Audi represents Vorsprung durch Technik. That means thinking today about the future of mobility. But it’s not just a question of design or performance – it’s also a question of how to power our cars to get from A to B. And from today to tomorrow.


We are pushing forward innovations in this area: not simply by building efficient engines, but also by developing alternative drive and mobility concepts. By also seeking inspiration from nature for new sources of power that allow us to travel new paths. An innovative contribution to this goal is made by our Audi g-tron models – in combination with Audi e-gas. One example is the Audi A5 Sportback g-tron1: 80% less CO2/km with Audi e-gas technology purely in gas mode (CNG) on a well-to-wheel assessment (a calculation of emissions that includes both the production of fuel and the running of a vehicle) compared with the Audi A5 Sportback 2.0 TFSI2with 140 kW. As a g-tron customer, you can refuel as usual at any CNG filling station. AUDI AG ensures that the total amount of gas consumed by the vehicle, calculated on the basis of legal standards for measuring fuel consumption and emissions as per NEDC/WLTP and statistical data on the annual mileage of Audi g-tron models that were ordered during the period 7 March 2017 to 31 May 2018 is replaced by Audi e-gas – for a period of three years after first registration as a new vehicle (the amount of CO2 saved is also calculated on this basis and may be lower in actual practice when running the vehicle). The Audi e-gas is fed into the European natural gas network, replacing fossil natural gas.


Another step towards our vision of premium carbon-neutral mobility.

With the Audi g-tron models and Audi e-gas as fuel from our own production sites and from partner facilities, the approach we are taking for our drive solutions isn’t just a matter of efficient engines, but also of the ecology of the entire energy system. A matter of enabling mobility that’s innovative before the vehicle has even driven a single metre. That’s the idea behind “Vorsprung starts before you drive”. And behind the combination of Audi g-tron and Audi e-gas. Find out more about our holistic drive concept here.

Audi e-gas is a fuel that we developed in our own production facilities. It is made using renewable energy sources, water, CO2 and waste materials. Various processes are used to extract CO2 from the atmosphere, which is then converted into Audi e-gas by biomethane and power-to-gas plants. The power-to-gas plants split water into hydrogen and oxygen exclusively using renewable energy. The oxygen is released into the air and the hydrogen reacts with CO2from the biomethane plant to form methane: our Audi e-gas. The biomethane plants demonstrably only use waste materials in which CO2 is also bound. This gives Audi e-gas an important advantage: the exact overall amount of CO2 that is emitted by the vehicle according to standard consumption is bound in the fuel. The additional CO2 emissions generated by the construction of the fuel plants, transport and compression of the fuel at filling stations are included, so that on an overall assessment CO2 emissions can be reduced by 80%3. That means we don’t just focus on efficient fuel consumption, but also on the production of the fuel itself.


Back in 2013, Audi commissioned the world’s first industrial-scale power-to-gas plant: the Audi e-gas plant in Werlte. For the first time, large quantities of fluctuating energy generated from wind and solar power could be stored in the natural gas grid on a long-term basis. Very effective, because the expansion of fluctuating energy sources like wind means that it’s increasingly common for excess power to be generated. The power-to-gas process makes use of this excess power as fuel for mobility, which is why we believe the Audi e-gas project can be a crucial element and driver of energy transition.


Alongside this solution for the g-tron fleet, we are also working to develop other synthetic liquid fuels that could have a potential to reduce CO2 that is similar to Audi e-gas. We call them Audi e-fuels. One example is Audi e-benzin, which is currently under development – and is already being tested in our Audi models.

Article source: www.audi.com

 

Even more distinctive, sportier and faster: The new Audi Sport Performance Parts take dynamic handling to a wholly new level for the Audi R8 (combined fuel consumption in l/100 km: 12.3 – 11.4*; combined CO2 emissions in g/km: 287 – 272*) sports car and the Audi TT. The retrofit range will be available in dealers in late summer 2017 and features numerous components.

“With the Audi Sport Performance Parts we are tapping into a new business segment,” says Stephan Winkelmann, Managing Director of Audi Sport GmbH. “Our wealth of experience garnered over many years of building sports cars is incorporated into every component we offer. Along with our expertise from motor racing, which is still the best test bed for volume production.”

