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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 Cummins made extensive use of aluminium as well as space-saving design features for new engine weight control.
Further, at low loads, the ESTEC engine improves fuel consumption by 11% in the JC08 mode. Improving the vehicle fueleconomy is a must due to the climate change and energy issues. The combination of these (with the modified exhaust manifold producing the bulk of the recovery), brought torque up to 105 N·m.
At the recent 2013 SAE World Congress, engineers from Bosch and AVL presented papers on progress in the ACCESS project, describing the design, combustion development and controls development for a resulting 4-cylinder gasoline turbocharged direct injection (GTDI) engine with part-load HCCI capability. Earlier post.). —Wheeler et al.
In addition to highway fueleconomy estimates that are 2 mpg higher than a 2013 Ford V8 pickup equipped with a 5.0L 2WD Pickup truck fueleconomy comparisons. In addition to highway fueleconomy estimates that are 2 mpg higher than a 2013 Ford V8 pickup equipped with a 5.0L Fueleconomy.
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. 1 compression ratio and uses 91 octane premium fuel.
In both versions it unites various advanced technologies: additional indirect injection supplementing the direct injection of the FSI; the Audi valvelift system (AVS) to adjust the valve stroke on the exhaust side; and thermal management, which uses a rotary valve module and an exhaust manifold integrated into the cylinder head.
Chrysler Group is offering fuel-saving Engine Stop-Start (ESS) technology as standard equipment on certain models of the award-winning 2015 Jeep Cherokee mid-size SUV and 2015 Chrysler 200 mid-size sedan. ESS accounts for a one-mpg city-cycle fuel-economy gain in the Ram, the most fuel-efficient truck in its segment.
liter V-6 EcoDiesel is also expected to lead the segment on fueleconomy. Pricing and fueleconomy ratings will be announced closer to the truck’s on-sale date. liter EcoDiesel V-6 delivers increased torque and horsepower, along with fueleconomy and minimal levels of noise, vibration and harshness (NVH).
The 2015 CR-V features increased EPA fueleconomy ratings of 27/34/29 mpg (8.7/6.9/8.1 liter engine has a lighter-weight die-cast aluminum cylinder block with a main-bearing single cradle design that creates a rigid assembly to help minimize noise and vibration. an increase in the combined rating of 11.5% Click to enlarge.
Stack-designed cylindrical TEG, built with TE cartridges, developed for LDVs in first project. 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. Click to enlarge.
1, and the engine is designed to run on 98 RON gasoline. Split, parallel, cross-flow cooling with integrated exhaust manifold. Cycle-based CAE analysis of fueleconomy contribution of critical technologies. Earlier post.). This works out to about 240 hp and 260 lb-ft of torque, Weaver said. mm; compression ratio is 11.5:1,
Key advances for Gen 3 are in weight reduction, friction reduction, and the internal exhaust cooling system. Improvements contributing to this better fueleconomy come from many areas. While the actual fueleconomy varies by model, the Jetta equipped with the 1.8T Integrated exhaust manifold with cooling.
Ford says the engine can deliver up to 15% better fueleconomy than comparable six-cylinder engines. Featuring a twin-scroll turbocharger and a three-port integrated exhaust manifold (IEM), the 2.3-liter Class-exclusive Active Grille Shutters are designed to help improve MKC fuel efficiency at highway speeds.
Volkswagen has developed and deployed a gasoline engine that offers diesel-like fueleconomy but is significantly cheaper to buy. TSI ACT BlueMotion delivers 96 kW / 130 PS with combined fuel consumption of 4.8 Currently applied in the new Golf and Golf Variant ( earlier post ), the 1.5 l/100 km (49 mpg US).
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. This placement allows for rapid warm up and greater thermal management of the exhaust stream, increasing efficiency. 1 for the Golf R and 9.6:1 1 for the GTI.
The cylinder head features an integrated exhaust manifold that separates the inner and outer pairs of cylinders into each inlet passage to the turbo. Keeping the exhaust pulses separated from the next cylinder in the firing order eliminates mixing losses and maximizes pulse energy to the turbine wheel. Larger exhaust valves.
Toyota estimates that the 2019 Avalon Hybrid will boost fueleconomy by up to 10% over its MY 2018 predecessor, from 40 mpg (5.88 liter four-cylinder Dynamic Force Engine is more fuel efficient, runs cleaner, and is more powerful than previous iterations, and excels at dissipating thermal inefficiencies. l/100 km) combined.
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.
An eight-speed automatic transmission is standard and is designed to handle the increased torque output. FCA US engineers adapted the engine—designed and manufactured by FCA EMEA —to meet the NAFTA region’s regulatory requirements. Body-on-frame design. Transmissions. 1 crawl ratio.
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. The EPA combined fueleconomy rating is 44 mpg. The upgraded hybrid system improves acceleration and mid-range power.
design language, stiffer body structure, better ride quality, reduced noise, vibration and harshness and advanced safety and convenience features. Friction reduction measures include a revision of the piston pin from a fixed-type to a full-floating design which cuts down on friction between the piston and cylinder wall. Theta II GDI.
GMZ Energy, a market leader in the development of high-temperature thermoelectric generation (TEG) solutions, has successfully demonstrated a 1,000W TEG designed for diesel engine exhaust heat recapture in a Bradley Fighting Vehicle. GMZ is targeting a fueleconomy improvement of 5%. Earlier post.) Click to enlarge.
