Volkswagen Introduces One of the Cleanest Sport Utility Vehicles in the World to Canada at the 2009 Montreal International Auto Show

    WOLFSBURG, Germany and MONTREAL, Jan. 15 /CNW/ - The 2009 Touareg TDI
Clean Diesel being introduced in Canada at the 2009 Montreal International
Auto Show (MIAS) is one of the most fuel efficient and cleanest Sport Utility
Vehicles (SUV) in the world.
    In June of this year, Volkswagen will be offering a new Clean Diesel to
the Canadian market in the form of the 2009 Touareg. Never before was a
Touareg more fuel efficient, never before so clean in emissions, and never
before so inexpensive to refuel. The 221 HP (165 kW at 4,000 rpm) with 407
lb-ft. torque strong 2009 Touareg TDI Clean Diesel fulfills the strictest
emissions standards in the world. With its 2009 Jetta TDI Clean Diesels
already launched last September, Volkswagen continues its strategy in Canada
to provide affordable alternative fuel technologies to Canadian consumers.
    The high-tech engine of the permanent all-wheel drive Touareg is making
its debut with a fuel economy of 8.0 litres per 100 kilometres on the highway
and 11.9 l / 100 km in the city.
    The 2009 Volkswagen Touareg TDI Clean Diesel defines a completely new
generation of extremely fuel efficient and low-emission SUVs. One of its
technical trademarks is the Selective Catalytic Reduction (SCR) catalytic
converter. The Touareg TDI Clean Diesel is one of the first SUVs in the world
to have this type of catalytic converter on board. It reduces nitrogen oxide
(NOx) emissions by up to 90 percent. The oxidation catalytic converter and a
particulate filter are integrated into the emissions system.
    The exhaust emissions are so clean that you can hold a handkerchief or
tissue in front of the 2009 Touareg TDI Clean Diesel's tailpipe and find it
that it still stays clean.
    Along with today's affordable drive technologies from Volkswagen
available in Canada, economical turbo-Diesels like the 3.0 litre V6 TDI Clean
Diesel engine coming in the 2009 Touareg can make a contribution toward
reducing fossil fuel consumption and reducing the generation of
climate-damaging greenhouse gases. Compared to a SUV with a gasoline engine,
overall fuel costs are lower.
    At the same time, the 2009 Volkswagen Touareg TDI Clean Diesel satisfies
even the highest expectations when it comes to dynamic response and comfort:
the turbo-charged V6 TDI is about as quiet as a gasoline engine, yet it is far
more powerful. It develops a torque of 407 lb-ft (550 Newton-meters) starting
at a low 1,750 rpm. It is no wonder that despite its fuel economy, the Touareg
V6 TDI - shifted by a six-speed automatic - accelerates from 0 to 100 km/h in
less than 9 seconds with a top speed is electronically limited to 210 km/h.
    The sensationally good ratio of power (135 lb-ft per litre) and dynamic
response to fuel economy and low emissions is enabled by a technological
concept that is the most advanced of its kind in the world. The 2009 Touareg
TDI Clean Diesel is built around a 3.0 litre displacement V6 turbocharged
Clean Diesel motor with exceptionally efficient third generation common rail
injection. This type of injection and a special noise damping package ensures
that this Volkswagen's TDI Clean Diesel will impress as a whisper-quiet
Diesel; acoustically, it is hardly possible to differentiate it from a
gasoline engine in the interior. A key component on the quest toward extremely
low emissions and fuel consumption figures - besides the high-end exhaust gas
recirculation system (EGR) - is the SCR catalytic converter. Here is the
powertrain and emissions control technology of the new 2009 Touareg TDI Clean
Diesel TDI in detail:

