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NEWS
Audi unveils 'clean diesel' V6
New 3.0-litre turbo-diesel powerplant makes its world premiere in ViennaAudi has revealed a new, Euro 6-compliant turbo-diesel V6 with sophisticated engineering to wring up to 13 per cent extra fuel efficiency out of it, the company claims.
Announced at the 35th International Vienna Motor Symposium, the 3.0-litre diesel V6 features 90-degree cylinder bank angle architecture, low-friction internals and high-tech thermal management. Audi plans to build the engine in two states of tune – 160kW or 200kW – with torque peaking as high as 600Nm.
"The new 3.0 TDI substantiates our claim as the leader in diesel technology," said Prof. Dr. Ulrich Hackenberg, Member of the Board of Management of AUDI AG, Technical Development.
"We have led the competition ever since the first TDI engine 25 years ago, and are constantly extending this lead with new ideas."
The innovative technology developed by Audi for the new engine includes: optimised piston rings/gudgeon pins for lower friction, separate coolant jackets for cylinder block and heads, an optimised thermal management system, new turbocharger, new oil pump and integrated NOx catalytic converter/diesel particulate filter/SCR injection. And a new exhaust gas after-treatment system lowers CO2 emissions by an average figure of 15g/km.
Also at the motor symposium Audi revealed a seven-speed dual-clutch transmission designed specifically for front-wheel drive applications and longitudinal (north/south) engine mounting. As with other dual-clutch transmissions marketed by Audi, the box is to be known as S tronic. Audi estimates the new transmission could reduce CO2 emissions by as much as 10g/km – with a concomitant benefit to fuel economy also.
According to Audi's Head of Engine Development, Dr. Stefan Knirsch, the annual Vienesse event is an outstanding opportunity to learn from other manufacturers about their own rapidly advancing engine technology, as well as presenting the latest and greatest from Audi.
"The Vienna Motor Symposium offers us an excellent stage for our technologies" he was quoted saying in a press release. "We can present our innovations and discuss them here with experts from all around the world."
Audi has attended the Motor Symposium at Vienna's Hofburg Congress Centre since 2009, when the company debuted the five-cylinder engine of the TT-RS. Since then Audi has introduced the then-new 3.0 TDI V6 in 2010, the 3.0 TDI biturbo V6 and 1.8 TFSI four-cylinder in 2011, the 4.0 TFSI engine in 2012 and the R18 e-tron quattro's V6 TDI engine in 2013.
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