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A look inside Infiniti's variable-compression engine

We're sympathetic to anyone who had trouble understanding what's going on with Infiniti's new variable-compression engine. While we got a full tech briefing on the novel VC-Turbo back in August, the visual aids were lacking. The cutaway engine Infiniti brought to the Paris show fixes all of that. You can thank the little green and pink lines on the cutaway for making the whole idea a little more clear. Click through the gallery to see two lines – one green and one pink – that represent the different strokes allowing for different compression ratios. Remember, the compression ratio is the amount of volume in the cylinder on intake compared to the amount at the end of the compression stroke. Leave more room at the end and you lower that ratio. The length of the stroke doesn't change with this system, but where it sits along the cylinder does. Hence those two lines. The variable compression ratio allows this new turbocharged engine to maximize fuel economy when the turbo isn't needed by raising the compression ratio. It will see its first use in the next Infiniti QX50 crossover, previewed by the QX Sport Inspiration concept that's also on display in Paris, and has performance targets of 268 horsepower and 288 pound-feet of torque. After, it will migrate to other Infiniti and Nissan vehicles, with transverse front-drive-based applications first in line. Eventually, it's likely to completely replace Nissan's corporate 3.5-liter V6. We'll be poking around the engine a little more in Paris today to try and get some more info. For now, enjoy those cutaway images and those friendly little lines. Featured Gallery Infiniti VC-Turbo engine cutaway View 14 Photos Paris Motor Show Infiniti Nissan Technology Emerging Technologies engine 2016 paris motor show

Red Bull Racing unveils RB10 as pre-season testing kicks off

Ladies and gentlemen, here's the car that will win the 2014 Formula One World Championship... probably. Maybe. The success of Red Bull Racing over the past several years means that the debut of its 2014 challenger is one of the more note-worthy events of the preseason, showing off the latest piece of aerodynamic mastery from Adrian Newey.
Like the Ferrari F14 T, the Red Bull RB10 features a more conventional nose, which still plunges rather dramatically ahead of the front wheels. We're seeing a very interesting split early in the season between the top teams like Red Bull and Ferrari, who are opting for a more traditional design, and the mid-pack challengers, which are being more aggressive with their aerodynamics. Seeing how this plays out during the season will be very interesting. As for RBR's design, it's attractive, but wasn't easy to pen, according to Newey, who found the turbocharged V6s a difficult piece in the new F1 puzzle.
"Whereas the V8s were a very well-known package, with these power units, the engine itself is easy enough to install, but then of course you've got the turbocharger, the intercoolers, and the electrical side in terms of the motor generator units and much bigger batteries," Newey told the official Formula One website.

2019 Infiniti QX60 Drivers' Notes Review | Past its prime

The 2019 Infiniti QX60 is a three-row crossover from Nissan's luxury brand. It's based on the Nissan Pathfinder, sharing the same basic platform and powertrain. It sits near the top of Infiniti's lineup, above the new QX50 and just below the body-on-frame QX80. That said, the car-based platform underneath the QX60 means its actually more spacious than its truck-based sibling. Power comes solely from a 3.5-liter V6 making 295 horsepower and 270 pound-feet of torque. All-wheel drive is available, though our tester was a front-wheel drive model. The 2019 QX60 starts $46,795, but our tester has nearly $20,000 worth of options. The $5,000 limited package adds upgraded leather on the seats and steering wheel, dark wood trim, 20-inch wheels and chrome trim on the exterior. The $3,400 proactive package adds safety features like lane-departure warnings, blind-spot monitoring, backup collision intervention and adaptive cruise control. Other options include back-seat entertainment ($2,150), a wifi hotspot ($495) and the $3,500 sensory package (a Bose audio system, ventilated front seats, heated second-row seats, a motion-activated liftgate and a moonroof for the second and third rows). Editor-in-Chief Greg Migliore: I'm immediately struck by the interior. It's quiet and comfortable. The quilted leather on the door panels is almost decadent. Infiniti is really going for it with this kind of interior styling. Some might say it's a little bit much, but generally, I think the company gets it right. Same with the outside. Infiniti tries to make a statement, and this swoopy, creased design is reason enough to buy the QX60. Our tester has the 295-hp V6, which is plenty capable. There's a lot of torque steer with the front-wheel-drive setup. It's kind of fun, but not really the dynamic most buyers are going for it. Overall, I like the QX60. It's big, comfortable, luxurious and powerful. Get AWD, though, as FWD in the snow is a little squirrely in something this large. Road Test Editor Reese Counts: Unlike Greg and Joel, I wasn't bowled over by the interior. I couldn't find a comfortable seating position for the life of me. The bottom cushion wasn't deep enough and the back seemed to protrude out at odd points into my spine. The leather looks and feels OK, but that was my only highlight. The overall interior design looks fat and boring, especially compared to models from Mercedes-Benz and Lexus. Just look at some of the details like the vents and steering wheel.