Image credits: © Audi.
2008 Audi A3 news, pictures, and information
AUDI TO LAUNCH THE CLEANEST DIESEL IN THE WORLDFrom mid-2008 Audi will be putting the cleanest diesel technology in the world into series production. The new TDI engines wîth their ultra-low emission system combine the spontaneous performance and superior pulling power of today's TDI power units wîth outstanding fuel consumption figures and incomparably low emissions. Indeed, they will already undercut the most stringent emissions limits that are to be applied in the future in Europe as soon as production starts. Just as the entire Audi range complied wîth the Euro 4 standard and the forthcoming Euro 5 emissions limits years in advance, the Ingolstadt brand is once again set to assume its role as the pioneer of groundbreaking technology.
For Audi, the trendsetting TDI engine is a core element of its integrated technology strategy. 'We intend to consolidate the status of the TDI as a highly efficient form of propulsion on a sustained basis. And in future we will be launching ‘e' model variants designed for optimised fuel consumption in the high-volume model series – either in TDI guise or as petrol models wîth state-of-the-art TFSI technology,' says Rupert Stadler, Chairman of the AÚDI AG Board of Management.
Maximum efficiency is the recipe for success
'Audi is a trailblazer when it comes to diesel power. Since 1989, over 4.5 millions cars have rolled off the production line wîth the highly efficient TDI technology under the bonnet. By equipping the R10 TDI sports prototype wîth this technology, we have just won the 24 Hours of Le Mans wîth a diesel-powered car for the second time. The Audi R8 racing cars wîth TFSI petrol direct injection took victory on five occasions at Le Mans. We have been incorporating the key findings from the world of motorsport directly into series-production development,' emphasises Michael Dick, Board Member for Technical Development at AÚDI AG. 'By so doing, we are demonstrating how TDI and TFSI represent the ultimate in efficiency, driving pleasure and economy both on the road and on the racetrack.'
The latest TDI generation sees Audi reaffirm its leadership claim in the field of ultra-sophisticated diesel technology. When Audi started up series production of the first passenger-car TDI engine in 1989, it marked a key milestone in the advancement of automotive technology. Audi TDI soon became a byword for supreme pulling power plus maximum efficiency and, what's more, the pacemaker for the automotive as a whole. Even today, the spontaneous performance combined wîth extremely low fuel consumption achieved by the turbocharged direct-injection diesel engine remains unsurpassed by any other drive system under realistic conditions.
Consistent strategy throughout all model series
With its latest generation of TDI engines, Audi is now out to prove that this high-tech drive unit still has high potential and a guaranteed future: thanks to the optimised combustion process and the inclusion of an ultra-low emission system, these models comply wîth the BIN 5 emissions requirements in the ÚS as well as meeting the toughest standards expected to come into force in Europe for the foreseeable future.
Audi is kicking off its consistent TDI strategy for 2008 wîth the three-litre V6 units in the Audi A4 and Audi Q7. Developing 240 bhp and a supreme peak torque of 369 ft.-lbs. in the Audi A4 (not available in ÚS) and 406 ft.-lbs. in the Audi Q7, they boast the sublime dynamism combined wîth relatively low fuel consumption that is the hallmark of any Audi. Additional models will follow in rapid succession, wîth Audi seeking to extend the new technology to other vehicle classes and power categories by 2010.
Innovative technology for minimised emissions
This new technology from Audi takes the TDI principle of diesel direct injection wîth turbocharging that has been proven a million times over and launches it into a whole new dimension. To do this, the diesel-engine development engineers at Audi have incorporated a whole raft of innovative measures into the latest TDI generation: the new piezoelectric common-rail system wîth an injection pressure of 29,000 psi, the extremely efficient exhaust gas recirculation and optimised turbocharging bring about a dramatic cut in untreated engine emissions. One of the highlights are the combustion chamber sensors that enable even more precise regulation of the combustion processes in the engine – this is the first time that such sensors have been fitted on any engine in the world, marking yet another Audi innovation.
The status of the new-generation TDI as the definitive clean-running, high-tech diesel is sealed by the downstream ultra-low emission system which reduces nitrogen oxide emissions by up to 90 percent. The ultra-low emission system runs on a biodegradable additive in the form of a solution called AdBlue. Tiny doses of this solution are injected upstream from the DeNOx catalytic converter. The ultra-low emission system as a whole comprises the catalytic converter, the metering module, the AdBlue tank and heated lines, as well as an extensive system of sensors. The comprehensive emission control system is rounded off by the separate two-way catalytic converter and the highly efficient, electronically controlled diesel particulate filter.
