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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

Infiniti QX Sport Inspiration Concept previewed ahead of Beijing debut

Infiniti's exterior design has been on point lately. The Q50, QX30, and especially the new Q60 Coupe are among the best looking vehicles in their respective segments. The company's designers even managed to make the homely QX60 look good. And now, those same stylists have issued their official preview of the successor to the QX50. It's called the QX Sport Inspiration Concept and will make its official debut tomorrow at the 2016 Beijing Motor Show. It's not hard to look at this stylish concept and imagine the second-generation QX50, formerly known as the EX. The proportions are just right, for one. The rear overhang is perilously short and the rear glass is raked aggressively – both work with the squat greenhouse and powerful hood to cut a sporty silhouette. The QX Sport Concept's headlights are better looking than the current model's, but still provide a menacing scowl as they flank the trademark Infniti grille. We like the large, air-curtain-style vents behind the front wheels, too; they're a more aggressive, functional take on the current QX70's side vents. The QX Sport's cabin is bisected by a high transmission tunnel, emulating the cockpit-like layout of the current model. And like in that car, this driver-focused layout demands driver-focused interfaces, like the flat-bottomed steering wheel and aggressive, single-piece bucket seats. We wouldn't count on that last item making the production shortlist, though. We'll have more on the QX Sport Inspiration Concept when it debuts tomorrow evening. Stay tuned. Related Video:

Infiniti boss ices plan for EV

Infiniti President Johan de Nysschen has postponed plans for an electric vehicle in order to focus on high-volume models. Automotive News reports de Nysschen is attempting to be realistic about Nissan CEO Carlos Ghosn's goal of nearly tripling Infiniti global sales from 170,000 units last year to 500,000 by March 31, 2017, saying, "500,000 cars by 2017 is an inordinately ambitious challenge." An electric vehicle would likely sell in rather small numbers.
Still, the executive is already making moves to improve Infiniti sales worldwide with new production in both China and England. Meanwhile, the company plans to unveil a new volume compact sedan set to bow in 2015. Meanwhile, de Nysschen is also working on two new models above the company's current M line. Those will borrow styling cues from machines like the Essence Concept, but will be far less exotic, tilting more toward high-performance luxury than true sports car.