As part of the sales launch of the retrofit range in late summer 2017, the product lineup will initially be available in Germany and other markets for the current Audi R8 and Audi TT models (TT, TTS [combined fuel consumption in l/100 km: 7.5 – 6.7*; combined CO2 emissions in g/km: 173 – 155] and TT RS [combined fuel consumption in l/100 km: 8.5 – 8.2*; combined CO2 emissions in g/km: 194 – 187*]) only. Additional model series will follow gradually. The Audi Sport Performance Parts cover four areas to date: suspension, exhaust system, exterior and interior. 

For suspension requirements, the range covers sport brake linings, which are more powerful and less prone to fading than standard brake linings. Linings are available for steel discs and for the optional ceramic brakes. Their carrying plates are painted in fluorescent red and are made out of ultralight titanium on the Audi R8, making this model a kilogram (2.2 lb)lighter overall.

Steel front brake discs with multiple bolt mountings are available for the Audi TT RS. Various brake cooling kits can be obtained for the Audi TT, TTS and TT RS. They help the compact athlete achieve even better braking performance.

A two- or three-way coilover suspension is available for the Audi TT models and both Audi R8 variants. The fully milled, black 20-inch wheels – for all R8 and TT models too – are also taken straight from motor racing. They reduce weight by up to 7.2 kilograms (15.9 lb) on the Audi TT and up to 8 kilograms (17.6 lb) on the Audi R8. The associated sport tires come in the sizes 245/30 R20 (R8, front) and 305/30 R20 (R8, rear); 255/30 R20 tires are fitted all round on the Audi TT. For the TT coupés with quattro drive, the retrofit range includes a cross-member reinforcement bar on the rear axle. It improves rigidity and makes handling even more precise. Audi TT RS owners can also subsequently increase their car’s top speed to 280 km/h (174.0 mph).

The specialist supplier of exhaust systems, Akrapovic d.d., has designed a sonorous, ultralight muffler made of titanium including trims specifically for the Audi TTS and the Audi TT RS. 

The most spectacular offers in the Audi Sport Performance Parts are the Aero kits, which were developed in the Audi wind tunnel. For the Audi R8 and the Audi TT they add clear-cut highlights on the front air inlets, the side sills and the diffuser. They also substantially improve downforce: On the Audi R8 the downforce is 250 kg (551.2 lb) at 330 km/h (205.1 mph), an increase of over 100 kg (220.5 lb). The effect at 150 km/h (93.2 mph) is even more pronounced – the downforce is doubled at this speed to 52 kg (114.6 lb) thanks to the Aero kit. There is also a splitter and flics at the front as well as a large fixed rear wing. An engine hood with large air vent is also available for the Audi TT. All parts are made out of carbon fiber-reinforced polymer (CFRP) for the Audi R8 and for the Audi TT out of CFRP and plastic; all of them feature the Audi Sport logo. 

Attractive parts for the interior round off the range. A sport contour steering wheel with multifunction plus is available for the Audi R8 and for the Audi TT; its Alcantara-trimmed rim features a red 12 o’clock marking. CFRP shift paddles are available for the models fitted with seven-speed S tronic. Audi Sport has developed a strut cross brace specifically for the TT – also made out of CFRP. It replaces the rear seats, reduces the weight by some 20 kilograms (44.1 lb) and enhances the torsional rigidity. The brace improves handling particularly when cornering at speed.

Article source: www.audi.com

Range-wide adoption of 48-volt circuitry as a primary electrical system opens up multiple electrification possibilities for all-new A8 luxury saloon

  • Luxury saloon available for first time with standard electrified powertrain
  • 48-volt primary electrical system opens up fresh scope
  • Flagship model making world debut at the Audi Summit in Barcelona on July 11

The all-new Audi A8 range which makes its debut next month will be the first in the brand’s history to feature an electrified drivetrain as standard, representing another important milestone on the e-mobility pathway. The combustion engines powering the next generation of the flagship luxury saloon will be equipped with mild hybrid technology based around a 48-volt electrical system which features as the primary electrical system for the first time. The technology will work in favour of the running refinement and performance that are so crucial at this level, and also in the interest of greater efficiency.

The mild hybrid drive comprises two main components: first, the watercooled 48-volt belt alternator starter (BAS), which complements the conventional pinion starter. The latter is only required for cold starts in the new Audi A8. Then there is the lithium-ion battery in the luggage compartment to act as the energy accumulator for the MHEV (mild hybrid electric vehicle) with a 10 Ah charge carrier capacity and a 48-volt system.

