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At the US Department of Energy’s (DOE’s) Annual Merit Review meeting in Washington, DC last week, Michael Ruth from Cummins noted that the DOE program target for the project is a fueleconomy (CAFE) target of 26 mpg (9.05 Exhaust system configuration. Earlier post.). l/100 km) for a vehicle of that size.
report not only the superior emission characteristics of the Fischer–Tropsch fuels, but also evidence that higher exhaust gas recirculation and lower excess air ratios will be a key concept of both engine and aftertreatment optimization for further fuel consumption improvement.
Especially with increased production volume of renewable fuels and optimized powertrain solutions for flexible fuel vehicles, there is a chance for combustion engines to not only remain in the market but also be sustainable for future vehicle. improvement in fueleconomy over the baseline engine for the Metro-Highway (M-H) cycle.
TEG component (cartridge) and TEG architecture concept. Gentherm is supplying modular, cylindrical-shaped thermoelectric cartridges that convert waste heat from the exhaust into electricity. For light duty passenger vehicles, the fueleconomy improvement must be measured over the US06 cycle. Source: Crane (2013).Click
The VEMB system uses a concentric camshaft, blow-down manifold and scavenge manifold to separate the exhaust event into two phases: high-energy blow-down to the turbo without pumping losses, and high-hydrocarbon scavenge to the EGR system. to 2 ratio points and maintain the same knock limit for an additional 3-4% improvement in fueleconomy.
The Ricardo-led Advanced Diesel Electric Powertrain (ADEPT) project will apply 48V “intelligent electrification” concepts, mild hybridization and waste heat recovery in a Ford Focus diesel demonstrator. version of its vehicle (a 2009 Ford Focus) but with fueleconomy and CO 2 emissions approaching those of a Prius.
Simulated fueleconomy for 1.8L GDCI showed a predicted fueleconomy improvement of 65%, 28%, and 28% for the FTP City, Highway, and US06 cycles, respectively, for a combined FE improvement of 50%. Vehicle simulations for various drive cycles predicted very good fueleconomy for all city and highway modes.
Progressively demonstrate the project objectives via concept analysis/modeling, single-cylinder engine, multi-cylinder engine, and vehicle-level demonstration—the point at which the development team is now. I4 / 25 bar BMEP; during the concept evaluation in 2010 and 2011, the research team revised the architecture to 2.3L
D-EGR is an engine and control concept that combines fuel reforming to produce hydrogen with high levels of exhaust gas recirculation (EGR) to achieve very high levels of thermal efficiency. In 2013, SwRI reported a 2.0-liter
The hybrid helicopter concept. EADS Innovation Works is presenting a concept helicopter with a diesel-electric hybrid propulsion system at the ILA Berlin Airshow 2010, 8-13 June. The diesel-electric hybrid concept is one of the projects grouped under the name of eCO2avia by EADS Innovation Works. Click to enlarge.
The TEG technology, which converts waste heat from gas exhaust into electric energy and has the potential to improve passenger car fuel efficiency by as much as 5%. TEG & Exhaust System in Lincoln MKT. The TEG developed in that project provided a proof-of-concept for stack-arranged TE engines in a cylindrical form factor.
The Kiyora Concept uses a 1.3-liter liter version of the new SKY-G gasoline direct injection engine and achieves fueleconomy of 75 mpg US on the Japanese 10-15 cycle. Specifically, fueleconomy and torque are improved by approximately 15% compared to Mazda’s current 2.0-liter Click to enlarge. liter SKY-G engine.
Individualized spray cone angle technology compensates the natural nozzle offset inherent in eight-valve engines due to the asymmetry of the intake and exhaust valves. Cold-loop Exhaust Gas Recirculation (low-pressure EGR) recovers exhaust gases further downstream than a conventional EGR system. This in turn favors performance.
Fueleconomy targets for the vehicle are 22.4 At the recent 2103 SAE World Congress, Cummins discussed key engine technology enablers—including air-handling, fuel system, and base engine design— and development of the combustion system that will help in achieving the target emission levels and fueleconomy.
The A dvanced C ombustion C oncepts— E nabling S ystems and S olutions (ACCESS) is developing advanced combustion control concepts along with with an enabling system, subsystem and component level solutions for the management of multi-mode/multi-fuel combustion events.
