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The piston’s raised gallery places the cooling oil as close to the piston bowl as possible to achieve maximum cooling. downsized diesel engines with improved fuel economy and CO 2 emissions. Federal-Mogul's 2D ultrasonic inspection technique enables high performance pistons for diesel downsizing. internal friction. its strength.
The results represent a light-load indicated efficiency improvement of 15-30% (up to 40.9%). The sleeve valves have a short heat rejection path directly to lube oil. During the valve open event, all but the top few millimeters are drawn past a lip seal into oil. There is no ISFC improvement at high load. Active sleeve cooling.
Testing of the latest Nexcel active engine oil management system ( earlier post ) across three different engine types has a{demonstrated} the system’s potential to reduce CO 2 emissions by 2 g/km. Nexcel’s active engine oil management system is an easy to change unit containing engine oil, a filter and an electronic control unit.
Light duty vehicle fleet by type and average fuel efficiency. ExxonMobil expects that by 2040, hybrids and other advanced vehicles will account for nearly 50 percent of light duty vehicles on the road, compared to only about 1 percent today. Source: ExxonMobil Outlook. Click to enlarge. L/100 km) by 2040. L/100 km) by 2040.
In addition to demonstrating better fuel consumption results than current advanced gasoline engines, the Omnivore engine has successfully demonstrated homogeneous charge compression ignition (HCCI) down to extremely light loads. Wet sump with plain bearings and electric oil pump. Fuel system. Orbital FlexDI air-assist. Cooling system.
Weighing 220 kilograms (485 lb) including all key add-on parts, the V8 is comparatively light. Audi’s principle of downsizing: “ Forced induction replaces displacement ” One twin-scroll turbocharger per cylinder bank compresses the fresh air. The demand-controlled oil pump varies oil pressure in two stages.
Alcohol-based transportation fuels from a wide range of biomass feedstocks including agricultural, forestry, municipal and industrial waste and specially grown crops and trees can potentially offer a substantial substitute for oil derived fuel. More modest downsizing up to 5 liters could offer a practical solution. In this manner a 3.6
The engine should yield fuel efficiency gains of more than 50% compared to a downsized, turbo-charged gasoline direct injection engine, while reducing the overall cost of the powertrain system, said Fabien Redon, Vice President, Technology Development at Achates Power. Earlier post.) Earlier post.). Earlier post.). Fabien Redon.
In a new report, Navigant Research forecasts that total annual global light-duty start-stop vehicle (SSVs) sales will reach 59 million, accounting for 55% of all light duty vehicle sales. This also offers opportunities for other engine efficiencies such as electric boost. —“ Start-Stop Vehicles ”.
Develop and demonstrate technologies including engine downsizing, electrification of auxiliary systems such as oil and water pumps, waste heat recovery, improved aerodynamics and hybridization. Advanced Technology Powertrains for Light-Duty Vehicles (ATP-LD). 38,831,115. Daimler Trucks North America, LLC. 39,559,868. 37,328,933.
The work of the consortium will be structured into a series of modules, the first of which will focus on the effect of downsizedlight duty gasoline and diesel engine technologies on lubricant soot levels and engine wear. Tags: Fuel Efficiency Lubricating Oils.
However, Navigant foresees that the consumption of gasoline will slowly decrease as alternatives and diesel become more popular in light-duty vehicle (LDV) segments. Markets for both vehicles and fuels have gradually begun to respond to these government programs, and alternative fuels are beginning to have an impact on global oil demand.
Bunker’s emphasis on the general ongoing importance of the internal combustion engine—along with the different technology pathways for improving their efficiency—were echoed by a number of DEER speakers, looking at light-duty as well as medium- and heavy-duty sectors. non-petroleum-based—for transportation.
The US Environmental Protection Agency (EPA) and the US Department of Transportation (DOT) formally unveiled their joint proposal to set stronger fuel economy and greenhouse gas pollution standards for Model Year 2017-2025 passenger cars and light trucks. mpg US (5.87 L/100km) in model year 2021, and 49.6 L/100km) in model year 2025.
