According to the American Chemical Society, seven gallons of crude oil go into each one of approximately a billion car tires that are produced every year worldwide. Today, however, scientists announced a development that could drastically reduce oil usage in tires. It involves isoprene, a hydrocarbon that is currently obtained as a by-product from refining crude oil, and that is a key ingredient in the production of synthetic rubber. Using sugars from renewable sources such as sugar cane, corn or switchgrass, the scientists have been able to create a “green” isoprene, trademarked as BioIsoprene. They expect it could start being used to produce tires within five years.

The technology is being developed by Goodyear, and biotech firm Genencor. “An intensive search has been underway for years for alternative sources of isoprene, in particular those from renewable resources such as biomass,” said Joseph McAuliffe, a staff scientist at Genencor. “One technical challenge has been the development of an efficient process for converting sugars into isoprene. One means by which we’re addressing this challenge is by using a fermentation process based on a modified bacterial strain that is designed to convert carbohydrate feedstocks into BioIsoprene product.”

The current plan is for BioIsoprene to supplement the use of petroleum-based isoprene, not replace it entirely. Besides greening up the tire industry, the product could also offset isoprene usage in other synthetic rubber products, and in other materials such as hot melt adhesives used in products like diapers.

McAuliffe presented the technology in San Francisco today, at the National Meeting of the American Chemical Society.

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1. Audi continues to invest strongly in the future

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Today, Audi introduced another “e” vehicle to their future. Based on the original e-tron shown in Frankfurt. You could call this version its little brother. Slightly shorter but packs 204hp with an outstanding 1954tq. 204hp does not sound like much but TQ is where its at combined with a curb-weight of 2976lbs. 0-100 in 5.9sec. We are still not fond of the “e” design but it will change when production versions go on sale in 2012, we hope.

Audi is showing an uncompromising purist compact sports car with all-electric drive at the first major auto show of 2010. The Detroit showcar Audi e-tron is the name of this 3.93 meter (154.72 in) long and 1.78 meter (70.08 in) wide but just 1.22 meter (48.03 in) tall two-seater; just a few months after the debut of the Audi e-tron at the 2009 Frankfurt Motor Show, this is now the second electric concept vehicle from the brand with the four rings.

Coupled with the Detroit showcar Audi e-tron’s low gross weight of around only 1,350 kilograms (2976.24 lb), high-torque power units driving the rear wheels guarantee commensurate road performance. Two electric motors with a combined output of 150 kW (204 hp) and 2,650 Nm (1954.54 lb-ft) accelerate the coupe with ASF-design aluminum body from 0 to 100 km/h (62.14 mph) in just 5.9 seconds. The Audi e-tron accomplishes the sprint from 60 to 120 km/h (37.28 – 74.56 mph) in a mere 5.1 seconds.

The Detroit showcar Audi e-tron is able to distribute its electric motors’ high torque between the wheels entirely as required. Its “torque vectoring” is the key to a thrilling level of active precision and excellent traction. Thanks also to its low weight, short wheelbase and perfect weight distribution for dynamic handling, the Audi e-tron has all the drivability of a go-kart – agile, good on bends and neutral right up to the very high handling limit.

Lithium-ion batteries, located for an optimal center of gravity behind the passenger compartment and ahead of the rear axle, make an effective energy content of 45 kilowatt-hours available. This makes an operating range of up to 250 kilometers (155.34 miles) realistically possible.

As previously with the first e-tron concept car shown in Frankfurt, Audi again bases all components in this electric vehicle on an integral concept with many revolutionary details: a heat pump as an efficient means of heating up and maintaining the interior temperature. The drive system, power electronics and battery have innovative thermal management – crucial for maintaining a high operating range coupled with outstanding interior comfort.

Design and package

Audi is presenting a further variant of an electric vehicle in the form of the Detroit showcar Audi e-tron. The vehicle body has a powerful, wide and muscular stance on the road, and looks extremely compact and puristic not least thanks to the typically short sports car wheelbase of just 2.43 meters (95.67 in) – a whole 22 centimeters (8.66 in) shorter than the R8.