Great potential for reducing fuel consumption all around the world
Thanks to their extremely low emission levels, these cutting-edge direct-injection diesel engines can be put into service anywhere in the world, even in the ÚS state of California where the most stringent emissions limits are enforced. Compared to the average fleet consumption of petrol engines typically fitted in the ÚSA, the TDI offers a fuel saving of as much as 35 percent. As a consequence, diesel technology can make a greater contribution to reducing the consumption of fossil fuels and emissions of environmentally harmful greenhouse gases than any other form of propulsion currently available. Audi will be marketing these new models in the ÚSA and in Europe from the second half of 2008.
Extensive package for cutting CO2 emissions
|Engine : 2.0 L., 4-cylinder|
Power: 200 hp
Torque: 207 ft-lbs
Engine : 3.2 L.
Power: 250 hp
Torque: 236 ft-lbs
As a result of this strategy, many Audi TDI and TFSI models will in future deploy an innovative power management system which capitalises on coasting and braking phases by recuperating and storing electrical power. Furthermore, a next-generation start-stop system is currently being developed which lives up to Audi's standards of comfort.
High-volume model series to include ‘e' models
Meticulous refinement throughout the entire vehicle also helps to significantly reduce fuel consumption. Optimised rolling resistance, a further reduction in air drag, specially tuned gear ratios, reduced friction and redeveloped ancillary units are just a few of the devices used by Audi to continuously enhance the efficiency of its entire model fleet. With their high torque at low rev speeds, the turbocharged, direct-injection petrol and diesel engines from Audi come wîth the ideal credentials for an optimised gearbox set-up that enables the vehicle to be driven wîth the engine running at its most efficient.
The success of this strategy is exemplified by the ‘e' models which are already in series production. Take the current Audi A3 1.9 TDI e (not available in the ÚS), for instance, wîth its exemplary standardised fuel consumption of just 4.5 litres/100 km (overall) and CO2 emissions of 119 grams per kilometre. In future, Audi will be enlarging its range of extra-efficient models considerably and offering both TDI and TFSI versions of ‘e' models in the high-volume model series.
Hybrid systems for a number of models
Nevertheless, there may also be a call for a hybrid system designed for individual markets and to meet specific requirements. Audi is developing hybrid systems for a number of model series and will put them into series production wherever it sees this as producing significant benefits for customers. Audi unveiled the Audi Q7 hybrid study wîth an electric motor integrated into the driveline between engine and gearbox back in 2005. Designed as a 'full' hybrid, as it is known, the Audi Q7 can run on either the petrol engine or the electric motor alone or be powered by both in unison. During phases when the vehicle is coasting or braking, kinetic energy is converted into electrical energy, fed to the battery and then transformed into propulsive power as and when required.
Integrated approach for better fuels
Fuels have a decisive role to play wîth regard to future reductions in CO2. Apart from ethanol or natural gas, the primary energy sources in question here are the next-generation fuels extracted synthetically from biomass or natural gas. These customised fuels improve the combustion processes inside the engine, resulting in a far healthier emissions balance sheet.
Of particular interest in this respect is SunFuel which is made from biomass. When this fuel combusts, it releases no more carbon dioxide than the plants which went into making it would have extracted from the atmosphere beforehand. The first facilities for industrial-scale production of these fuels are currently being built. Audi is giving its full backing to this integrated approach for better fuels under the umbrella of the Volkswagen Group.
Alternative fuel types are gaining in importance around the world. Natural gas, for example, is being used increasingly in a number of countries as a more cost-effective energy source wîth a lower CO2 content. Here, Audi has devised a concept for using CNG (Compressed Natural Gas). It is based on the TFSI engine and retains such strengths as its mighty pulling power even when running in natural-gas mode. The reduction in CO2 emissions of up to 20 percent in CNG mode can therefore be enjoyed without having to compromise on driving pleasure in any way. Moreover, the ingenious packaging still allows full use to be made of the luggage compartment and the vehicle's versatility despite the addition of the natural gas tank.
