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New info on how VW, Porsche, Audi V6 TDI engine cheat works

The German newspaper Bild am Sonntag is reporting that US investigators have found three pieces of software that work in concert to turn off the emissions control equipment in certain diesel models after a set period of time. The engine in question, the 3.0-liter TDI turbodiesel, was found in certain Volkswagen Touareg, Audi Q7, and Porsche Cayenne models – the sale of which was suspended in the US late last year. Since most emissions compliance testing takes around 20 minutes, the software in the three VW Group models shuts off the emissions control equipment after 22 minutes, a straightforward end run around the testing. Remember that the 3.0-liter TDI engines aren't included in the big buyback and recall program announced for the smaller 2.0-liter, four-cylinder TDI engines. The 3.0-liter engines will likely get their own program, but we don't know when to expect it or exactly what it will look like. Last month, California rejected a proposed fix for the larger TDI engines, and VW went back to the drawing board. Since the company is unlikely to create two fixes, one for California and one for the rest of the nation, the company can't really proceed until they figure out a solution California will accept. The EPA hasn't officially commented on the report, and we don't know how Bild am Sonntag came across the information, but we'll be closely watching what emerges after this report. Related Video:

Is your new-car warranty good at the race track?

We've all heard the horror stories. Your buddy knows a girl that was dating a guy whose best friend's brother once broke his brand-new, recently purchased performance car while making runs at a drag strip or laps at a track day, and the manufacturer wouldn't cover the repair under warranty. True story? Urban legend? Complete crap? Yes, no, maybe. One thing's for sure: Automotive warranties have always come with caveats. In 1908, an ad in the Trenton Evening Times clearly stated: "All Ford Cars Guaranteed for One Year." Although it changed over time, by 1925 the Ford New Car Guarantee only covered 90 days on material and 30 days on labor, and it clearly stated that that there was "No guarantee whatever on Fan Belts, Glass, Bulbs, Wiring, Transmission, Bands, Hose Connections, Commutator Shells, Rollers, Spark Plugs or Gaskets." Whether or not Ol' Henry would pay to fix your Model T if you broke it shaving a tenth off your lap time at the local board track seems to be lost to history. We're guessing no. But what about today? Do new-car warranties in 2017 cover cars when they are driven on race tracks? We researched the warranties of 14 auto brands to find out, and the answer is yes, no, maybe, depending on the brand, in some cases the model, and whether or not your car is modified from stock. Acura has been out of the high-performance car game for a number of years, but jumps back into the party in 2017 with its hybrid-powered $173,000 NSX supercar. And Acura's warranty, as well as Honda's, clearly states that it does not cover "the use of the vehicle in competition or racing events." View 33 Photos So we asked Sage Marie, Senior Manager of Public Relations for Honda and Acura. "If the car is stock, the warranty covers it on a track just as it does on the street. No question," he told us. "However, if the car is modified, say with slick tires or other components that would put higher stresses on the vehicle's parts and systems, then we would have to investigate the circumstances further." Marie went on to say the same would be true for any Acura model or Honda vehicle, including the new 2017 Honda Civic Si. This became a common theme. Chevrolet actually started this practice with the fifth-generation Camaro on the high-performance ZL1 and Z/28 models.

Best plug-in hybrid cars, SUVs and minivans for 2024

We’re fans of electric vehicles, but they have their shortcomings. TheyÂ’re not available in as wide of a range of body styles as gas-powered cars, and theyÂ’re still limited by range and charging infrastructure. Plug-in hybrids (PHEVs) offer a great compromise, though, allowing for all-electric driving, but also having a gas engine for when you need more power or to travel long distances. Choosing a plug-in hybrid vehicle also allows more options; for instance, you canÂ’t get an all-electric minivan in the U.S. Â… yet. But with those extra PHEV offerings, it might be difficult to know where to start shopping. WeÂ’ve narrowed it down a bit, bringing you the best plug-in hybrids for 2024, as voted on by Autoblog staff, in various segments to help you pick a great PHEV based on your budget and needs. Best luxury plug-in hybrid large/midsize SUV: Volvo XC90 Recharge Despite showing its age, the Volvo XC90 remains an excellent three-row crossover in terms of design, comfort and safety, and the XC90 Recharge plug-in hybrid only improves the formula with both power and efficiency. Interestingly, with the gas motor powering the front axle and the e-motor powering the rear, the XC90 Recharge operates as a rear-wheel-drive car when only using electric power, and front-wheel-drive when only using gas. The powertrain is good for 455 horsepower and 523 pound-feet of torque, with a 5-second 0-60 time. It can travel 32 miles on electricity alone. Runner-up: Porsche Cayenne E-Hybrid   Best mainstream plug-in hybrid large/midsize SUV: Jeep Grand Cherokee 4xe Do you want an American PHEV with style, refinement and off-road capability? The Jeep Grand Cherokee 4xe combines all that with a turbocharged 2.0-liter and electric motor good for 375 horsepower and 470 pound-feet of torque, as well as an electric range of 26 miles. That means you can enjoy your favorite trails in near silence and make fewer trips to the gas pump on the way there. Runner-up: Kia Sorento Plug In-Hybrid   Best luxury plug-in hybrid compact/subcompact SUV: Volvo XC60 Recharge Volvo borrows the formula from the XC90 and places it in a smaller package to get the XC60 Recharge. It has the same 455 horsepower and 523 pound-feet of torque, but it drops the 0-60 time to 4.5 seconds while offering 35 miles of electric range. You can even pony up for the Polestar Engineered trim to get the Ohlins suspension, Brembo brakes, 21-inch forged wheels and unique styling.