The sweeping line of the front end and the flat curved roof immediately identify the two-seater as an Audi. The sides reveal familiar contours: The way the dynamic line is tailored above the sill and the prominent wheel arches, as is typical for an Audi R, combine the front, side and rear into a monolithic entity and strongly emphasize the typical Audi feature of round wheel arches enclosing the large 19-inch wheels. The highly tapered front end gives the Detroit showcar Audi e-tron distinctly wedge-shaped basic proportions.

1.78 meters (70.08 in) wide, just 3.93 meters (154.72 in) long and 1.22 meters (48.03 in) tall – those are the classic proportions of a sports car. That leaves space ahead of the rear wheels for the 399 kilogram (879.64 lb) battery unit, with converter and power electronics.

The two electric motors, which have their own cooling system, are mounted on the rear axle. This special package, featuring a 40:60 weight distribution, ensures perfect balance, which contributes to the driving dynamics of the Audi e-tron.

The trapeze of the single-frame grille dominates the distinctly wedge-shaped front end and is flanked by two large air intakes. The top of the grille merges into the flat strips of the adaptive matrix beam headlight modules with their clear glass covers. All light units use ultra-efficient LED technology.

The headlights are the core of a fully automatic light assistance system that reacts flexibly to any situation. The new technology recognizes weather conditions and adapts the illumination to rain or fog. The technology at the heart of the light assistance system is a camera that works together with a fast computer to detect oncoming traffic, recognize lanes and measure visibilities, such as in the event of fog.

If there is oncoming traffic, the high beams are turned off in the corresponding section of the illumination field. The cornering light system analyzes data from the navigation system and illuminates corners before the driver steers into them. The Detroit showcar Audi e-tron does not have conventional fog lamps that consume additional power. It intelligently varies the low beams instead; in fog, for example, it produces a wider, more horizontal illumination field, thus significantly reducing the glare from the car’s own lights.

The variability of the headlights is also reflected in their design. The LED elements change appearance and thus the character of the front end of the vehicle depending on the speed driven and the ambient conditions. The innovative lighting technology now offers the Audi designers almost as much design freedom as the shape of the body does.

One design element that is specific to electric vehicles developed by Audi – such as the Audi e-tron – are the air intakes in the single-frame grille and behind the side windows on the C-post. They are closed flush under normal circumstances and opened by retracting slats when additional cooling air is required. The slats above the drive unit then also open to provide a better through-flow of air. These measures, too, maximize efficiency – the concept car is outstanding for an already low drag coefficient that is further improved when the flaps are closed.

The ASF body

Systematic lightweight construction is an even more important prerequisite for efficiency and range with electric vehicles than for conventionally powered automobiles. Lightweight construction is moreover the key to thrilling handling characteristics. Audi developers focused on a core competence of the company when creating the Detroit showcar Audi e-tron: The body structure is based on Audi Space Frame technology (ASF), with a hybrid design approach adopted. All add-on parts – doors, lids, sidewalls and roof – are made of a fiber-reinforced plastic.

The combination of aluminum and carbon fiber-reinforced composite material guarantees supreme rigidity coupled with low weight. Audi will soon use this technology in a similar form for future production vehicles. Despite the complex drive system layout with two electric motors and a high-capacity battery system, the total weight of the Audi e-tron showcar on display in Detroit is only around 1,350 kilograms (2,976.24 lb).

Interior and operating concept

Visual and functional references to the new drive concept characterize the purist interior design. They establish a connection between proven Audi genes and new formal hallmarks. Typical for the Audi design idiom is the reduction of the architecture, controls and information output to the essentials in favor of visible lightweight construction and a tidy overall impression.

The slim dash has a curve that extends laterally into the door panels. With no need to allow for a transmission, shifter and cardan tunnel, the designers took advantage of the opportunity to create a particularly slim and lightweight center tunnel and convex, arching center console. The flush gear selector, with which the driver chooses between the modes forward, reverse and neutral, emerges from the tunnel when the vehicle is started.

The Audi e-tron’s cockpit, which represents a further development in an electric vehicle, is also oriented toward the driver – a further characteristic Audi trait. Instead of the classic instrument cluster, the concept car is the first Audi to be equipped with a large built-in central display with integrated MMI functions. It is flanked by two round dials.

