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To solve diesel problem, VW might need two fixes

Volkswagen says that a fix is on the way for its 11 million vehicles around the globe that are equipped with diesel engine software that can evade emissions tests. The problem might be far more complicated than simply creating a single solution for all of them, though. According to Automotive News citing Reuters, two remedies to cover different NOx-reducing systems could be necessary, and both potentially affect performance. Earlier examples of the EA 189 diesel engine used a lean NOx trap to reduce the harmful material coming from the tailpipe. According to experts in the Automotive News report, a software update might allow the engines to achieve compliance, but that could affect fuel economy. VW already tried this route once before the scandal came to light, but tests by the California Air Resources Board still showed the figures were too high. Later, some of the 2.0 TDI engines began using Selective Catalytic Reduction that reduced NOx by injecting a urea solution into the exhaust stream. According to Automotive News, a software update for this equipment might increase the amount of the substance used. Not only would that mean topping up the fluid more often, but there still could be some reduction in fuel economy. But, since the 2-liter, 4-cylinder TDI engine that sits inside the diesel vehicles first mentioned as being affected by the issue in the US don't have a urea treatment system, VW would need to install them into these cars. VW still hasn't officially outlined its solution (or solutions) to the emissions issue but is expected to soon. The automaker's long-term evasion of regulations with these diesel engines pumped vast quantities of additional NOx into the air. The substance is known to be linked with smog and acid rain. The US Department of Justice is already beginning an investigation into the company, and politicians are pushing for harsh punishments.

Audi mulling producing version of Quattro showcar, just not sure which one [w/poll]

Head of design for Audi, Wolfgang Egger, has told Auto Express that a reborn Quattro could enter production, but bosses for the company haven't yet decided whether to base it on the Sport Quattro concept that just debuted at this week's Frankfurt Motor Show or the smaller Quattro concept that was revealed at the 2010 Paris Motor Show.
While both draw their inspiration from the original Ur-Quattro of the 1980s, they vary wildly in both size and choice of powertrain. The 2010 Quattro concept was based on Volkswagen's MQB platform, shared with such vehicles as the Golf and Audi A3. The Sport Quattro, meanwhile, was built atop the company's larger MLB platform that's used almost exclusively for Audi models, including the A5, which is also a coupe.
Under their hoods, the 2010 Quattro concept simply employs a version of the same 2.5-liter engine used in the TT RS, tuned to deliver 408 horsepower, while the Sport Quattro goes nuclear with a twin-turbo V8 hybrid powertrain that develops 700 hp and 590 pound-feet of torque. Both, of course, employ quattro all-wheel drive just like their forebearer.

2018 Audi A5 gets a manual and S5 gets 369 lb-ft of torque

Update: A previous version of this post incorrectly stated that the A5 was the only Audi model to offer a manual transmission with the 252-horsepower inline-four. Audi will offer the same combination on the A4 in the near future. The text has been updated to reflect this. When Audi revealed the new A5 and S5 coupes, we knew the elegant lines of the European model would come to the United States. But the big question was, would the drivetrains, and in particular, the manual transmission, come along? The answer is yes. The 2018 A5, with its 252-horsepower, 273 lb-ft of torque turbocharged four-cylinder, will be offered in America with both a seven-speed dual-clutch transmission, and a classic six-speed manual. These combinations will take an A5 to 60 mph in 5.6 or 5.7 seconds, respectively. The A4 sedan will also offer the manual with the same engine soon, in case you need an extra pair of doors. The four-cylinder model is also the only A5 model with a manual, since the turbocharged V6 S5 only comes with an 8-speed automatic. To make up for a lack of shifting involvement, drivers can take advantage of the S5's readily available torque. Like the Euro-spec model, our S5 will come with 369 lb-ft of twist, and it peaks at a stunningly low 1,350 rpm. That torque, combined with the engine's 354 horsepower, launches the S5 to 60 mph in 4.4 seconds. Every type of A5 or S5 also funnels its power through a Quattro all-wheel-drive system with torque vectoring. A5 owners can also personalize how their cars ride and handle, with either a sport suspension with different sway bars, shocks, and springs, or with the comfort adaptive damping suspension. The latter uses constantly adjusting electronic shocks for improved ride. The S5 has an available sports adaptive suspension that works similarly, as well as a dynamic steering option that can change steering ratios. Capping things off is an extensive list of gadgets and safety features, some standard, such as the LED interior lighting and panoramic sunroof, and others optional, such as Audi's Virtual Cockpit LCD instrument cluster and lane keeping assist. A new feature for the A5 line is the MMI touch system, which allows drivers to write in characters with their fingers. Something Audi hasn't revealed about the A5 and S5 is the pricing and availability, but those details should come soon. Related Video: Featured Gallery 2017 Audi A5 View 27 Photos Image Credit: Audi LA Auto Show Audi Coupe Luxury Performance quattro audi s5