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2013 Nissan Pathfinder: July-September 2013

This Nissan is the most in-demand long-term vehicle we've ever had.
They may not readily fall into the sweet spot of driving enthusiasts, but our year-long test of this Nissan is proving to be an object lesson in why crossovers are so popular - especially large ones like our three-row Pathfinder. In fact, it's been so busy that it's hardly been at a standstill long enough to pen an update, which is why this one is late. Simply put, this Nissan is the most in-demand long-term vehicle we've ever had, racking up more miles and more long-distance trips than any LT vehicle in the Autoblog stable.

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

Nissan ZEOD RC stretches its legs for the first time

Ever see one of those videos where a baby deer is born and immediately starts walking? Well, this isn't one of those. For starters, the Nissan ZEOD RC isn't exactly a newborn. Nissan took the design of the DeltaWing, gave it a hybrid engine and called it something new. And it hardly started galloping straight out the box, either: this was just a low-speed demonstration run, held at Fuji Speedway where it debuted this past weekend.
Still, seeing the car that's destined to take the first lap of Le Mans under electric power alone actually start up and run is something of a landmark in the development of electric racing cars - even if this is, despite Nissan's best efforts to avoid the term, a hybrid, not a pure EV. The name stands for Zero Emissions On Demand, not zero emissions all the time. But then ZEATT wouldn't make for a very good name anyway, would it? See for yourself in the video below.