The MMI is controlled via a scroll pad with a touch-sensitive surface on the steering wheel (“MMI touch”) – an element inspired by modern smartphones. The steering wheel itself is clearly flattened off at both the top and bottom, in a clear reference to motor sport.

A smartphone that can be integrated into the front section of the center console interfaces between the vehicle, the driver and external information sources. The driver can use a suitably equipped conventional smartphone as a car phone, address database, navigation system and video player. At the same time they can also use it as an operating unit for many specific on-board systems in the Audi e-tron. Many phones that are suitable for these functions are already available from various manufacturers.

The driver can then enter their route plan or adjust the sound system to their individual preferences, all from the comfort of their own home, for example. The Smartphone and vehicle communicate via the mobile communications network, even over considerable distances.

The system also provides a security function for the owner; within the range of the WLAN it can constantly monitor the current status of the vehicle, for instance whether all windows and doors are closed. If the Audi e-tron showcar on display in Detroit is parked at a charging station, for example, it also sends details of the current charge status to the driver’s smartphone.

While an analog speedometer on the driver’s right provides speed information, the instrument dial on their left tells them how much power is being drawn. The central display shows the range in the status bar and presents all key information from the infotainment and navigation systems. It also provides the driver with relevant data from the vehicle’s communication with its surroundings. The instruments combine the analog and the digital worlds into a single unit.

Characteristic for the concept of the Audi e-tron – and therefore also characteristic for a further development in an electric vehicle – is the near total elimination of switches and small components such as the ignition. The climate control unit is located to the right above the steering wheel. The display provides temperature and ventilation information. Again drawing inspiration from a smartphone, the system is controlled by means of a touch-sensitive sliding control.

The equally racing-inspired lightweight bucket seats combine excellent lateral support with comfort. Two contrasting colors delineate the various zones of the interior. The colors and the high-quality materials combine elegance and sportiness.

Drive system and energy supply

Two asynchronous electric motors with a total output of 150 kilowatts (204 hp) give the Detroit showcar Audi e-tron the performance of a genuine sports car. The concept car can accelerate from 0 to 100 km/h (0 – 62.14 mph) in
5.9 seconds if necessary, and goes from 60 to 120 km/h (37.28 – 74.56 mph) in 5.1 seconds. The torque is distributed selectively to the wheels based on the driving situation and the condition of the road surface, resulting in outstanding traction and handling.

The top speed is limited to 200 km/h (124.27 mph), as the amount of energy required by the electric motors increases disproportionately to speed. The range in the NECD combined cycle is approximately 250 kilometers (155.34 miles).

The energy storage unit is charged with household current (230 volts, 16 amperes) via a cable and a plug. The socket is behind a cover at the back of the car. The charging time when the battery is empty is around 11 hours, but heavy current (400 volts, 32 amperes) cuts this to around just two hours.

The battery is charged not only when the car is stationary, but also when it is in motion. The keyword here is recuperation. This form of energy recovery and recharging of the battery is already available on many Audi production models. During braking, the alternator converts the kinetic energy into electrical energy, which it then feeds into the on-board electrical system.

The Detroit showcar Audi e-tron in its further developed version goes one decisive step further into the future; an electro-mechanical brake system means the potential of electric motors for energy recovery can now be exploited. A hydraulic fixed-caliper brake is mounted on the front axle, with two novel, electrically actuated floating-caliper brakes mounted on the rear axle. These floating calipers are actuated not by any mechanical or hydraulic transfer elements, but rather by wire (“brake by wire”). In addition, this eliminates frictional losses due to residual slip when the brakes are not being applied.

By virtue of being isolated from the brake pedal, the Audi e-tron’s electric motors can convert the entire deceleration energy into electric current and recover it. The electromechanical brake system is only activated if greater deceleration is required. These control actions are unnoticeable to the driver, who feels only a predictable and constant pedal feel as with a hydraulic brake system.