The same applies to the ethanol drive system from Audi. It is designed to run on fuel consisting of up to 85 percent ethanol – again without any loss of dynamism or sportiness. And yet, the CO2 output of such a drive system is around 75 percent lower when running on second-generation bioethanol than when it is burning conventional petroleum-based fuel. (concept carz)
The driver's crucial influence
Audi will continue to demonstrate its renowned 'Vorsprung durch Technik' to the customer wîth all manner of technical solutions. It goes without saying, however, that it is the drivers themselves who bear a large part of the responsibility for driving in a manner that burns less fuel. (concept carz) The individual driving style can influence fuel consumption and, as a result, emissions by as much as 30 percent – without any great difference in speed or dynamism. Driver awareness and attentiveness are the decisive factors here. Audi will additionally provide support systems that help drivers modify their driving style for optimum fuel consumption. One example of such a driver aid is the gearshift indicator that is already included as standard on the e models and the new A5 and displays the optimum gear for the current driving situation.
Extra efficiency at the push of a button
Audi has already unveiled a vehicle that gives drivers the option of selecting an especially fuel-efficient mode for certain situations at the push of a button wîth its Cross Coupé quattro study. In the 'efficiency' mode, the engine and the gearbox mapping are switched over to a more economical operating programme, the power draw of the main consumers and comfort modules is restricted, and the cruise control system is programmed to give priority to low fuel consumption. This mode is selected intentionally by the customer and is accompanied by a slight reduction in both power and comfort. Apart from this, as the navigation system's road data becomes even more precise in future it will be used for particularly economical routing and vehicle guidance.
With the help of its clean-running diesel power units and integrated efficiency strategy, Audi is set to hone the sporty and elegant character, the sense of driving pleasure and the high-class quality of its models whilst continuing to reduce their emissions.Source - Audi
AUDI WINS 'ENGINE OF THE YEAR' AWARD: 2.0 TFSI ENGINE TOPS ITS CLASS AGAINAudi has received the 'Engine of the Year' crown for the third year in succession. A jury of more than 60 recognized trade journalists from 30 countries named the 2.0 TFSI engine the winner of the prestigious award.
The jury opined that this impressive four-cylinder unit is the dominant engine in its class, giving the verdict that it is 'not only incredibly versatile and clever, but also remarkably powerful'. The 2.0 TFSI combines vigorous pulling power wîth particularly high everyday suitability. The jury also observed that Audi has demonstrated the best engine development in the 1.8-litre to 2.0-litre §egmènt this year, too.
The 2.0 TFSI unit was initially fitted in the Audi A3 and now also features in the A4 and 2008 TT model lines. This Audi engine is available in output versions ranging from 200 hp to 265 hp, from the exceptionally fuel-efficient A3 and A4 2.0 TFSI to the particularly sporty Audi S3 (S3 not available in North America).Source - Audi
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• Eleven victories at 14 runs and absolute distance record
• Head of Audi Motorsport Dr. Wolfgang Ullrich: 'Le Mans points the way to the future'
Six more weeks until the Le Mans 24 Hours celebrates its 90th anniversary. Since 1999, Audi has shaped the world's most important endurance race like no other automobile manufacturer. Eleven victories in 14 events – the technological milestones set by Ingolstadt and...[Read more...]
|Land Rover Celebrates 65 Years Of Technology And Innovation|
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|VOLKSWAGEN CLAIMS BEST HIGHWAY FUEL EFFICIENCY, WITH SEVEN MODELS THAT ACHIEVE MORE THAN 40 MPG|
|• New Jetta Hybrid earns EPA fuel economy rating of up to 48 mpg; the first compact hybrid available with a turbocharged engine|
Herndon, VA - With EPA estimated fuel economy ratings of 48 mpg on the highway, 42 mpg in the city, and a combined rating of 45 mpg, the Jetta Hybrid becomes the most fuel-efficient vehicle in the Volkswagen lineup and the seventh model capable of more than 40 mpg on the highway. With sales of the Jetta Hybrid beginning later this month, Volkswagen wil...[Read more...]
|The beginning of a new era at Audi|
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|JAGUAR EXPANDS POWERTRAIN CHOICE WITH TWO ADDITIONAL FORCED-INDUCTION PETROL ENGINES|
|As Jaguar expands its product offer in key global markets it is introducing two additional petrol units to its range to enhance customer choice; the new 3.0-litre V6 Supercharged Petrol, and the 2.0-litre I4 Turbocharged Petrol. Adrian Hallmark, Global Brand Director, Jaguar Cars, said: 'Jaguar currently has its strongest range of products for several decades. Our continued growth is dependent on two things; activating the awareness of the brand, and expanding our range to enable us to access...[Read more...]|
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