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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

2014 Infiniti Q50 sees 3,650 pre-sales ahead of Aug. 5 debut

Infiniti's answer to the hot new sports sedans from BMW, Cadillac and Lexus is creeping closer and closer to its August 5 arrival in dealerships. And while we yet can't pass judgment on the Infiniti Q50 - formerly known as G37 - 3,650 Americans are apparently ready to, as they've already raised their hands for the 2014 model.
In a pre-sale program announced at the 2013 New York International Auto Show, Infiniti gave buyers until June 30 to raise their hand for the new model. "The Infiniti Q50 pre-sale exceeded all expectations, becoming the most successful such program in Infiniti history," according to Infiniti's American Vice President Ben Poore.
A lot is expected of the Q50, available in both rear- and all-wheel-drive and with an optional hybrid powertrain. With 328 horsepower from its 3.7-liter V6 engine, Infiniti is making sure the new car packs a big punch relative to the competition. Meanwhile, the Q50 Hybrid offers fuel-sippers 360 ponies and up to 36 miles per gallon.

Infiniti readies Juke-based ESQ crossover specifically for China

When most luxury automakers started getting into SUVs and crossovers, they started at with the largest models, but have gradually been getting smaller. Think Lexus and the LX, Audi and the Q7, or BMW and the X5, and you'll see what we mean, because each of them has been steadily downsizing its crossovers ever since. But Infiniti is going even smaller. At least, in China, anyway.
That's where the luxury marque from Nissan will soon be offering the new Infiniti ESQ. The smallest of Infiniti crossovers has been developed in China, exclusively for the Chinese market to meet Chinese tastes. It shares its underpinnings with the Nissan Juke, but instead of starting with the base model, Infiniti China has started with the more potent Juke Nismo - complete with 1.6-liter turbo four producing 197 horsepower - and added on premium accoutrements. The exterior that appears to be differentiated by a new grille and wheels, featuring the ESQ logo instead of Infiniti's, but the same quirky styling that sets the Juke apart. Though all we can of the interior is the steering wheel, you can bet that Infiniti gave the ESQ a more luxurious cabin space, too.
Infiniti's global communications manager Stefan Wienmann told Autoblog that the company is "expanding [its] portfolio not only globally but also specifically in China," adding the ESQ to a market-specific lineup that includes long-wheelbase versions of the Q50 sedan and QX50 crossover. "We see specific sales opportunities in this segment," explains Wienmann, adding that a targeted project like the ESQ "also enables us to gain experience in positioning a new premium model to the 'new millennials', a customer group that is very important to us."