The technical and macro-economic study, commissioned by the European Climate Foundation, focuses on light-duty vehicles. In addition, there is a new dimension from the substitution of oil, which is largely imported, with electricity and hydrogen, which are largely generated from indigenous energy resources.
The more efficient combustion engine technologies, with their enabling of downsizing, come in compatibly with hybridization, with hybridization and electrification playing a larger role over time. The further downsized next-generation technologies can be very synergistic within hybrid applications. Planning background.
For example, the iron demand is less because the share of steel is less, while the bauxite demand increases because of the higher light alloy share. Natural gas and crude oil are strongly influenced by fuel consumption during the use phase. Regulated fuel pump and oil pump that adjust their output according to the required load.
The presence of low-speed pre-ignition is considered a major impediment to automobile manufacturers’ efforts to aggressively downsize engines to reduce carbon dioxide emissions. They are from a broad industry cross section, including light, heavy-duty and off-road engine manufacturers, component suppliers and oil and fuel companies.
IROX 2 joins Federal-Mogul’s family of IROX technologies which reduce friction and improve the wear resistance and fatigue limit of the bearings used in today’s highly evolved downsized engines. Sample bearings with the IROX 2 coating are already with customers for evaluation and series production will commence later this year.
For this next-generation design, 70% of the parts have been redesigned, which, along with a downsizedoil pump, lower oil level and low viscosity oil results in up to 40% reduction in internal friction (versus the previous design).
The global energy supply became 6% cleaner from 1971 to 1990,in response to the oil shocks of the 1970s. Fuel economy levels for new passenger light-duty vehicles LDV vary by up to 55% from country to country, demonstrating enormous scope for improving efficiency through policy. In 1990 the underlying carbon intensity of supply was 57.1
“People downsize cars, not expectations. Customers are increasingly making decisions to downsize driven by lifestyle and fuel economy. We’ve learned that when customers downsize, they still want the amenities they’ve become used to in larger vehicles.” liter engine.
On 15 Sep, NHTSA and the US EPA proposed a joint rulemaking on fuel economy and greenhouse gas emissions for light duty vehicles: an average new car 34.1 Three of the NHTSA scenarios for penetration of technologies for light trucks for MY 2016. Data: Preliminary Regulatory Impact Analysis. Click to enlarge. Click to enlarge.
Methanol first surfaced as a potentially interesting transportation fuel in the wake of the oil crisis in 1973. Multiple ways exist for introduction of methanol into the fuel infrastructure (light blends or heavy blends) and into vehicles (light duty or heavy duty applications). Performance of methanol FFVs—i.e.,
Tripling US new light-duty vehicle fleet fuel efficiency by 2035 through evolutionary change—e.g., In short, attaining or even approaching the fuel efficiency horizon projected here will yield substantial benefits for reducing oil consumption and limiting GHG emissions from the transportation sector. Source: DeCicco 2010.
A higher compression ratio can be used if an engine will operate primarily at light loads, such that degraded efficiency at high loads is more than offset by improved efficiency at light loads. The compression ratio selected for a particular engine depends, the authors note, on the expected duty cycle and fuel octane.
3 B-Cycle gasoline engine is the first example of Volkswagen’s “Rightsizing” strategy—an engine development strategy that looks to for the optimal balance of displacement, output, torque and efficiency based on vehicle class and real-world operating conditions, rather than just seeking to downsize. Third, the EA888 2.0TSI Gen.3
A new stage in the PSA Peugeot Citroën Group’s downsizing strategy, this new generation of engine block delivers a reduction of fuel consumption and CO 2 emissions, while offering a good level of performance for the entry-level versions. The 208 also introduces a new range of 3-cylinder gasoline engines, 1.0- mpg US or 4.3 208 gasoline range.
This downsizing enables lower fuel consumption, accompanied by low emissions and optimum weight. This results in faster heating-up of the oil, therefore minimizing frictional losses after cold starting. Charging takes place at all times via a two-stage exhaust-gas turbocharger system.
A comparison of the benefits of two different cylinder deactivation operating strategies for downsized 3-cylinder engines such as the 1.0L Even for an aggressively downsized engine such as the 1.0-liter The largest difference proved to be in cost. Schamel et al. Click to enlarge. Earlier post.). — Schamel et al. Click to enlarge.