An automotive first: the heat pump

The heat pump, too – which made its first appearance in an automobile on the Audi e-tron concept car shown in Frankfurt – helps to boost efficiency and range. Unlike a combustion engine, the electric drive system generally does not produce enough waste heat to effectively heat the interior. Other electric vehicles are equipped with electric supplemental heaters, which consume a relatively large amount of energy. The heat pump used by Audi – and commonly used in buildings – is a highly efficient machine that uses mechanical work to provide heat with a minimum input of energy.

A high-efficiency climate control system is used to cool the interior. It works together with the thermal management system to also control the temperature of the high-voltage battery. This is because the battery, power electronics and electric motors must be kept at their respective ideal operating temperatures to achieve optimal performance and range.

As soon as the vehicle is connected to a charging station the vehicle is preconditioned as appropriate by the thermal management and other associated systems. In cold conditions the drive system is preheated, and in hot conditions it is cooled. This preconditioning can also be extended to the interior, if necessary, so that the passengers can step into a cabin that has been heated or cooled as appropriate for their comfort.

Driving dynamics

The drive system’s power is transferred to the road by the rear wheels, reflecting the Audi e-tron’s weight distribution of 40:60.

Both the individual motors, which are installed behind the wheels close to the vehicle’s center line as wheel drives, also enable the Detroit showcar Audi e-tron’s lateral dynamics to be intelligently controlled. This also boosts traction. Similar to what the sport differential does in conventional Audi vehicles, torque vectoring – the targeted acceleration of individual wheels – makes the newly developed electric drive of the Detroit showcar Audi e-tron even more dynamic while simultaneously enhancing driving safety.

Understeer and oversteer can be corrected by not only targeted activation of the brakes, but also by precise increases in power lasting just a few milliseconds. The concept car remains extremely neutral even under great lateral acceleration and hustles through corners as if on the proverbial rails.

The chassis has triangular double wishbones made of forged aluminum components at the front and rear axles – a geometry that has proven in motor sports to be the optimal prerequisite for high agility, uncompromising precision and precisely defined self-steering behavior. A taut setup was chosen for the springs and shock absorbers, but it is still very comfortable.

The direct rack-and-pinion steering gives finely differentiated feedback. Its electromechanical steering boost varies with speed, so that the Detroit showcar Audi e-tron only has to provide energy while steering, but not while driving straight ahead.

As befits its status, the Audi concept car rolls on 19-inch wheels of 35-spoke design. 235/35 tires up front and 255/35 tires at the rear provide excellent grip. Another special feature of the tires: Audi designers created the profile specifically for the Detroit showcar Audi e-tron

- Audi AG

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1. Volkswagen premieres New Hybrid Compact Coupe today at the Detroit Auto Show

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Updated

• New Compact Coupe unites 4.2 l/100 km (45 mpg) with top dynamics
• Concept of an entirely new compact coupe emits just 98 g/km CO2, can go 227 km/h if necessary and accelerates to 100 km/h in 8.6 seconds

For Volkswagen this marks the beginning of an action-packed year, in which more new models will be introduced than ever before in the company’s history. Number 1 on the spectacular list of new products for calendar year 2010 is a car based on entirely new concepts and technology, a coupe with a hybrid drive that is extremely fast and yet futuristic in its fuel economy.

It has sports appeal and sharp styling yet is remarkably elegant – positioned between the Europe’s bestselling sports car, the Scirocco, and the internationally successful CC. Its name: the New Compact Coupe. Site of its world premiere: Detroit, North American International Auto Show (January 11 to 24). Combined fuel consumption: 4.2 l/100 km* (45 mpg**)! CO2 emissions: 98 g/km! Incredible, considering its fuel economy, are its top speed of 227 km/h (141 mph) and the short 8.6 seconds it needs for the classic sprint to 100 km/h (0-60 mph in 8.1 seconds).

