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Innovators at NASA’s Glenn Research Center have developed an automated pulse-and-glide technique using a flywheel energy storage system for on-road vehicles; the technology, which NASA Glenn says can improve fueleconomy over existing internal combustion or battery hybrid systems by 40-100%, is available for licensing.
Prototype low-viscosity ionic liquid-additized engine oil demonstrated a 2% improved fueleconomy compared to Mobil 1 5W-30 engine oil (3.93% over the 20W-30 baseline oil) in standard fuel efficiency engine dynamometer tests. Fuel Efficiency Lubricating Oils' Blau, Sheng Dai, Michael B. 2013.11.010.
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 However, he added, the internal goal is “ significantly higher, ” and is targeting the GHG limit.
The new SuperTruck achieved a 54% increase in fueleconomy. and Peterbilt Motors Company, a division of PACCAR, released test results showing their demonstration SuperTruck tractor-trailer achieved a 54% increase in fueleconomy, averaging nearly 10 mpg US (23.5 Sources of increased engine thermal efficiency.
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.
liter, twin-turbo, inline, six-cylinder engine, named Hurricane, that delivers better fueleconomy and fewer emissions than larger engines while at the same time generates more horsepower and torque than many competitors’ naturally aspirated V-8 and boosted six-cylinder power plants. Stellantis revealed its new, 3.0-liter,
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.
EA888 TSI engine (red) delivers its peak 250 N·m of torque as early as 1,400 rpm, and maintains the strong and flat torque curve through 4,750 rpm—far outpacing the performance of the 5-cylinder 2.5-liter liter engine (blue) it replaces. Volkswagen first launched the EA888 engine generation in spring 2007 (Gen 1).
Cumulative greenhouse gas emissions versus vehicle mileage for (a) internal combustion engine and battery electric sedans, SUVs, and pickup trucks, and (b) hybrid electric and battery electric sedans, SUVs, and pickup trucks. The lower and higher limits of each range are results for base and premium models, respectively. Woody 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. liters (1,984 cc). 1 for the GTI.
Eaton has introduced Procision, a new line of medium-duty dual-clutch transmissions, that delivers 8 to 10 percent better fueleconomy than a similarly equipped vehicle with a torque converter automatic. These features can be disabled for even greater fueleconomy if desired.
The 2015 CR-V offers a new direct-injected Earth Dreams Technology i-VTEC engine and new continuously variable transmission (CVT); a new suite of “Honda Sensing” safety and driver assistance systems (DAS); significantly enhanced exterior and interior styling; as well a long list of new standard and available features and a new premium Touring trim.
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. “ l/100 km (fueleconomy of 53.5
Researchers at Jilin University (China) have investigated the effect of gasoline components on fueleconomy, combustion and emissions in a GDI (gasoline-direct-injection) engine. The team subsequently followed up this first study with a second, exploring the effects in a PFI (port-fuel-injection) engine.
The study considers five different powertrains (internal combustion engine, hybrid-electric, plug-in hybrid-electric, fuel-cell-electric, and battery-electric) and 12 cost components (purchase cost, depreciation, financing, fuel, insurance, maintenance, repair, taxes, registration fees, tolls and parking, payload capacity and labor).
When the new A3 is launched ( earlier post ), Audi will be offering one TDI and two TFSI engines, with a 1.4L The initial three four-cylinder engines all make their appearance as new developments. Their engine displacements range from 1.4 TDI with its 1,968 cc engine displacement (bore x stroke: 81.0 Click to enlarge.
l/100 km) in 2016, the The ICCT team assessed increased consumer label fueleconomy (as opposed to the regulatory test fueleconomy) to 35 mpg (6.71 The resulting trajectory would reduce CO 2 emissions by half and increase fueleconomy by more than 60% from 2016 through 2030. Advanced engines.
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.
The all-new 2019 Volkswagen Jetta, unveiled in January at the North American International Auto Show (NAIAS) in Detroit ( earlier post ) will offer improved EPA-estimated fueleconomy for the model: 30 mpg city (7.8 Matthias Erb, Chief Engineering Officer, North American Region, Volkswagen. L/100km) and 40 mpg (5.88
Using current technologies, all evaluated biofuel, battery electric, and hydrogen fuel cell vehicle pathways offer significant C2G GHG emissions reduction compared to the current gasoline internal combustion engine vehicle. Key assumptions for these two scenarios (e.g., powertrain efficiency, component weights, etc.)
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.).
Researchers at ORNL, in partnership with FCA US and Nemak USA, have developed a new suite of aluminum-based alloys that could give automakers a boost in achieving ambitious fueleconomy goals. Current alloys inhibit engine efficiency because they soften at the peak temperatures present in highly efficient advanced engines.
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.
Hyundai Motor Group will collaborate with the Saudi Arabian Oil Company (Aramco) and King Abdullah University of Science and Technology (KAUST) jointly to research and develop an advanced fuel for an ultra lean-burn, spark-ignition engine that aims to lower the overall carbon dioxide emissions of a vehicle.