The advantage of the BAS becomes particularly clear when the driver approaches a red traffic signal or a roundabout. If the traffic signal turns green during braking while the vehicle is coasting to a stop or if a gap appears for the driver to move into, and the driver releases the brake, the combustion engine is started immediately. The car accelerates without any delay. This is all thanks to the belt alternator starter, which is permanently connected to the combustion engine. The new drive combines efficiency with comfort in a very special way: The fourth-generation A8 can enter the noiseless coasting mode within the speed range of 34mph to 99mph, and can then coast with zero emissions for up to 40 seconds with the engine off altogether. As soon as the driver depresses the throttle pedal again, the BAS prompts a swift, very smooth restart. In addition, start/stop operation is actually active from 14mph.

The convenient start/stop function in the new Audi A8 differs markedly from previous systems. The high-connectivity luxury saloon can distinguish between different traffic situations. When the road ahead is clear, the BAS starts the combustion engine conveniently and promptly, letting the Audi A8 drive off swiftly. After long standstill phases and if the customer wants to turn up the air conditioning, the combustion engine is started extra-smoothly and quietly. There is the new feature of predictive convenient starting: As soon as the vehicle in front of the Audi A8 moves, the engine starts even if the brake is still pressed. In this scenario the control strategy concludes that the driver will fall in with the flow of traffic.

Recuperation in multiple scenarios

To achieve the high standard of efficiency, the new Audi A8 comes with sophisticated powertrain management: It processes both route data and information from its highly networked set of sensors, which include the front camera. The powertrain management uses this equipment to decide whether the A8 is in coasting or recuperation mode. It recovers energy not just from brake applications or when coasting; the Audi A8 also does so if it is in danger of getting too close to a preceding vehicle while coasting. All these measures are beneficial not just to comfort, but also at the fuel pumps: In the A8, the mild hybrid drive reduces fuel consumption during customer operation by up to 0.7 litres per 100 kilometres (62.1 miles).

The new Audi A8 makes its world debut at the first Audi Summit in Barcelona on July 11. Further information on powertrain development at Audi is available at www.audi-mediacenter.com/en/techday-combustion-engine-technology.

Article source: www.audi.co.uk

One of Audi’s goals is to increase the efficiency of its vehicles without compromising on traction and driving dynamics. Engineers are therefore looking for savings potential in all technology areas. They found what they were looking for with the quattro permanent all-wheel drive.

Longitudinally mounted engine at the front, transversely mounted engine at the front, mid-engine at the rear – the Audi models adopt very different drive concepts and provide the right quattro drive for each model. For the very latest mid-sized model lines with longitudinally mounted engine, quattro is now available with ultra technology. If the automobile is being driven at moderate speed and the all-wheel drive does not offer any advantage, the new system simply drives the front axle. If the quattro drive is then actually required, it is activated in two stages – as part of a predictive, responsive process.

Control of the new quattro drivetrain operates predictively. Networked throughout the vehicle, it acquires and evaluates data – in ten millisecond cycles – such as the steering angle, transverse and longitudinal acceleration and engine torque. From this data the control unit computes, for instance, the point at which the front tire on the inside of the curve will reach its grip limit during fast cornering; it computes this around one-half second in advance. If the wheel approaches the grip limit at a defined threshold value, the all-wheel drive system is activated.

The control unit’s decision on whether to predictively engage the all-wheel drive is primarily based on the driver’s style of driving, the status of the Electronic Stabilization Control (ESC) and the mode selected in the Audi drive select system. In the reactive engagement, the system reacts to sudden changes in road friction. These changes might occur, for example, when the wheels go from dry asphalt to a sheet of ice.

The quattro with ultra technology offers major benefits in terms of efficiency without seeming any different from permanent systems in terms of traction and driving dynamics. The key difference to competitor solutions relates to the concept of the two clutches in the drivetrain. In this way, Audi eliminates a large part of the additional fuel consumption which the quattro drive produces by its very nature. Despite the new, additional parts, the quattro with ultra technology is nearly four kilograms lighter than the previous system.

Article source: www.audi.com

Fastest ever series-production Audi convertible joins the R8 line-up alongside the popular V10 plus Coupé

  • New R8 Spyder V10 plus will open for UK order later this month priced from £147,470 OTR
  • High revving, naturally aspirated V10 produces 610PS at 8,250rpm and 560Nm of torque at 6,500rpm
  • 0-62mph in just 3.3 seconds and a 203mph top speed
  • Exceptionally high levels of standard equipment include a Performance driving mode, R8 bucket seats, ceramic brakes and carbon components inside and out
  • Multimaterial Audi Space Frame (ASF) with aluminium and CFRP weighing just 208 kg and with unsurpassed rigidity
  • 25kg lighter than the Audi R8 V10 Spyder (dry weight: 1,587 kilograms, unladen weight (without driver): 1,695 kilograms)
  • Powered hood opens or closes in just 20 seconds, at speeds up to 31mph
  • UK ordering opens at the end of this month

The most powerful Audi engine ever destined for series production is about to raise the tempo in what is already one of the most intoxicating driving machines offered by the brand – the open-air, high intensity R8 Spyder is to adopt the gloriously vocal 610PS V10 from the R8 V10 plus Coupé. The new R8 Spyder V10 plus is capable of 0-62mph in a mere 3.3 seconds and a top speed in excess of 200mph, spurred on by its significant 70PS power advantage, and by a significant 25kg weight reduction, versus the ‘standard’ V10 Spyder.

Set to become available to order in the UK later this month, the R8 Spyder V10 plus will be priced from £147,470 OTR, and will feature a standard specification list that reflects the sporting credentials and premium positioning of this high-performance flagship.

Highlights include R8 bucket seats, liberally applied carbon fibre-reinforced polymer components inside and out, ceramic brakes, the R8-specific Audi Virtual Cockpit and the option of an exclusive micrommata green paint finish for an even more cutting-edge look. “The Audi R8 Spyder V10 plus completes the R8 model line,” said Stephan Winkelmann, Managing Director of Audi Sport GmbH. “The Spyder is now also available as a 610PS top version in addition to the Coupé. It benefits from our many years of experience in motorsport and combines breath-taking dynamics with the emotion of an open-top sports car.”

Ten-cylinder symphony

Incredibly high revving up to 8,700 rpm, and offering lightning-quick response coupled with an evocative, voluminous sound, the top V10 with its 610PS and maximum torque of 560 Nm is the most powerful series-production engine from the brand with the four rings. Compared with the Audi R8 Spyder V10, the naturally aspirated 5.2 FSI engine, with a high 12.7:1 compression ratio in the plus version, features a 70PS boost in power and a 20Nm torque advantage.

As a result, the top model sprints to 62mph in 3.3 seconds – 0.3 seconds faster – and achieves a top speed of 203mph, an increase of 6mph.

In the NEDC, the R8 Spyder V10 plus returns up to 22.6mpg combined, which corresponds to CO2 emissions of 292 grams per km. Its efficiency technologies include the cylinder on demand (COD) system, which deactivates one cylinder bank at low to medium loads, as well as dual injection in the intake manifold and combustion chambers. If the driver eases off the accelerator at a speed of over 34mph, the engine disconnects from the drive and the new R8 Spyder coasts at idle with minimal fuel consumption. When the car comes to a stop, a start-stop system deactivates the V10 engine.

The oil supply is designed according to the dry sump principle, like that of a racing car. This enables the engine to be positioned extremely low, giving the car an extremely low centre of gravity – a requirement for the sporty and agile driving behaviour.

Stability and dynamics: the quattro drive

Behind the V10 there is a seven-speed S tronic transmission with lightning-fast action. The dual-clutch transmission, with its short transmission ratio, sends power to the quattro drive system in the front axle via a cardan shaft. Its key component is an electro-hydraulically activated multi-plate clutch. It is water-cooled for maximum performance. Depending on the driving situation, distribution of the drive torque by the clutch is completely variable, and in extreme cases sends up to 100 percent to one axle. A mechanical rear differential lock provides confident traction and maximum dynamics.

A question of character: Audi drive select

Management of the clutch is integrated in the Audi drive select dynamic driving system, which gives the driver a choice between Comfort, Auto, Dynamic and Individual modes. The standard performance mode includes the programmes dry, wet and snow. They adapt the characteristics of the drive system and suspension to the friction coefficient of the road.

As well as control of the quattro drive system, Audi drive select can also influence the operating characteristics of the accelerator pedal, the seven-speed S tronic, the steering, the flaps of the exhaust system and the optional Audi magnetic ride adaptive damper control, which uses a synthetic oil with small magnetic particles to vary damping in auto, comfort and dynamic modes. In dynamic mode, the system delivers the sharpest possible steering response and maximum handling agility. The wheels are precisely braced during cornering and body roll is largely suppressed. During braking, Audi magnetic ride counteracts the tendency of the body to dip. The performance programs from Audi drive select also make use of Electronic Stabilisation Control (ESC) for the best possible lap times.

The racing car as a role model: the suspension

All four wheels of the Audi R8 Spyder V10 plus are guided through aluminium double wishbone suspension, demonstrating the model line's close links with motorsport. The setup is firm and the electromechanical power steering offers the ideal specific combination of precision, handling and confident high-speed behaviour for a sports car. Dynamic steering with variable steering ratio is available as an option.

This boosts the car’s responsiveness at all speeds, providing high-performance cornering characteristics and quick steering behaviour. It countersteers with tiny impulses at the cornering limit to further improve stability.

Audi mounts a mix of tyres – 245/35 on the front, 295/35 on the back – on the standard 19-inch forged aluminium wheels in five twin-spoke design. The optional 20-inch wheels are shod with 245/30 and 305/30 tyres. The large brake discs – 380mm diameter upfront and 356mm on the back – are manufactured from extremely durable, temperature-resistant and lightweight carbon fibre ceramic composite. The anthracite grey fixed calipers feature six pistons on the front axle and four in the rear.

Laser light and carbon components: the design

The R8 Spyder V10 plus has an athletic stance on the road. It is 4.43 metres long and 1.94 metres wide, but just 1.24 metres tall. The most distinctive element on the front is the wide and flat Singleframe grille with its gloss honeycomb mesh, chrome-plated frame and the Audi Sport emblem. Below it stretches a low-lying carbon spoiler, which directs air around the large wheels. Optional Audi laser light in the LED headlights provides farsighted vision at night. These feature distinctive illuminated, anodised blue dividers as well as the dynamic turn signals.

A continuous shoulder line spanning the flanks emphasises the taught line of the body. The distinguishing features of the open-top mode are the sideblades, sill trim, lid on the convertible top compartment and the fixed rear spoilers all constructed from carbon fibre-reinforced polymer (CFRP). If desired, Audi can paint the sills and rear spoiler in the colour of the car at no extra charge. In the rear, large, glossy black trapezoidal exhaust tailpipes flank the opening of the wide diffuser, another component made from CFRP. Its suction literally holds the Audi R8 Spyder V10 plus on the road – with about 100 kilograms of downforce pushing down on the rear axle at top speeds.

Classic concept: the soft top

Typically Audi: the exterior skin of the cloth top is fabric, the substructure is primarily made from lightweight materials like magnesium and aluminium.

Consequently, the cloth top weighs just 44 kilograms and contributes significantly to the low weight and low centre of gravity of the R8 Spyder V10 plus. Two fins running to the rear tighten the top. An electrohydraulic drive takes 20 seconds to open or close the top, even while driving at speeds up to 31mph. Folded in a Z-shape, it is housed in a flat storage compartment over the engine.

The rear window is sunk into the bulkhead and can be retracted and extended electrically. With all of the windows closed and the optional wind deflector installed, the wind passes gently over the driver and passenger. Two steel sections pretensioned by springs in the convertible top module serve as roll-over protection.

Lightweight body: the Audi Space Frame

The multimaterial Audi Space Frame forms the strong backbone of the R8 Spyder V10 plus. It combines components made from aluminium and structurally integrated carbon fibre-reinforced polymer (CFRP). This is decisive for the low weight of the open-top high-performance sports car. Empty and without a driver, it weighs only 1,695 kilograms; dry weight is just 1,587 kilograms – another 25 kilograms less than the Audi R8 Spyder V10. The lower weight is achieved, for one, with the R8 bucket seats, as well as with the carbon-ceramic brake system and the light-alloy forged wheels.

