built for model year 2013.
T-GDi—the first engine to feature the technology. CVVD optimizes both engine performance and fuel efficiency while reducing emissions. When the vehicle is maintaining a constant speed and requires low engine output, CVVD opens the intake valve from the middle to end of the compression stroke. T-GDi engine.
The two projects are part of a larger multi-year DOE-funded project to develop and to apply innovative simulation strategies and tools to maximize benefits of predictive information from high performance computing (HPC) for internal combustion engines. The Principal Investigator on that DOE project is Dean Edwards of ORNL.
A team led by researchers from Oak Ridge National Laboratory (ORNL) is developing a lower-cost cast aluminum (Al) alloy capable of at least a 50 ˚C temperature increase over the current cylinder head alloys 319 and 356 for use in light duty engines. Materials for exhaust and energy recovery.
For the powertrain, Audi, in the 25 th year of the TDI engine, has developed a new diesel 4.0-liter liter V12 Audi R10 TDI, the first TDI engine used at Le Mans, the current race car consumes about 40% less fuel while achieving comparable lap times. liter V-4 gasoline engine that is compact and lightweight. Specifically, 138.7
to LiquidPiston for development of 30kW X4 rotary diesel engine prototype. an advanced internal combustion engine technology company, an additional $2.5 million to continue development of its 30kW X4 rotary diesel engine prototype, bringing DARPA’s total funding of the engine technology to $6M. Earlier post.).
liter V12 mid-mounted engine is complemented by three electric motors, one of which is integrated into the new double-clutch eight-speed gearbox. liter V12 mid-mounted engine is complemented by three electric motors, one of which is integrated into the new double-clutch eight-speed gearbox. The naturally-aspirated 6.5-liter
The EPFL system captures CO 2 directly in the trucks’ exhaust system and liquefies it in a box on the vehicle’s roof. The project is being coordinated by the Industrial Process and Energy Systems Engineering group, led by François Maréchal, at EPFL’s School of Engineering. 2019.00143.
The H-engine—basically two separate engines housed within the same engine block—comprises two switchable parallel piston banks, independently fueled by gasoline and CNG. Startup Eco-Motive has developed what it calls the first dual-fuel “H” engine; it recently received a patent (# 8807098 ) on the design.
At the 2 nd International Conference Automotive 48 V Power Supply Systems , held last week in Düsseldorf, Germany, Controlled Power Technologies (CPT), a major sponsor of the event, together with leading car makers and Tier 1 suppliers, argued the need for an internationally agreed 48V electrical standard. Click to enlarge. The conference.
liter VVT-i gasoline engine. Still one of the lightest engines in its class, the unit incorporates numerous revisions that enhance performance and help deliver class-leading fuel efficiency and CO 2 emissions. Gasoline engines are chosen by 85% of A-segment customers in Europe. “ Engines Fuel Efficiency'
There are widespread policy assumptions that the phase-out of gasoline and diesel internal combustion engines will over time lead to much reduced emissions of Volatile Organic Compounds (VOCs) from road transport and related fuels. While some VOCs are released in exhaust, others may arise from an unexpected source—e.g.,
Building off its 350 bar GDi (Gasoline Direct Injection) system, Delphi Technologies has developed a 500+ bar GDi system that can reduce particulate emissions by up to 50% without expensive engine re-designs for the majority of applications. —Walter Piock, chief engineer, Delphi Technologies. Left: GDi 500+ injector.
Toyota introduced the next-generation three-row 2020 Highlander SUV at the New York International Auto Show. liter DOHC four-cylinder engine with two electric motors in a system that’s more compact, and more efficient than before. Engine speed is synchronized with vehicle speed, yielding effortless and quiet acceleration.
TPS tested its Transient Plasma Ignition System in multi-cylinder operation on a Cummins Westport ISX12N natural-gas engine. Our ignition technology reduces fuel consumption in combustion engines by a significant amount, and it can do so with an easy-to-implement solution that requires no engine redesigns.
A life-cycle assessment of emissions from domestic and imported liquefied natural gas (LNG), and heavy-fuel oil (HFO) for marine shipping by a team from the University of British Columbia has found that only high-pressure dual-fuel (HPDF) engines robustly reduce well-to-wake GHG emissions by 10% compared with their HFO-fueled counterparts.
At the 2016 Guangzhou Auto Show, Qoros Auto introduced the first drivable engineering development car—a modified Qoros 3 hatchback—equipped with the QamFree engine featuring FreeValve’s Pneumatic-Hydraulic-Electric-Actuator (PHEA) technology. The engine on show at Guangzhou is a 1.6-liter Earlier post.)
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. International Journal of Engine Research doi: 10.1177/1468087413481345.
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