In his introductory keynote, Michael Berube, Vehicle Technologies Office Director, Office of Energy Efficiency and Renewable Energy, noted the importance of both engine and fuel technology in a PHEV scenario. If PHEVs are going to play a big role, what is the fuel source for that? How efficient will it be? Not the only one.
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.)
liter Atkinson-cycle four-cylinder gas engine with two motor-generators through a planetary-type continuously variable transmission. The revised hybrid system boosts output to 134 hp (up from 121) and 156 lb-ft (212 N·m) of torque (up from 146 lb-ft / 200 N·m), while EPA-estimated combined fueleconomy reaches 47 mpg.
At the New York International Auto Show this week, Toyota will stage the premiere of the new 2019 Corolla Hatchback. liter Dynamic-Force direct-injection inline four-cylinder engine (M20A-FKS) ( earlier post ) with gains in power, fuel efficiency, and cleaner emissions. Physically, the engine is smaller and lighter than its 1.8-liter
and Saudi Aramco’s US-based subsidiary Aramco Services Company (ASC) have signed a joint development agreement providing the framework for the two companies to work together on a series of Opposed-Piston (OP) Engine projects, which will speed the development of new efficient, low-emissions powertrain choices. Achates Power, Inc.
At the Los Angeles Auto Show, INFINITI revealed the all-new QX50—a premium mid-size SUV featuring the first production application of the VC-Turbo variable compression ratio engine, transforming on demand. An innovative combustion engine design, the 2.0-liter liter VQ V6 engine, the 2.0-liter liter VQ V6 engine, the 2.0-liter
As she outlined it: eAssist provides a average 25% fueleconomy improvement over a traditional internal combustion engine vehicle. GM estimates it will save a driver of a larger car about $1,850 a year in fuel. eAssist technology also turns the engine off when the vehicle is idle to save fuel.
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.)
Their paper was presented at the ASME Internal Combustion Engine Division 2012 Fall Technical Conference by Marcello Canova, assistant professor at OSU; lead author was Philipp Skarke, from the University of Stuttgart Institute for Internal Combustion Engines and Automotive Engineering. —Skarke et al.
Magnomatics was founded in 2006 by a group of engineers from the University of Sheffield (UK) to commercialize magnetic gearing and motor technology developed there. Magnomatics says that a typical installation would have MAGSPLIT mounted directly onto the crankcase of the internal combustion engine. Background.
Neither is the result of immediate wide-spread customer demand, noted Bob Lee, VP and Head of Engine, Powertrain and Electrified Propulsion Systems Engineering for Chrysler Group LLC, later in the day: Electrification has been over-blown by the media. FCA is working on consolidating and improving its large and specialty engines lineup.
manufactured internally; previously, hybrid transmission production was handled by a supplier in Japan. Ford engineered the HF35 and upgraded the controls with a goal of creating the industry’s highest-performing, smoothest-operating hybrid transmission. Reduced weight to help increase fueleconomy.
Further, the aluminum top hat can meet or exceed performance criteria while using the same package space as steel, offering an opportunity for weight savings that translates into improved fueleconomy and lower emissions on an internal combustion engine vehicle, or greater performance and range or reduced battery size for electric vehicles.
Volkswagen of America will introduce the Passat BlueMotion Concept at the 2014 North American International Auto Show in Detroit next week. In this case, the Passat BlueMotion Concept has a manufacturer-estimated highway fueleconomy of 42 mpg (5.6 l/100 km), best-in-class among non-hybrid, gasoline-engined mid-size sedans.
and the US Department of Energy’s (DOE) Argonne National Laboratory are teaming up to research heavy-duty diesel engines. The Caterpillar–Argonne team aims to increase efficiency and reduce emissions by optimizing the Caterpillar C15 piston and fuel spray geometry through simulation. Caterpillar Inc. Earlier post.).
The transaxles, built for the Toyota Sienna and Highlander hybrid vehicles, change their power input with either electric power or internal combustion engine depending on driving conditions to achieve the best fueleconomy.
At the New York International Auto Show, Nissan revealed the 2019 Altima. Variable Compression Turbo engine. liter V6 engine is the world’s first production-ready variable compression turbo inline 4-cylinder ( earlier post )—which generates the performance of some V6 gasoline engines but with 4-cylinder level fueleconomy.
liter EcoBoost engine developed specifically for Mustang. Among the features of the new EcoBoost engine are an optimized intake manifold and turbocharger housing to provide better breathing and higher output. This EcoBoost engine delivers the healthy output that Mustang drivers expect regardless of the speed. New Ford Mustang.
Jaguar Land Rover announced the creation of two new Centers of Excellence for Engine Combustion Research at two leading UK universities. Each center will focus on specific combustion technologies, both targeting higher engine efficiency. We are on a very positive trajectory to reduce vehicle emissions and improve fueleconomy.
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