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Porsche Cayenne diesel V8 may not be long for this world

Goodbye, Porsche Cayenne V8 Diesel. We hardly knew ye. Nor did the Europeans, apparently. Porsche's V8 oil burner is still on the European model list for the Cayenne SUV, but the mill won't go through the likely pricey process of being updated to adhere to new and stricter European emissions standards, Just-Auto says. A Porsche spokesman confirmed to the publication that it's a fairly complicated process to update the diesel V8 to be so-called "Euro-6 compliant." With Cayenne diesels selling in relatively low volumes anyways, the German automaker might just dump the V8 diesel altogether, as it'd be quite cost-ineffective to make the necessary upgrades. The V8 diesel was a 4.1-liter engine that delivered 385 horsepower in addition to what sounds like a little too much exhaust for European clean-air regulators. While that's a pretty powerful profile, the most recent gas-powered V8 for the Cayenne delivers about 570 horsepower, so the diesel engine won't likely be missed by European auto enthusiasts. Besides, there's still the V6 diesel that's also sold in the US. That's a 4,800-pound beast that moves from 0 to 60 miles per hour in about seven seconds and gets a relatively (for diesels) modest 20 miles per gallon city. For those who are curious, Autoblog's First Drive review of that model can be found here.

The 2017 Porsche 911 RSR goes mid-engine, purists be damned

Porsche unveiled its World Endurance Championship and IMSA WeatherTech Championship competitor with the 2017 911 RSR. And this 911 is different from the rest, as the 4.0-liter flat-six engine powering this beast is in front of the rear axle, not behind it. That's right, this 24 Hours of Le Mans competitor ditches the iconic rear-engine layout. Porsche isn't talking specifics on how exactly things are arranged back there. The engine is new, now based on the 991 911's block instead of the previous Mezger motor that's been used for years. The transmission design is new as well – it would have to be to accommodate the new location relative to the engine. The racecar has been engineered to meet the LM-GTE class, where it will go up against other mid-engine cars like the Ford GT and Ferrari 488 GTE. Moving the engine to the middle has given Porsche the ability to fit the 911 RSR with massive bits of aero, like the humongous rear diffuser that looks like it would be more at home on a machine of war. The only thing that can compete with the diffuser for size is the top-mounted rear wing, which shares a similar design to the one found on the 919 Hybrid. Going back to the engine, the direct-injected boxer motor, depending on the size of the restrictor, generates as much as 510 horsepower and sends all of its fury to the rear wheels. The engine is paired to a six-speed sequential gearbox, which drivers can employ through paddles on the steering wheel. The new engine doesn't have a lot of weight to push around as the 911 RSR, as required by regulations, weighs 2,740 pounds. Speaking of weight, the engine layout isn't the only change for the 911 RSR. For 2017, the car ditches its steel body for one that's made out of carbon fiber. The body attaches to the chassis via quick-release fasteners, making the vehicle easier to service as exterior elements can be removed with minimal effort. The racecar also gets a radar-based collision system – aptly named the "Collision Avoid System" – which is meant to limit the 911 RSR's encounters with faster LMP prototypes. Only time will tell if the new layout and aerodynamic components help the 911 RSR beat its competition. But there will be plenty of opportunities to see the racecar in action as Porsche plans to run the 911 RSR in 19 races during the 2017 season, the first of which will take place at the IMSA opener on January 28th at Daytona, where the racecar will make its track day debut.

Next-gen Porsche 911 may include plug-in hybrid version

According to Auto Express, there's a plug-in hybrid Porsche 911 on the way, and it could arrive as soon as the introduction of the next-generation car. At the Detroit Auto Show, the UK outlet spoke to 911 product line director Dr. Erhard Mossle, who said the Stuttgart automaker was "working on different solutions" for the next iteration of its most iconic car, and, "of course, we are discussing plug-in solutions for the 911, but there are a lot of things to solve with packaging in the car and other things to solve. It will maybe be in the next generation, yes." "When we see the 911," he said, "we see the plug-in hybrid as a performance car." Since we just saw the introduction of the turbocharged powerplant in the 911 Carrera last summer, we can expect a wait of at least four years for the next powertrain evolution. Mossle said that any 911 PHEV would remain a sporty proposition and likely retain the flat-six engine, which would give more prestige than the four-cylinder 718 (Cayman and Boxster) yet still be able to satisfy emissions regulations. Mossle is echoing the comments made by Oliver Blume, chairman of the executive board at Porsche, at the Detroit show when Blume said the production version of the Mission E concept would be a sports car that happens to be electric. As far back as 2009, in fact, Porsche has been openly discussing an electric 911, the caveat even then being that it has to perform like a Porsche while providing decent range. In the middle of 2014 it was reported that the carmaker might make a 700-horsepower 911 Turbo S hybrid, by the end of 2014 it was reported that the automaker wouldn't make a 911 hybrid. A year after that first report, a 911 hybrid was back on, using the E-Hybrid system supposedly dismissed six months before, and then last November we got spy shots of a 911 with a supposed PHEV port. But with its Mission E work, and being designated to lead the Volkswagen Group's R&D into performance hybrids, a battery-boosted 911 might finally make sense. Related Video: