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Piloted driving on the autobahn – Audi is already providing the public with an insight into the mobility of the future. With demonstration drives on board an Audi A7 piloted driving concept, selected brand customers and fans will get their first experience of piloted driving on the A9 north of Munich.

The customer trips in the Audi A7 piloted driving concept, nicknamed “Jack,” start in the myAudi Sphere at Munich airport. The route goes via the A9 – part of the “Digital Motorway Test Bed. With a normal traffic flow, the piloted journey takes around 60 minutes. An Audi expert is always on board. After the journey participants are asked for their opinion, with their impressions incorporated into the development of future automated driving functions.

The opportunity to ride in “Jack” will start on July 20 and run through to August. Potential test drivers are targeted via various communications channels, including the social media sites run by Audi Germany. At the same time, Audi Business Innovation GmbH has raffled places to users of its premium mobility service Audi on demand. Participants in the “Miles and More” program can also swap accumulated miles for a trip in “Jack.”

Audi has already used the A7 piloted driving concept test vehicle on three continents since 2015. On the A9 it can drive at speeds up to 130 km/h (80.8 mph). It accelerates, brakes and changes lane predictively and smoothly while cooperating with other road users.

The experience from the test drives with “Jack” has been incorporated into the development of piloted driving. The highlight here is the central driver assistance controller (zFAS) which uses signals from all the sensors to continuously generates a detailed image of the surroundings. The zFAS – the size of a laptop – is fitted for the first time as standard in the new Audi A8. The luxury sedan was premiered last week at the Audi Summit in Barcelona and has been developed for highly automated driving as per SAE Level 3. The Audi AI traffic jam pilot will allow the driver to hand over the driving task to the car on freeways in slow moving traffic at speeds up to 60 km/h (37.3 mph).

Article source: www.audi.com

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

An all-electric automobile that can be refueled in four minutes – the Audi h-tron quattro concept eliminates the still excessive charging time of normal electric vehicles. A fuel cell powers the concept study. It generates electricity from hydrogen – a gas which Audi can manufacture CO₂-neutrally in its own power-to-gas plant using green electricity. As such, the company is making an unusual proposal for the mobility of the future.

The Audi h-tron quattro concept, which made its debut in early 2016, presents the fifth generation of fuel cell technology from Audi and Volkswagen. Lightweight materials reduce the weight and improve performance, responsiveness and service life. With an efficiency rating in excess of 60 percent, the fuel cell now comfortably surpasses any combustion engine.

The fuel-cell stack comprising 330 individual cells is housed in the forward structure of the technology study. It is powered using hydrogen. Three tanks are located under the passenger cell or the trunk and store sufficient gas at a pressure of 700 bar for a range of up to 600 kilometers. As with a car with a combustion engine, the tanks can be fully refueled in around four minutes.

Ideally complementing the fuel cell that develops 110 kW, there is a compact lithium-ion battery. It is housed under the passenger cell and delivers up to 100 kW power, which provides an additional boost while accelerating. Fuel cell and battery combined deliver a system output of 185 kW. The power from the fuel cell and the high-voltage battery drives two electric motors – one located on the front axle, the other on the rear axle. This innovative all-wheel concept makes the technology study an electrified Audi quattro.

In the European NEDC comparison cycle the Audi h-tron quattro concept consumes around one kilogram of hydrogen per 100 kilometers. It is not only locally, but also globally almost emission-free – provided the gas in the tank is produced using green electricity, as the company does in the Audi e‑gas plant in Lower Saxony.

AUDI AG is responsible for the development of fuel cells within the Volkswagen Group; the Group branch office is based at the Ingolstadt site. The Neckarsulm site is being expanded as a competence center for the development of the h-tron technology. With the Audi A7 Sportback h-tron quattro prototype vehicle, Audi has the opportunity to enter the volume-production process once the market and infrastructure justify such a move. The company is therefore committed to expanding the filling station infrastructure.

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

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