These values were made technically feasible by a high-tech alliance: a TSI engine (gasoline powered with 110 kW / 150 PS) that is as fuel efficient as it is sporty, an electric motor (20 kW / 27 PS) and a 7-speed Direct Shift Gearbox (DSG) – which in the eyes of many car drivers is the best automatic in the world today. Just over a month after the debut of the most fuel-efficient four-seater in the world – the Up! Lite in Los Angeles – this new concept car confirms once again that future Volkswagen hybrid vehicles will not only focus on fuel economy, but – similar to pure gasoline and diesel versions of Europe’s most successful automobile brand – will also aim to be sporty and fun to drive. In the first half of the year, Volkswagen will launch its first hybrid model on the market under the VW label – an SUV with full-time all-wheel drive. Meanwhile, the New Compact Coupe shows, both technically and visually, how Volkswagen envisions a front-wheel drive hybrid for the compact class that would be implemented when the time is right.

Hybrid DRIVE – TSI and Electric MOTOR plus DSG

Downsizing at its best: The concept car is driven by an extremely innovative high-tech alliance that closely approximates potential production versions. Volkswagen is using a four-cylinder version of the TSI gasoline engine range here. Direct injection, turbocharging and an intercooler generate 110 kW / 150 PS of power from just 1.4 liters of engine displacement – downsizing at its best. TSI technology has impressively demonstrated its extreme durability in many car racing events; including on the legendary Nord­schleife of the German Nürburgring – the most demanding race course in the world. Since the first TSI engine was introduced just over five years ago, 3.5 million units of these boosted and torque-strong four cylinder engines have already been installed in vehicles. The TSI of the NCC – which of course is also equipped with ESP – transfers a hefty 240 Newton-meter (177 ft-lb) of torque to the front wheels at low engine speeds.

Emissions-free by E-motor: And there is even more power: An electric motor is integrated between the TSI and the efficien­t 7-speed DSG transsmision; it can be used for pure electric emissions-free driving, or it can support the TSI with aggressive torque. The electric motor develops 20 kW / 27 PS of power. The power and torque of the two drive units supplement one another during what is known as boosting – when accelerating to pass, for example. Since the NCC can also be driven in a pure electric mode, the drive system is classified as a Full Hybrid. A lithium-ion battery (1.1 kWh) at the rear of the vehicle supplies the electric motor with energy. By the way, in electric mode the TSI is not only shut off; it is also disengaged by a clutch to avoid drag loss.

Frequently coasting: As soon as the driver releases the gas pedal, the TSI is disengaged from the transmission. This so-called “coast-down” is even possible at higher speeds, as in freeway driving. Since drag losses are eliminated here as well, the NCC is able to coast for a longer period of time, for a driving style that leads directly to reduced fuel consumption.

Recovering kinetic energy: In braking, the electric motor – now operating as a generator – recovers kinetic energy which is then stored in the lithium-ion battery. Of course, just like Volkswagen’s new BlueMotion models, the New Compact Coupe also has a Stop-Start system on board to further reduce fuel consumption, especially in urban areas and in stop-and-go traffic.

Exterior: Design and Dimensions The unique interplay of efficiency and dynamics is reflected once again in the NCC’s styling, starting with a “Tungsten Silver Metallic” exterior. Klaus Bischoff, Chief Designer for the Volks­wagen Brand, comments: “Styling of a coupe is considered the ultimate in automotive design. Our team has achieved a symbiosis of efficient technologies and elegance in the New Compact Coupe that is unique in its expression. Just a few precisely placed lines and powerfully sculpted surfaces have created a timeless dynamic and purist elegance that is typical of Volkswagen.”

Front end – Showing a strong face: The front of the New Com­pact Coupe shows an extremely confident and focused expression. Moreover, the NCC’s width is emphasized by the horizontal line styling with integrated Bi-Xenon headlights – including LED daytime running and turn signal lights. The technically complex headlights contribute to an unmistakable visual recognition of the concept car – both day and night.

Side view – A sharp profile: In the car’s side profile, styling properties characteristic of all new Volkswagens of the past year have been merged with elegant and yet sporty coupe features, resulting in a new interpretation of the design DNA. The best examples of this are the characteristic tornado line and the powerfully emphasized curves of the wheel arches. They intersect the main volume of the large, homogeneous surfaces, conveying a powerful dyna­mic. The image of the side windows rounds out this impression with a concise signature. Forging a stylistic bridge to current models are the 19-inch “Lugano” type alloy wheels.

