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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

2015 Nissan Micra is your cheapest new car, Canada

Canadians looking for a brand-new car on the cheap, take note. This is the 2015 Nissan Micra, and it will arrive at dealerships this spring boasting a starting price of $9,998 Canadian dollars (circa $9,100 US), well under the $11,898 asked for a 2014 Versa Sedan.
Of course, that ultra-low asking price isn't for a fully loaded model. The Micra will arrive in the Great White North in three trims - S, SV and SR - with the buyer's choice of a five-speed manual or a four-speed automatic. A 109-horsepower, 1.6-liter four-cylinder is the sole engine choice. There will also be a number of accessory options that should allow some personalization for the small cars, with Nissan claiming that things like door handle finishers and mirror caps will be available in five different colors (plus chrome) for under $200.
"At Nissan, we understand the need in Canada for small, urban-friendly cars that are fun to drive and express their driver's personality. With Micra, we're delivering a proven global vehicle at a very attractive price - it's going to make a huge impact on the market," said Christian Meunier, the President of Nissan Canada.

Nissan Rogue redesigned with three rows for 2014

Nissan has been on a roll lately, redesigning its core model line with all-new versions of the Altima, Pathfinder, Sentra and Versa Note released this year. But the Japanese automaker wouldn't leave out the Rogue, its second-best-selling model in the US.
Like the Range Rover Sport, Mitsubishi Outlander and Ford Explorer, the second-generation Nissan Rogue has gained an optional third row of seats for seven-passenger capability. Along with the middle and rear rows, the front passenger seat can also be folded flat for the benefit of cargo capacity, and the cabin has been redesigned for an airier look and feel.
Despite the added space inside, the new Rogue is only marginally larger than the model it replaces, with a 0.6-inch longer wheelbase offset by shorter overhangs front and rear. A lower drag coefficient ought to help reduce wind noise and improve fuel consumption as well.