    SCR Catalytic Converter Converts Nitrogen Oxides into Nitrogen and Water

    The acronym SCR stands for the internationally recognized term "Selective
Catalytic Reduction". "Selective" refers to the fact that this catalytic
converter performs a very special task. Its job is to convert nitrogen oxide
(NOx) components of the exhaust gas into nitrogen and water without forming
any undesirable side products. It was developed precisely for this highly
specialized task, and that is why the new 2009 Volkswagen Touareg TDI Clean
Diesel is also equipped with an oxidation catalytic converter and a diesel
particulate filter to reduce the entire bandwidth of emissions.
    Exhaust gases first flow through the oxidation catalytic converter, then
the particulate filter and finally the SCR catalytic converter. The nitrogen
oxides are converted in the SCR catalytic converter using a synthetically
produced aqueous solution of urea (AdBlue) that is transported on the Touareg
V6 TDI in a 17.5 litre auxiliary tank. To protect against freezing of the
AdBlue solution the tank is heated in the winter starting at -11 degrees
Celsius, and to save space it is located under the spare wheel.
    The AdBlue solution consists of 32.5 percent urea and is continually
sprayed into the exhaust gas stream upstream of the SCR catalytic converter.
It is metered according to the mass flow rate of the exhaust gas; the engine
management system provides for precise control based on information from a NOx
sensor downstream of the SCR catalytic converter. Finely atomized by a screen,
the urea is transformed in the hot exhaust gases upstream of the catalytic
converter. In the SCR catalytic converter, it reacts with the nitrogen oxides
and splits them into nitrogen and water. The aqueous AdBlue additive is
nontoxic, odorless, and biodegradable.
    On average, AdBlue consumption is about 1.0 liter per 1,000 kms.
Volkswagen Dealers in Canada will easily handle the refilling of the very
inexpensive AdBlue as part of the regular scheduled maintenance of the 2009
Touareg TDI Clean Diesel. As an alternative, Customers can refill small
quantities of AdBlue solution underway without any great difficulties using a
practical drip-free spare bottle.

    Internal Engine Modifications for the 3.0 litre V6 TDI Clean Diesel

    Beyond the SCR catalytic converter, Volkswagen engineers have come up
with an entire package of innovative modifications for the 2009 Touareg TDI
Clean Diesel described below.
    Combustion chamber sensors are included for the first time to monitor
pressure conditions in the cylinders. Meanwhile, a new third generation common
rail system with 2,000 bar injection pressure atomizes the fuel so that it is
exceptionally fine. The targeted ideal combustion enhances quiet running and
reduces raw emissions in general.
    Another technical highlight is the integrated intercooler for the
turbocharger. A total of two intercoolers are used here. When the engine is
cold, an automatic bypass door isolates the coolers from the system to ensure
that the V6 TDI Clean Diesel motor reaches its ideal operating temperature
even quicker and attains optimal efficiency.
    In general, reducing emissions in the 2009 Touareg TDI Clean Diesel,
especially NOx raw emissions, takes the form of internal engine modifications
such as lower maximum temperatures in the combustion chambers and reduced
oxygen concentration by exhaust gas recirculation. The nitrogen oxides that
are still produced despite these modifications reach the new SCR catalytic
converter where they are removed, as already described above.

    Combustion Chamber Sensor and Common Rail Injection

    As Volkswagen's engineers began to develop the V6 for the 2009 Touareg
TDI Clean Diesel, their first goal was to further optimize all aspects of
combustion. The result is a world first now celebrating its entry into
high-volume production: the combustion chamber sensor. Integrated in the glow
pencil, the sensor continually measures pressure conditions in the cylinder
and reports the data to engine management. This enables perfect control of
injection and combustion for each cylinder; it is even possible to compensate
for fluctuating fuel qualities.
    This results in ideal combustion to help reduce raw emissions. It also
optimizes quieter running and lessens noise.
    The common rail injection system has undergone intensive advanced
development that serves the same purposes with a new high pressure pump design
resulting in a system that builds up a pressure of 2,000 bar. The piezo
injectors also appear in a significantly modified form with their smaller
eight-hole nozzles that inject fuel into the combustion chambers in miniscule
volumes. This new design and its higher pressure make injection even more
precise and dynamic - detailed work that, in sum, has produced one of the most
fuel efficient and cleanest six-cylinder Diesel engines in the world.

    About Volkswagen Canada:
    Founded in 1952, Volkswagen Canada is headquartered in Ajax, Ontario, and
is part of Volkswagen Group Canada Inc., a subsidiary of Volkswagen AG,
headquartered in Wolfsburg, Germany. Volkswagen is one of the world's largest
producers of passenger cars and is Europe's largest automaker.
    Volkswagen offers the City Golf, City Jetta, Rabbit, GTI, New Beetle, New
Beetle Convertible, Jetta Sedan, Jetta TDI Clean Diesel, GLI, Jetta Wagon,
Jetta Wagon TDI Clean Diesel, Eos, Passat Sedan, Passat CC, Passat Wagon,
Tiguan, Routan, Touareg and Touareg TDI Clean Diesel through 130 independent
Canadian Dealers. Visit Volkswagen Canada online at

For further information:

For further information: Peter Viney, (905) 428-5858,

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