Rear – A strong concluding statement: The cargo area of the New Compact Coupe is decidedly powerful in design. Clean surfaces and a muscular shoulder section dominate the image here too. Bright: the LED taillights. A spoiler lip that reduces air turbulence was styled into the top of the trunk lid; it further improves the car’s remarkable aerodynamics. At the bottom there is a stylized diffuser; the tailpipe of the exhaust system is embedded here for a positive aerodynamic effect.

Dimensions – Millimeters at work for styling: The New Compact Coupe is 4.54 meters (178.5 inches) long and 1.78 meters (70.1 inches) wide. Its low body height of 1.41 meter (55.6 inches) adds styling energy to the interplay of its dimensions; the ratio of broad width to low body height intensifies the Volkswagen’s dynamic image. Also large are the track widths (front 1.53 meter / 61.2 inches; rear 1.54 meter / 61.4 inches) and wheelbase (2.65 meters / 104.4 inches).

Interior: Ergonomics and dimensions

Showing its true colors: The NCC is a four-seater with exceptional long-distance touring comfort and generous occupant space, with sport seats upholstered in light-colored, “Berry White” leather. The lower cockpit area, portions of the center console, and the door trim panels also carry this lighter shade. By contrast, all other surfaces (except accents and controls), including the leather-trimmed steering wheel, are styled in a darker “Grigio Quartz” color.

Inside, the NCC offers an exceptional feeling of spaciousness for its class. Despite the sporty low body height, the car is able to offer ample head room front and rear, as well as leg room for rear passengers. The coupe’s 380 liter trunk can handle luggage for four passengers without a problem.

Climb in, buckle up, drive away: As soon as the NCC’s doors are opened, another reason for the Volkswagen brand’s tremendous success is revealed: unparalleled perfection in details and intuitive operation. The instruments are all laid out in ideal positions. The new multifunction sport steering wheel is the key interface between human and machine. The right hand rests naturally on the 7-speed DSG’s gearshift lever‚ which stands before the full control panel for driver and passenger. Newly-designed controls for the automatic climate control system (Climatronic), an 8-inch touchscreen radio-navigation system – also a new design – and, finally, the hazard flasher switch and center air vents all await. The center console is angled slightly toward the driver to perfectly align the cockpit to the driver’s needs. The round gauges with their chrome bezels and a multifunction display (trip computer and additional navigation display) placed between them, are also optimally positioned for easy viewing.

Metal trim accentuates the air vents, multifunction keys on the steering wheel, radio-navigation system, climate control, and the gearshift, while white accents are found in the door trim, instruments, and the window / mirror switch panels in the doors.

Individual seats in the rear: Designers have shaped the rear seating area to match the style of large Gran Turismo cars. Passengers sit on two comfortable sport seats here, with the center console continuing from the front to the rear passenger area. Here, the center console is equipped with additional storage space as well as climate controls and a fold-out center armrest. The overall finish and quality of the materials employed throughout the interior make viewers forget completely that the New Compact Coupe is still a concept car. And that, too, is a typical Volkswagen trait – no compromises.

Notes:
TDI, TSI, DSG and Twincharger are registered trademarks of Volkswagen AG or other companies of the Volkswagen Group in Germany and other countries.

* = Fuel consumption and CO2 values per NEDC
** = Fuel economy values of US label

- Volkswagen AG

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1. Volkswagen Up! Lite premieres at the Los Angeles Auto Show

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• 7.3 billion euros total investment from 2009 through 2012
• Around 5.9 billion euros for new products and future technologies
• Number of models to increase from 34 now to 42 in 2015

Audi will continue to invest heavily in new products and forward-looking technologies in the future: plans for 2009 through 2012 envisage total investments of 7.3 billion euros for fixed assets.

In coming years the Audi Group will continue to invest strongly in its future. Approximately 5.9 billion euros, in other words about 80 percent of its total investment in fixed assets, will be devoted to new product development, further optimization of conventional drivelines and the development of electric and hybrid models. By 2015, the Audi brand will have enlarged its product portfolio from currently 34 to 42 models. ‘With our planned investments in new products and mobility concepts, for example electric propulsion, we are creating a basis for our company’s future growth,’ says Axel Strotbek, Member of the Board of Management for Finance and Organization at AUDI AG.

