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VW adding particulate filters to gas engines

Volkswagen is working hard to overcome the PR disaster that is its diesel emissions scandal, and part of its efforts is focusing, weirdly, on petrol engines. Starting in June 2017, the embattled German automaker will add particulate filters to the gas-powered Volkswagen Tiguan and Audi A5. The change will eventually impact nearly every direct-injected gas engine the VW Group makes. Audi? Particulate filter. Seat? Particulate filter. Even Bentley is going to get the tech, all in a bid to reduce soot emissions by 90 percent. In fact, by 2022 VAG expects 7 million of its vehicles to boast the emissions-cleaning tech, which has long been a fixture on diesel engines. "Following increases in efficiency and lower CO2 output, we are now bringing about a sustained reduction in the emission levels of our modern petrol engines by fitting particulate filters as standard," Volkswagen Group research and design boss Dr. Ulrich Eichhorn said in a statement. "In the future, all models will be equipped with the latest and most efficient SCR catalytic converter technology." VW's initial rollout focuses on the 1.4-liter, turbocharged Tiguan and the 2.0-liter, turbocharged A5. Considering the popularity of the 2.0-liter across the VW range, we'd expect it's only a matter of time before VW expands its particulate filters tech to additional gas-powered vehicles. Related Video:

2015 Porsche Cayenne GTS proves performance is relative

The Turbo may be the most powerful model in the Cayenne range, but the GTS is arguably the enthusiast's choice. (In so far as a 4,500-pound crossover can be considered an "enthusiast's choice," anyway.) And now, after refreshing the rest of the Cayenne lineup, Porsche has revealed the new Cayenne GTS, alongside its new 911 GTS stablemate, here at the LA Auto Show. Like the new Cayenne S, the new GTS drops the previous version's atmospheric V8 for a 3.6-liter twin-turbo V6, but ups the output to 440 horsepower and 445 pound-feet of torque to propel Zuffenhausen's portliest to 62 in a scant 5.2 seconds. Alongside the power upgrade, the GTS gets a lowered air suspension and sportier exhaust, the beefier brakes from the Cayenne Turbo and an upgraded aero kit to help with the whole barn-door-profile thing. Just don't expect all that extra kit and the prestige of a Porsche badge on your crossover to come cheap, with prices starting at $95,500 (plus $995 destination).

Porsche 911 GT3 dukes it out with MP4-12C on track and GT-R on spectacular roads

The Porsche 911 GT3 has always been a favorite among auto journalists and car enthusiasts alike, but with the introduction of the new 991-generation GT3, which is the first GT3 with electric power steering and no manual gearbox option, how does it stack up to the competition from McLaren and Nissan?
Evo's Jethro Bovingdon attempts to answer that question by pitting the rear-engine Porsche against the mid-engine McLaren MP4-12C on a racetrack and the front-engine, all-wheel-drive Nissan GT-R on some amazing, twisty European back roads. We won't give away the victor of either comparison, but we will say that, in Evo's test, the McLaren's 141-horsepower advantage doesn't give it as much of an edge over the Porsche on a racetrack as one might think, and the lack of a manual gearbox and the inclusion of electric power steering on the GT3 isn't detrimental to enjoying the car on a back road.
Watch the video below to find out which car Bovingdon prefers on road and track - we think you'll be happy to see him drift around turns every chance he gets.