The Blue-Will PHEV concept. Hyundai brought its Blue-Will plug-in hybrid (PHEV) concept—first introduced at the 2009 Seoul Motor Show ( earlier post )—to the North American International Auto Show in Detroit for its US debut. The Blue-Will concept is powered by an all-aluminum 152 hp (113 kW) Gasoline Direct Injected (GDI) 1.6-liter
Shell has partnered with the Airflow Truck Company to collaborate on a hyper-aerodynamic, fuel-efficient Class 8 concept truck: Starship. This next-generation concept truck features a custom, aerodynamic design and aims to demonstrate improvements in fueleconomy for Class 8 trucks. and ending in Jacksonville, Fla.
Omnivore lays the foundations for a novel and pragmatic vision of a variable compression ratio engine concept suitable for production. Schnürle loop scavenging with five transfer ports and one exhaust port fitted with Lotus charge trapping valve providing asymmetric and continuously-variable exhaust port timing. Displacement.
Hyundai introduced its Nuvis concept crossover vehicle at the New York International Auto Show. To maximize fueleconomy, all of the Theta II’s major driveline and cooling system components have been optimized to reduce friction, while the crankcase has been filled with low friction oil. The Hyundai Nuvis. Click to enlarge.
The high-level performance goals of the Partnership are a 25-40% improvement in fueleconomy in a light-duty vehicle (LDV) and achieving 55% brake thermal efficiency (BTE) in heavy-duty engine systems. bio-derived) fuels have the potential to dramatically increase fueleconomy. The potential is significant.
HYbrid FE concept. At the Frankfurt Motor Show, PEUGEOT and Total will unveil the hybrid 208 HYbrid FE concept. All of these advances lead to fueleconomy improvements by 10% yet with power maintained at 68bhp (50kW). HYbrid FE concept. The engineers achieved a 20% reduction on that for the HYbrid FE concept.
The system, say the researchers, offers the potential to exploit most of the benefits of operating on premium high octane fuel while using less expensive regular grade more effectively. 100 RON product when using regular unleaded (RUL) 92 RON gasoline as the base fuel. increase in fueleconomy, according to their work; 8.5%
Among its many offerings at the Paris Motor Show, Audi is unveiling the Audi TT Sportback concept—a car that leverages but elongates the design idiom of the classic TT. Dr. Hackenberg noted that the “ TT Sportback concept unites two concepts to form a new member of a potential TT family. ” wheel drive. Click to enlarge.
Mitsubishi Concept XR-PHEV on stage in LA. MMNA) gave the Mitsubishi Concept XR-PHEV ( earlier post ) plug-in hybrid its North American debut at the 2014 Los Angeles Auto Show. For additional power optimization with reduced exhaust emissions, the 1.1-liter Fueleconomy would be more than 65 mpg US (3.6
The Takeri diesel concept. Mazda Motor Corporation will showcase the global premiere of the Mazda Takeri next-generation midsize sedan concept car at the upcoming 42 nd Tokyo Motor Show. liter V6 gasoline engine vehicles, and the best fueleconomy of any SUV on the Japanese market at 18.6km/L (43.8 Click to enlarge.
The Cummins team not only surpassed all fuel-economy targets, but also achieved criteria emissions lower than the stringent Tier 2/Bin 2 levels. Test cycle fueleconomy (mpg). The Highway FuelEconomy Test (HFET) and FTP-75 Test (city) cycles demonstrated fueleconomy above 35 mpg (6.72
Ulrich Hackenberg, Member of the Board of Volkswagen Brand Technical Development, in front of the Volkswagen Concept Car L1 in Frankfurt. Volkswagen unveiled the L1, its second-generation one-liter class concept car, at the Frankfurt Motor Show. The earlier, first-generation 1-Litre concept. Click to enlarge. Earlier post.)
improvement in city fueleconomy (24.5 Southwest Research Institute (SwRI) announced preliminary test results of its Dedicated-Exhaust Gas Recirculation (D-EGR) demonstration vehicle ( earlier post ) at the SAE 2014 World Congress in Detroit. Hydrogen-enriched exhaust is routed to the intake. mpg) and a 9.2% 2014-01-1190.
This pairing features precise communication between the engine and transmission, as well as proprietary control logic to further enhance fueleconomy. Peak fuel pressure of 2,500 bar at the injector tip allows for excellent fuel atomization and combustion, delivering improved fueleconomy and low emissions.