Next year Audi will launch a series of new cars. The A1, A7, A8 and R8 Spyder will be added to the product portfolio during 2010. At the end of 2010 Audi will unveil the Audi Q5 Hybrid, which will reach the market at the start of 2011 as the brand’s first full hybrid model. As Strotbek points out: ‘We will be in a position to finance all our planned investments from our operative cash flow.’

At the German locations and elsewhere, future policy is now being implemented: from 2009 through 2012 approximately 3.8 billion euros will be invested at the Ingolstadt and Neckarsulm plants. ‘This is a firm commitment to our German facilities. Audi is facing the technological upheaval in the automobile world in a farsighted way. The will to work and high qualifications of employees at our German plants are a firm foundation for the necessary changes,’ states Peter Mosch, Chairman of the Audi General Works Council.

About 2.5 billion euros will be invested at Ingolstadt and about 1.3 billion euros at Neckarsulm. A new transmission and emissions center will be opened at the Ingolstadt plant, and other investment priorities will be stamping tools for the new Audi A1 and the manufacturing structures for the A3 and A4 models. The investment focus in Neckarsulm will be on the A6, A7 und A8 models and new engine-function test rigs.

- Audi AG

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• Car manufacturer makes 11,600 square meters (124,861 square feet) of space available for photovoltaic systems at headquarters in – Practical testing of innovative technologies
• Plant Manager Kössler: ‘A key part of our environmental strategy’

AUDI AG sets new standards in the field of photovoltaics. On its plant premises in Ingolstadt, the car manufacturer has made numerous roofs available for practical testing of innovative new technologies by the Munich-based company Green City Energy. Photovoltaic modules will be installed there over a surface area of 11,600 square meters (124,861 square feet) in the weeks ahead.

‘We will generate more than 1,000 MWh of electricity this way each year, which equates to the consumption of 220 four-person households,’ explained Plant Manager Peter Kössler today at the installation of modules on the roof of the Toolmaking Shop. In addition to this area, photovoltaic panels will be installed on a parking deck at Technical Development and on another one to the south of the plant premises. These will already begin supplying the power grid in early 2010.

Four new types of modules will be used. Along with the structural aspect and the nature and angle of the roof, decisive factors for selection included the innovative qualities, efficiency and energy balance of the modules in particular. ‘With our commitment, we want to boost photovoltaics as a significant form of environmentally friendly energy production, while at the same time proving our ‘Vorsprung durch Technik’ in this field as well,’ emphasized Kössler.

This is a beacon project that should serve as a role model within the company. The installation of further modules – covering an area of 8,700 square meters (93,646 square feet) – is already planned for the Ingolstadt site. Altogether, the photovoltaic systems installed at headquarters will then produce 1,900 MWh of electricity.

Possibilities are also currently being reviewed for the other German Audi site in Neckarsulm. As early as next year, photovoltaic modules could cover a roof area of 33,000 square meters (355,209 square feet) there, with a total maximum output (under optimum conditions) of up to 2.0 MWp.

Kössler makes it clear: ‘The photovoltaic systems in Ingolstadt and Neckarsulm are a key part of our environmental strategy.’ In conjunction with its comprehensive efficiency strategy, Audi recently established an environmental foundation with an endowment of five million euros to support ecological projects that serve the public good.

One example of Audi’s commitment to environmental issues is its increased usage of waste heat, based on a new agreement concluded with Ingolstadt’s public utilities company at the end of September. The agreement provides for increasing the amount of district heat supplied each year to around 120,000 MWh, starting 2011. Last week, the research project ‘Oak Forest CO2 Reservoir’ was launched, for which 36,000 oak trees were planted close to the plant premises. Together with the Bavarian State Forestry and the Chair of Forest Yield Science at the Technical University of Munich, Audi wants to research how the stand density of oak forests affects their productivity, biodiversity and CO2 sequestration potential. Trial locations near Györ, Hungary, and at other Audi sites around the world will follow the example of the pilot tract in the Kösching Forest outside of Ingolstadt.

- Audi AG

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