The clean-sheet design features multiple innovations that reduce friction, contributing to a 13% improvement in fuel efficiency, including: A 10 mm offset crank design that minimises piston side-load, reducing rubbing forces against the cylinder walls of the downsized four-cylinder iron block. Minimized crankshaft bearing diameters.
Fiesta features Twin Independent Variable Camshaft Timing (Ti-VCT) ( earlier post ) which allows the engine to be downsized for fuel economy while continuously optimizing camshaft phasing for throttle response, performance and flexibility. The block, cylinder head and oil pan—traditionally the heaviest engine components—are aluminum castings.
From the top-of-cab solar panels powering its battery and interior lights, to its ultra-light aluminum frame and highly advanced 425 horsepower 11-liter proprietary engine, the SuperTruck concept vehicle allowed Volvo engineers to push the boundaries of heavy truck efficiency. Click to enlarge.
This has resulted in higher catalyst loading per volume of substrate and led to downsizing of systems from those available in 2010. New substrates are designed with thinner walls or higher porosity, which allows the coating of better catalysts without sacrificing durability.
To keep the engine oil clean, the intake system creates a syphon which draws carbon vapors away from the crankcase allowing for 10,000 miles between oil changes similar to aspirated engines. Package efficiency improvements include downsizing the Power Control Unit (PCU) with a double-sided inverter cooling system.
The new high-powered TDCi diesel engine follows the downsizing trend we’ve led with our EcoBoost petrol technology. The sophisticated technology combines full-LED headlamps offering daylight-mimicking light clarity with Ford’s Adaptive Front Lighting System that adjusts the headlight beam angle and intensity to match driving environment.
Ford’s turbocharged, gasoline direct injection EcoBoost engines are targeted to play a significant near-term role in Ford’s efforts to reduce fuel consumption by enabling downsizing. Minimize smoke emissions and fuel liner impingement for low oil dilution, to ensure engine durability. port fuel injected (PFI) V8 engine. Earlier post.).
On the diesel side—now available solely as BlueTEC units with SCR aftertreatment technology) , the focus is on downsizing and the new version of the V6 CDI engine. Friction-optimized bearings and new transmission oil thermal management also help reduce fuel consumption. BlueTEC diesel units. In the ML 250 BlueTEC 4MATIC, the 3.0-liter
Despite its efficiency, the Golf TSI BlueMotion with the 85 kW / 114 hp downsized 999 cc EA211-series engine reaches 100 km/h in 9.7 In addition, the engine has a map-controlled oil pump that only draws as much power as required at the specific operating point. seconds and goes on to a top speed of 204 km/h (127 mph). l/100 km.
Bubble chart of plausible mainstream PHEV buyers’ battery requirements (light and dark gray circles) and experts’s requirements overlaid on a Ragone plot of NiMH and Li-ion batteries. Source: Ken Kurani. Click to enlarge. or below; advanced accessories; and a mild hybrid drivetrain. times as much.
In spite of efforts to reduce the fuel consumption of light-duty and heavy- duty vehicles and to develop biomass-derived fuels, petroleum will remain the primary source of light-duty and heavy-duty vehicle fuel for many years to come. Finding 3-7. Two of the project teams (Cummins, Inc. and Daimler Trucks North America, LLC.)
Because the high-voltage battery is both power and energy dense, engineers were able to use the downsized gasoline engine to maximize fuel economy and reduce emissions. Also adding to the equation is a new electric water pump and a new electric oil pump, which help improve overall fuel economy. A compact and lightweight 1.56-kWh
The second-generation hybrid system has been thoroughly enhanced from its predecessor: The downsized GDI engine features an aluminum block and head, a compression ratio of 13.5:1, The 6-speed AT features a high-voltage electric oil pump for improved efficiency. The new system features increased regenerative energy capture (+11.3%).
Continuing Opel’s strategy of downsizing, a new 103 kW/140hp 1.4 A die cast, structural aluminum oil pan adds further stiffness and provides further noise reduction. The coolant thermostat and the oil pump are electronically controlled to improve engine heat up. Under-skirt piston oil cooling is a further addition.
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