The plug-in full hybrid BMW Vision EfficientDynamics all-wheel drive concept car is powered by a 1.5-liter, The purpose of the high-performance concept study was to visualize the dynamic performance typical of a BMW against the backdrop of future demands in sustained mobility, according to the company. Click to enlarge. Earlier post.).
million grant to develop and to demonstrate a new ultra fuel efficient vehicle (UFEV) vehicle concept. Due to the lower exhaust enthalpy of lower temperature engines using PPCI, it is difficult to produce intake boost with acceptable boost system parasitis. Earlier post.) These were two main consideration in base engine design.
At the Tokyo Motor Show, Mazda is showcasing the recently-released Mazda Axela (known as Mazda3 overseas) with a variety of engine types at the 2013 Tokyo Motor Show, including a CNG concept and hybrid variants. Alternative fuels: CNG and E85. Major technologies on Mazda3 SKYACTIV-CNG concept. Earlier post.). Click to enlarge.
The Accord plug-in hybrid has an all-electric range of 13 miles (21 km); charge depleting (EV mode) combined fueleconomy of 115 MPGe; charge sustaining (hybrid mode) combined fueleconomy of 46 MPGe; and meets California LEV3-SULEV20 emissions standards. Valve train (exhaust). Fuel injection type.
The E 250 BlueTEC concept. At the New York International Auto Show, Mercedes-Benz showcased a concept E 250 BlueTEC designed for the North American market. When fitted to the 7G-TRONIC seven-speed automatic transmission, the E 250 BlueTEC offers fueleconomy of 28 mpg US (8.4 Click to enlarge.
Engineers at GM’s R&D Center are developing a new low-cost concept for NO x control from lean-burn spark ignition direct injection (SIDI) engines: passive ammonia SCR. a high air-to-fuel ratio) SIDI (e.g., GM’s passive ammonia SCR concept places a conventional three-way catalyst upstream of an SCR catalyst. Lean-burn (i.e.,
The leeway gained can go towards increasing fueleconomy and engine power. This results in better cooling performance and less engine knocking, and the efficiency of the engine as a whole is improved. In the second stage, a special drill bit is used containing tiny bits of diamonds that were unfit for jewelry. The new 2.5L
At the Aachen Colloquium next week, Ricardo and Geely will present research work into the application of the Ricardo Magma xEV gasoline engine concept into a commercial vehicle series hybrid powertrain, delivering 45% brake thermal efficiency. The Magma concept architecture closes the inlet valve early to reduce pumping losses.
The concept of the Ricardo Split-Cycle engine. The recuperated engine uses isothermal compression via cryogenic injection to enable significant exhaust to compressed gas heat transfer. Recuperator to transfer heat from exhaust gas to compressed air. Source: Neville Jackson. Click to enlarge.
unit features: An offset crankshaft that helps improve fueleconomy. Faster cylinder block warm-ups save fuel, especially in cold weather. An exhaust manifold cast into the cylinder head. The one-piece assembly lowers the temperature of the exhaust gases. —Derrick Kuzak. Ford US small car sales.
The SuperTurbo concept. The SuperTurbo’s supercharger function enhances the transient response of a downsized and turbocharged engine, and the turbo-compounding function offers the opportunity to extract the available exhaust energy from the turbine rather than opening a waste gate. improved fueleconomy 17%, and downsizing from a 4.2L
AOI 8: Development of High-Performance Low-Temperature Catalysts for Exhaust Aftertreatment. ($3M). These new exhaust aftertreatment technologies and catalysts must have light off temperatures of 150 °C and conversion efficiencies near 90%, to fully meet topic objectives.
VVT-iW features standard VVT-i on the exhaust valves and VVT-iW on the intake side. The concept of combining the Atkinson cycle at part loads with the Otto cycle at full loads stretches back more than 30 years to a 1982 paper by a team of researchers from Tel-Aviv University and the Israel Institute of Technology. Earlier post.).
E-Thrust is a “series hybrid” electrical distributed propulsion system concept using one gas power unit providing the electrical power for six fans for lower fuel consumption, fewer emissions and less noise. The partners hope to build a proof of concept in 3 years and have Certification CS23 in 10 years. Click to enlarge.
The all-new Axela marks the introduction of Mazda Connect, the company’s car-connectivity system based on Mazda’s Heads-Up Cockpit concept. liter gasoline engine which greatly enhances torque and improves fueleconomy by about 26% (compares AT sedan model under JC08 mode test). liter gasoline engine. Earlier post.) l/100 km).
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