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However, during development, the project team was able to exceed the program expectation for engine-out NO x and exhaust temperature control in the catalyst warm-up mode and concluded that the tailpipe NO x targets can be met without the close coupled light-off SCR. Source: Achates Power.
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.
In a US Department of Energy (DOE)-sponsored project, engineers at Cummins are developing a Tier 2 Bin 2 emissions compliant diesel for application in a light duty pickup (ATLAS, Advanced Technology Light Automotive Systems, earlier post ). US Light Duty Diesel Emission Standards (full useful life: 150,000 miles).
One of its outstanding features is the in-line six, which meets the EU Stage V emission standard for locomotives without the need for an exhaust after-treatment system (EATS). The MAN D3876 LE63x meets EU Stage V for locomotives without the need for exhaust after-treatment systems.
By using light-activated quantum dots to fire particular enzymes within microbial cells, the researchers were able to create “living factories” that eat CO 2 and convert it into products such as biodegradable plastic, gasoline, ammonia and biodiesel. Therefore, these resting cells function as nano-microbial factories powered by light.
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.
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. The four-cylinder TDI engine with the internal designation EA 288 made its debut in 2012. As previously, the 2.0
IAV has developed a particularly closed-coupled diesel exhaust gas aftertreatment (EAT) system. A key contribution to this performance must come from the exhaust gas aftertreatment system—across the entire speed and load range. This way, exhaust gas flows through DOC and SCRF before it enters the turbine.
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. Resources. ????
Exhaust cooling starts with the computer-optimized exhaust valve shape and is further enhanced by the integrated exhaust manifold and cylinder head design that uses the same water jacket to lower exhaust gas temperature entering the turbochargers to further improve reliability and performance.
Below this GVW the technology has already been acquired by Valeo as a supercharger for cars and light commercial vehicle applications. The design specification provides a peak shaft power of 5.6 Unlike a turbocharger, Cobra is not dependent on the exhaust gases flowing to do its work. tonnes gross vehicle weight. Earlier post.)
Tritium, a global developer and manufacturer of DC fast chargers for EVs, and Miller Technology , a supplier of mobile mining equipment for safety and productivity, are partnering to provide fast chargers and light-duty battery EVs for the mining industry. —Paul Summers, Miller Technology’s Lead Battery Electric Vehicle Engineer.
Extensive modifications to the drive, chassis, design and equipment will provide the hallmark AMG driving experience with all-electric drive. The power of the electric motor is applied immediately with full torque, a characteristic of the design. The system is designed to ensure even heat distribution in the battery.
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. Earlier post.) This announcement follows GMZ’s June 2014 demonstration of its 200W diesel TEG.
The backhoe loader is perfectly suited for electrification as the varied use cycles, from heavy to light work, provide an excellent opportunity to convert wasted diesel engine hours into zero consumption battery time—yet provide the operator with instantaneous torque response when needed.
The application of GM’s Active Fuel Management (AFM) cylinder deactivation system is the first on Corvette; it shuts down half of the engine’s cylinders in light-load driving. The LT1 camshaft design is based on the LS3’s cam tuning (14mm gross intake lift) and offers 62 crank degrees of cam phasing authority.
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.
Techrules, a China-based automotive R&D company ( earlier post ) is unveiling the final production design of its Ren RS series-hybrid supercar at the 2018 Geneva Motor Show. The modular chassis design permits a variety of powertrain configurations to provide the range and performance capabilities required by the customer.
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. With D-EGR, one or more cylinders have their exhaust connected directly to the intake system. Overall, the engine offered a 13.1%
They then designed a quasi-static thermodynamic model of an Organic Rankine Cycle (ORC) optimized to fit the prototype vehicle. On the other hand, it is well known that in an internal combustion engine up to 35% of the energy developed by the fuel combustion is dissipated in the exhaust gases. Exhaust gas exergy map of EcoCAR engine.
engine include a compacted graphite iron engine block that increases peak cylinder pressure capability; and a new cast-iron cylinder head containing high-temperature capable exhaust valves actuated by all-new hydraulic lash adjusters in the block eliminating the need for valvetrain adjustment service intervals.
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. A variable cooling system, variable oil pump and a cooled exhaust gas recirculation (EGR) system all contribute to the engine’s high thermal efficiency and outstanding fuel economy.
An integrated exhaust manifold that is part of the cylinder head assembly and recovers exhaust heat for faster engine and transmission warmup, with quicker turbo response. Turbo engine represents a clean-sheet design for Chevrolet and was developed from the outset as a truck engine. inches (102 mm). All elements of the 2.7L
The exhaust manifold is integrated into the cylinder head—the foundation for the high-performance thermal management system. The show car is also designed for use with Audi Wireless Charging technology for contactless inductive charging. The cockpit displays the time remaining when waiting for the light to turn green.
