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Infiniti's variable compression engine in the 2019 QX50 is the first of its kind

The world's first variable compression ratio engine is here, in a production car. That car is the 2019 Infiniti QX50, debuting this week at the Los Angeles Auto Show. The midsize crossover has seen a refresh that has brought it an all-new platform together with new driver assist features, but it's the engine that's the centerpiece here. Nearly everything is continuously variable under the hood of the QX50 – not only the new shift-by-wire XTRONIC CVT. The new VC-Turbo gasoline engine is able to change its compression ratio from 8:1 to 14:1, or anything in between depending of the driving situation; whether there is need for top-end power or turbodiesel-like torque from low revs, or optimized fuel economy. The pistons' reach is continuously adjusted by an electric "Harmonic Drive" motor, which controls a multi-link system, affecting the top-dead-center of the pistons and changing the compression. The engine can also switch between efficiency-maximizing Atkinson cycle and regular combustion cycle, on the go – and there's both multipoint injection and gasoline direct injection employed. The result is 268 horsepower at 5,600 rpm and 280 pound-feet of torque at 4,400 rpm; good figures for a 2.0-liter four-cylinder gasoline engine with a single-scroll turbocharger. Infiniti says that the FWD version's fuel economy of 27 miles per gallon combined is 35-percent better than the previous-generation V6 engine; in AWD guise, it reaches 26 mpg, which is a 30-percent improvement. The new engine is pretty much all-aluminum, but the vaguely magical-sounding "transformative multi-link components" behind the variable compression system are made from high-carbon steel alloy. The engine's multi-link system also enables it to do away with any balancing shafts, and Infiniti compares its smoothness to a V6 rather than a regular four-cylinder. In addition to the aforementioned tech, the VC-Turbo engine has the world's first active engine mount vibration damping system to smoothen its operation even further. Related Video:

Infiniti Q60 Concept a shadowy vision of future coupe

Until now, the Infiniti Q60 has been one of the brand's holdovers from its old naming scheme and previous design ethos, as a rebadged G37 Coupe. Those times are coming to an end though, because we are getting our first glimpse at a Detroit Auto Show-bound concept that previews the next-gen two-door. Infiniti's freshly released teaser shows the sport coupe concept in shadowy silhouette. Based on this photo, we can see that the Q60's design features delicately swooping lines with a touch of hard-edged contrast coming from sharp creases in the body. Portions of it, especially towards the rear, bring a little of the Q80 Inspiration from the Paris Motor Show to mind. A previous rumor suggests this shape is very close to the actual design of the production version. Infiniti subtly reiterates that in its release by saying the concept foreshadows the styling we might see in future products from the luxury automaker. Scroll down to read the concise announcement for the Q60 concept. Infiniti Q60 Concept: The Power of Exhilaration December 12, 2014 Hong Kong – Infiniti today gives an intriguing first look at the premium sports coupe concept to be displayed at the 2015 North American International Auto Show (NAIAS) in Detroit. Muscular lines are revealed in the silhouette of the Q60 Concept: pure, well-defined contours, making the concept's intentions easy to understand at first glance. Overall proportions and full-sized wheels placed out at the corners of Q60 Concept make an unmistakable design statement and add to the exhilaration of the performance coupe. This latest concept builds upon the design language seen on recent Infiniti concept cars, foreshadowing the strong visual consistency to be a key ingredient of products in the future Infiniti lineup. ENDS

Infiniti readying small crossover for China, is it Juke based?

The small crossover is the superstar segment of the global automotive industry at the moment. With the love that Nissan has for the form with vehicles like the Juke and the Rogue, it should come as no surprise that Infiniti is going to hop into the market as well. However, its luxury CUV is likely going to remain exclusive to China for the time being.
The first hint of the Chinese Infiniti crossover leaked as dark silhouette looking a lot like the Juke, during a brand press conference said to be held in Beijing. It suggested that the model would use the Nissan platform but incorporate unique styling.
Leftlane News speculated that it could be among the company's debuts at the upcoming Beijing Motor Show, but that appears not to be the case. Infiniti spokesperson Kyle Bazemore has confirmed to Autoblog that a "small premium crossover" is under development for China. However, "Details of the vehicle will be announced at a later date. It will not debut at Beijing Motor Show," he said. Also, don't get too excited about the prospects of driving an Infiniti small CUV, because Bazemore says the company has no plans to offer this model elsewhere.