The ISX12 G features the same stoichiometric cooled Exhaust Gas Recirculation (SEGR) combustion technology, spark ignition and simple Three-Way Catalyst (TWC) aftertreatment as the Cummins Westport ISL G engine. The new engine and transmission combination has been designed specifically to work smarter to maximize fueleconomy benefits.
In the previous model, some of the gasoline engines were mounted with a forward tilt of 10 degrees, and their exhaust side faced the radiator grille, while the exhaust side of the TDI engine faced the bulkhead. mm) is an entirely new engineering development that was systematically designed for low efficiency losses.
The analysis used the Ohio State University EcoCAR, a student prototype PHEV, as the basis for the preliminary fueleconomy evaluation. They then designed a quasi-static thermodynamic model of an Organic Rankine Cycle (ORC) optimized to fit the prototype vehicle. Exhaust gas exergy map of EcoCAR engine. Skarke et al.
US EPA fueleconomy estimates are not yet available, however, other models equipped with this engine have seen a 25 – 30% improvement in fuel efficiency over their direct gasoline-powered counterparts. With a weight-saving aluminum block and head designs, the 3.0-liter It is mated to an 8-speed automatic transmission.
The expected fueleconomy ratings will deliver the highest driving range on one tank of fuel yet for Gladiator. There are more than 40 individual shift maps to optimize shift points for fueleconomy, performance and 4x4 capability. 1 to improve fueleconomy and reduce engine noise. axle ratio.
liter, four-cylinder engine of the new CLA 250 is a member of the BlueDIRECT family of gasoline engines, and was first applied in combination with exhaust-gas turbocharging and external high-pressure exhaust gas recirculation in the E 250 Coupé introduced last year ( earlier post ). (It Source: Vent et al. Click to enlarge.
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. Bespoke design, elongated flaps fit.
The design specification provides a peak shaft power of 5.6 Cobra shares many elements of its design with CPT’s turbine integrated gas exhaust recovery system known as Tigers ( earlier post ), which is currently under development for installation next year in a technology demonstrator part funded by the UK Technology Strategy Board.
Excess heat and pressure from the exhaust gas are recaptured by the turbo-compound unit. The Volvo integrated driveline then uses extreme downspeeding to maintain road speed at lower RPM, saving even more fuel. The enhanced system includes an updated wave piston design that offers a higher compression ratio of 18.1.
for XSE grade, which uses a dual-outlet exhaust). Most AWD grades have 202 hp, while the Camry XSE AWD grade has 205 hp with dual exhaust. The Camry’s four-cylinder engine uses a very high compression ratio (13:1) and Toyota’s innovative D-4S fuel injection, which employs both direct injection and additional port injectors.
The 170 hp engine has been developed with fueleconomy, high low-end torque and elasticity in mind, while the performance of the 200 hp unit makes it the benchmark in its class. Two different pistons have been designed for the Eco and Performance Turbo engines. The new engine family comprises a 1.6 Turbocharging.
Do they receive HOV access for their improved fueleconomy and ultra low emissions? In fact in 6 of the states, diesel fuel is penalized with additional state taxes. So diesel fuel gets taxed twice or penalized twice at the federal and state level. Changes in the exhaust manifolds and turbo from Gen 1 to Gen 2.
The advanced design places the exhaust inside the engine’s V-shape while the air intake is positioned on the outside of the V. This segment-exclusive design naturally improves a variety of attributes: Shorter airflow from the exhaust system to the turbocharger sitting between the engine’s cylinder banks improves turbo responsiveness.
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 vehicles feature the fuel-efficient Atkinson-cycle engine, as well as a cooled Exhaust Gas Recirculation (EGR) system to further improve engine efficiency. Not only is friction loss reduced, coolant flow rate can be very precisely controlled, contributing to improved fueleconomy.
The 2016 Pilot, launching at Honda dealerships nationwide this summer, is the third generation of Honda’s three-row midsize SUV to be designed, developed and manufactured in the US. For improved fuel efficiency, the 2016 Pilot will also include a stop start feature—Honda’s first non-hybrid application of this technology.
Depending on the application, the redesigned V-6 delivers fuel-economy improvements of more than 6% while increasing torque more than 14.9%. The system is designed to remain mostly in low-lift mode until the customer demands more power; then it responds by switching to high-lift mode for improved combustion. Click to enlarge.
The defect leads to lower fueleconomy, non EPA-compliant emissions levels, and costly and frequent vehicle repairs, the complaint charges. When the SCR system breaks down, the filter gets clogged, requiring more fuel to be injected to burn it off, according to the complaint.
In a paper presented at the 2019 Vienna Motor Symposium this week, Delphi Technologies will unveil a new 500+ bar GDi system that can reduce particulate emissions by up to 50% compared to state-of-the-art 350 bar system without expensive engine design modifications. Delphi 500+ bar GDi pump. —Walter Piock.
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%. The undertook a design effort to package practically the two devices and two coolers into a vehicle. Click to enlarge.
EcoBlue diesel to deliver an EPA-estimated fueleconomy rating of at least 30 mpg (7.8 liter EcoBlue diesel engine fueleconomy estimates are expected in early 2019. EcoBlue diesel engine is designed to deliver higher power for improved performance, alongside reduced CO 2 emissions. Ford is targeting the 1.5L
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