The Chevrolet Menlo has adopted the athletic design of the Chevrolet FNR-X all-purpose sports concept vehicle. Its new-generation design language was inspired by the Chevrolet FNR-CarryAll concept SUV. It features an innovative split headlight design, front and rear LED lights, and dynamic dual exhausts.
The characteristics of the engine include the stepped-bowl combustion process, two-stage exhaust turbocharging as well as the use of CAMTRONIC variable valve timing. This heats up the exhaust system without driving up fuel consumption. It is designed to send 40% of the drive torque to the front axle and 60% to the rear axle.
Compared to new diesel engines, the Delphi team found that BSFC for GDCI at light loads was comparable or better, and at high loads was about 5% higher. Due to the lower exhaust enthalpy of lower temperature engines using PPCI, it is difficult to produce intake boost with acceptable boost system parasitis. Click to enlarge.
ECO: Improves hybrid system efficiency by limiting power in response to light to moderate accelerator pedal input. Brake Hold also comes standard, when engaged it is a convenient technology that reduces driver effort while waiting at a traffic light or while driving in heavy traffic. The 2ZR-FXE 1.8-liter
By harnessing its low carbon content, bio component and high octane number (RON 100), the new alternative fuel emits up to 3% less in CO 2 exhaust emissions quantified using the new Worldwide Harmonized Light Vehicle Test Procedures (WLTP).
Its turbocharger with variable turbine geometry makes optimal use of the exhaust gas energy for early and harmonious torque development. With its abbreviated compression phase and long expansion phase, it was designed specifically for operation at partial load. Operation with the knock-resistant fuel CNG enables a higher 12.5:1
This next-generation concept truck features a custom, aerodynamic design and aims to demonstrate improvements in fuel economy for Class 8 trucks. Bespoke design, elongated flaps fit. Starship uses full synthetic Shell Heavy Duty Engine Oil; Shell Rotella DEF Diesel Exhaust Fluid and Shell ROTELLA Extended Life Coolant; and.
six-piston) light-duty version of its opposed piston engine (OPE) in both diesel- and gasoline-fueled versions. Achates will demonstrate the engine in 2018 in a driveable light-duty truck. The light-duty engine is a “basic” Achates opposed piston 2-stroke engine, said Redon—i.e., liter, 3-cylinder (i.e.,
Until now, turbulent fluctuations in the exhaust gas stream have not been fully understood as one of the major sources of noise. We were able to use this experiment to identify specific flow and density structures that cause some of the noise in the engine exhaust stream. —Andreas Schröder.
With a five-belt rolling road system designed for production vehicle development and a second single wide-belt system for testing both high-performance sports cars and purpose-built race vehicles, the tunnel can generate wind speeds of more than 190 miles per hour. 5-Belt Aerodynamics Testing.
The e-catalyst enables lowest emissions in real operation—something that is becoming increasingly important in light of forthcoming regulations such as Euro 7. If it is required and restarted, the exhaust flow is also cold at first—possibly too cold to convert pollutant gases in the catalyst.
liter EcoBoost V6 features an entirely new design. Previous engine block design choices were high strength or compact or lightweight. liter EcoBoost and design an engine with compact structure and high strength and light weight. All-new aluminum cylinder heads feature water-cooled integrated exhaust manifolds.
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.
Drive Modes will also adjust Fiesta ST’s Electronic Sound Enhancement (ESE) technology and active exhaust noise control valve. Performance is further boosted by a new turbocharger that uses an optimized turbine design to build boost pressure faster and minimize lag for a more responsive and fun driving experience.
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. The solution is a new, high-efficiency pump designed by Delphi Technologies.
Using Argonne National Laboratory's high performance computing for computational fluid dynamics (CFD) modeling, Solar Turbines will improve the performance of an Exhaust Gas Recirculation (EGR) carbon capture system designed for small industrial turbines. Dow Chemical. Siemens Energy.
ECO mode: Improves hybrid system efficiency by limiting power in response to light to moderate accelerator pedal input. Brake Hold, when engaged, is a convenient technology that reduces driver effort while waiting at a traffic light or while driving in heavy traffic. Stopping the Corolla Hybrid. The engine. The 2ZR-FXE 1.8-liter
The new powertrain is designed to meet strict future emissions requirements through the use of an innovative oxidation catalyst/NO x adsorber coupled with Selective Catalytic Reduction (SCR). The NO x adsorber acts as a cold start catalyst, reducing NO x emissions at temperatures below the SCR light-off. l/100 km, extra-urban 3.9-3.8
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. Lightweight pistons have a carefully optimized skirt design to minimize reciprocating mass, and reduced weight minimizes vibration and increases operating efficiency.
Badged P300e, both the new Range Rover Evoque and Land Rover Discovery Sport plug-in hybrids are based on Land Rover’s Premium Transverse architecture, which was designed from the outset to accommodate plug-in and mild-hybrid technologies while maintaining Land Rover’s signature off-road capability. Range Rover Evoque PHEV.
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