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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 Nanuk Quattro Concept is a wild surprise ahead of Frankfurt

Volkswagen Group Night ahead of the Frankfurt Motor Show always has some surprises, the first of which this year is the Audi Nanuk Quattro Concept. The all-wheel-drive, turbo-diesel-powered supercar is similar to the Giugiaro Parcour Concept that was unveiled earlier this summer. In fact, the Parcour's creator, Italdesign Giugiaro, penned the Nanuk, and we suspect much of the former found its way into the latter - with some changes, of course.
The diesel engine, a departure from the Parcour, is a twin-turbocharged 5.0-liter V10 TDI unit that develops 544 horsepower and a hole-digging 738 pound-feet of torque, which make the 4,189-pound all-road vehicle able to dispatch 0-62 miles per hour in 3.8 seconds and go on to a 190-mph top speed. Fuel consumption is a relatively low 30 miles per gallon for a car with this much performance.
The Nanuk showcases Audi's Quattro, though it uses a specially designed version of the all-wheel-drive system to get the job done. Audi's next generation of adaptive air suspension is featured as well, which fits the crossover nature of the Nanuk. Drivers are given a range of 2.76 inches of height adjustment, though Audi doesn't mention the car's minimum or maximum ground clearance.

Audi RS Q3 Performance pours sugar on the forbidden fruit

Don't let anybody tell you that Europeans don't like powerful SUVs any less than Americans do. They just like theirs a bit smaller. Case in point: the new Audi RS Q3 Performance. The latest in the ne plus ultra from Quattro GmbH joins the RS6 Avant Performance and RS7 Sportback Performance in dialing up the power even further. So while the 2.5-liter turbocharged inline-five carries over from the existing RS Q3, its output swells to 367 horsepower (27 more than before) and 343 pound-feet of torque. As a result, this tall take on the hot hatch blasts to 62 in just 4.4 seconds before topping out on the open Autobahn at nearly 168 miles per hour. Along with the power boost, the RS Q3 Performance benefits from a retuned seven-speed dual-clutch transmission, which works in tandem with the hydraulically actuated, electronically controlled all-wheel-drive system to get the power down to the road. The suspension is lowered, with available adaptive dampers fitted to 20-inch alloys. There are subtle details inside and out to distinguish it from "lesser" RS Q3 models. Unfortunately while Audi does offer the Q3 in base form here in America, it doesn't offer the RS variant altogether, let alone this new enhanced version. In fact the RS7 is the only model in the line we get here, so we'll just add this one to our growing list of forbidden fruit that we'd like to taste. Our compatriots in Germany, however, can pick one up right away for 61,000 euros, before it even makes its debut at the Geneva Motor Show next month. Related Video: 02/04/16 | Ingolstadt Pure power: the Audi RS Q3 performance - New top model with more power and exclusive equipment - Award-winning five-cylinder with 270 kW (367 hp) - Now accepting orders for the Audi RS Q3 performance Audi ignites the next stage of performance in the compact, high-performance SUV segment: The Audi RS Q3 performance* impresses with an output of 270 kW (367 hp) and 465 Nm (343.0 lb ft) of torque. This incredible power catapults the new top-of-the-line model from 0 to 100 km/h (62.1 mph) in just 4.4 seconds. Standard top speed is 270 km/h (167.8 mph). The premium brand is honing its sporty profile with new RS performance models. The "performance" in the name stands for both a significant power boost and exclusive equipment that clearly elevates the respective model above the rest of the portfolio. This also applies to the new RS Q3 performance, whose pulse is driven by the legendary Audi five-cylinder engine.