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VW fix would have cost $335 per vehicle

Since the Volkswagen diesel kerfuffle began, Bosch, the world's largest auto supplier, has been hooked up to a bullhorn trying to make sure everyone knows its side of the story. Bosch supplied VW with the engine management testing software, including delivery and metering modules, that VW then used to skirt emissions laws in the US. Bosch told VW in 2007 that it was illegal to use the software in cars it planned to sell yet VW did it anyway, according to reports coming out in German newspapers Bild am Sonntag and Frankfurter Allgemeine Zeitung. That first warning came two years after VW started developing the small-displacement diesel, around the time that the two men pushing its development, then-brand chief Wolfgang Bernhard and engineer Rudolf Krebs, were telling their superiors that the engine needed AdBlue urea injection to pass US emissions. VW cost controllers wouldn't approve the AdBlue solution because it would add 300 euros ($335 US) to the cost of the vehicle. Bernhard and Krebs left the same year that Bosch advised VW about the software, two years before the engine went into production. That's when things get cloudy. A report in Automotive News says that when Martin Winterkorn took over in 2007 as head of the VW Group and brand, he asked Ulrich Hackenberg and Wolfgang Hatz to keep working on the engine, and "[the] engine then ended up in VW Group diesels" with that problematic software still intact. No one has yet pointed any fingers at this latter chain of command, but like a game of Clue, right now they're the professors in the library holding the candlesticks. Warnings didn't only come from the supplier: Frankfurter says VW's initial investigation has found that an engineer issued the same caution to the company in 2011. Neither Bosch nor VW would comment on the reports.

Volkswagen rules out more potent Polo R

Volkswagen may be planning ever more powerful versions of its Golf, but don't expect that lust for power to trickle down to the smaller Polo anytime soon as the German automaker has reportedly ruled out the prospect of making a Polo R. This according to Autovisie, the automotive section of Dutch newspaper De Telegraaf, in speaking to VW representatives at the launch of the new Polo GTI. Where the previous Polo GTI offered 177 horsepower, the new one packs 189 and is available with either a six-speed manual or seven-speed dual-clutch transmission. The company briefly offered a Polo WRC Street with 220 horsepower, but that was only for a limited edition that Autovisie says will not be repeated for mainstream production. Which may just be for the best, as far as we're concerned, as no versions of the Polo are offered in the US, and we don't need yet another piece of forbidden fruit we can't get our hands on. The decision may seem at odds with the Polo R WRC rally machine with which Volkswagen has been dominating the World Rally Championship for the past two seasons, but was likely made in order to keep the Polo from infringing on Golf territory. VW currently offers the Golf GTI with 210 horsepower and the Golf R with 292, and showcased an even more powerful version with nearly 400 hp.

2015 Volkswagen Touareg TDI Quick Spin [w/video]

There are two particularly great things about diesel-powered cars: torque and range. The 2015 Volkswagen Touareg TDI has both in spades. We put 190 miles on our test car, and upon return, the computer claimed we still had 490 miles to go. We weren't even averaging the EPA-estimaged 29 miles per gallon highway. Plus, that's in a sport-utility vehicle with tons of room and a whopping 406 pound-feet of torque. That said, our most recent adventure with the Touareg wasn't totally positive. This thing feels decidedly long in the tooth, despite a 2014 refresh. Driving Notes The Touareg TDI's powertrain really is the star of the show. The 3.0-liter, turbodiesel V6 has been in service since 2009, but it's still a dynamite engine. With 240 horsepower and 406 pound-feet of torque, the latter of which can be called upon at just 2,000 rpm, there's no shortage of thrust under your right foot. Turbo lag is an issue when you get aggressive with the throttle, but don't drive like a boob and you'll be fine. ZF's critically acclaimed eight-speed automatic delivers that power to all four wheels. But where other ZF-equipped vehicles deliver a crisper, sharper character, the TDI's trans is tuned for a far more relaxed driving experience. Upshifts are leisurely; the eight-speed keeps you right in the thick of the Touareg's broad torque curve. The suspension tuning follows a similar philosophy. It's far more comfortable than dynamic, soaking up all manner of bumps and general imperfections with aplomb. That said, the Touareg does not feel floaty or disconnected – just smooth. The greasy bits of the Touareg are very desirable, but the package they're wrapped in is less so. It's not that the interior or exterior designs are necessarily bad – fans of Earth tones will love our tester's Black Oak Brown Metallic paint and Cornsilk Beige interior – they're just kind of bland, or anonymous. The switchgear and buttons come from the Volkswagen parts bin, and while they're fine on a $20,000 Golf, these pieces aren't as appropriate in a vehicle that starts at more than twice the price. The dash plastics and faux wood don't look as nice as what's inside an Acura MDX, or even a Jeep Grand Cherokee. This mid-level Touareg TDI Lux starts at $57,580.