The aluminium parts make up 79.6 percent of the weight and constitute a supporting structure that the engineers used especially to strengthen the sills, A-pillars and front windshield frame of the car in comparison with the R8 Coupé. The outer skin is likewise made primarily of aluminium. The centre tunnel, rear panel and B-pillars are made from extremely tough and torsion-resistant CFRP. In addition to the selection of materials, innovative manufacturing methods have also reduced the weight of many components. The Audi Space Frame weighs just 208 kilograms, while its torsion-resistance has increased more than 50 percent compared to the first R8 generation. This rigidity is the decisive parameter for driving precision, crash safety and acoustic comfort.

As you wish: customisation

With the Audi exclusive programme, the possibilities are almost limitless for customers to personalise their R8 Spyder V10 plus. In addition to the 11 regular paint finishes, the palette extends to freely selectable colours and matt-effect paint finishes. The convertible top is available in three colours, and the side blades can be selected in five colours. Like the door sill trim, the side blades can also be personalised with insignia as well as designed in colours according to customer tastes. In addition, parts in carbon or titanium black are available for many areas of the exterior and interior. Numerous upholstery types, inlays, and colours add to the wide range of options.

Aggressive look: the Audi exclusive micrommata green design package

The optional micrommata green design package lends the convertible high-performance sports car the ultimate edge. Its body is painted in a distinctive green. The anthracite grey Singleframe grille and black tailpipe covers create a sharp contrast. Audi exclusive furnishes the interior completely in black, in fine Nappa leather, which is perforated on control elements. Green contrast stitching accents the seats, centre armrests, doors and floor mats with luminous colour that matches the exterior.

Driver-focused: cockpit and controls

R8 bucket seats are fitted as standard in the flagship convertible. They are light, highly contoured, mounted low and bear the R8 embossing. They are upholstered in fine Nappa leather with special pigmenting that stops them from heating up in the sun’s rays. Decorative inlays are made from carbon; the pedals and footrest are in glossy stainless steel. The defining element is the “monoposto”, a large arc running around the cockpit. The dashboard appears to float weightlessly. Its lower section contains buttons and controls for the air conditioning, shaped like turbines.

As in a racing car, drivers can operate all important functions without having to take their hands off the steering wheel. The standard R8 performance leather steering wheel features integrated multifunction buttons as well as two large control satellites. The driver uses these to start and stop the engine and control Audi drive select. Two more buttons including a rotary wheel are used to control the performance mode and the exhaust flaps.

The large 12.3-inch, fully digital Audi virtual cockpit presents all information using rich 3D graphics – if desired, in a special performance view that puts the focus on the rev counter. It also serves as a gear shift indicator – when the seven-speed S tronic is being operated in manual mode, its scale has a colour background at higher engine speeds. Next to it are indicators showing output, torque, g-forces, lap times and the temperatures of the tyres, engine and transmission oil.

High bandwidth: infotainment and Audi connect

The standard equipment package for the R8 Spyder V10 plus includes a superb infotainment system – the MMI navigation plus with MMI touch. It features impressive and intuitive control logic with flat hierarchies. Added to this is a free text search that delivers suggested hits after only a few letters are typed in. The natural-language voice control function also recognises many terms from everyday speech. Standard seatbelt microphones provide for optimal audio quality, even when the top is down. In addition, the MMI navigation plus has an integrated Wi-Fi hotspot for the mobile devices of passengers.

The optional Audi connect module enables fast internet access via LTE. Its offerings include numerous services ranging from navigation with Google Earth and Google Street View to travel and traffic information as well as point-of-interest searches. In addition, the Audi smartphone interface also displays selected content from iOS and Android smartphones in the Audi virtual cockpit. The optional Audi phone box connects mobile phones to the on-board aerial and charges them inductively in line with the Qi standard. The Bang & Olufsen sound system provides an excellent audio experience – even while driving with the top down. It integrates two head restraint loudspeakers in each seat.

Handcrafted manufacture: the “Audi Böllinger Höfe” production facility

The quality of the R8 Spyder V10 plus fulfills the most stringent standards. The body and final assembly are completed in the “Audi Böllinger Höfe” production facility operated by Audi Sport near Neckarsulm. The processes are organised to be highly flexible so that individual customer requests can be fulfilled. About 500 highly qualified employees construct the cars by hand with meticulous care. Before they are delivered, each high-performance sports car is put through a stringent test procedure until their final test drive on public roads.

Article source: www.audi.co.uk

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