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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

Datsun previews new budget sedan for Russia [w/video]

Nobody does cars on the cheap quite like the Renault-Nissan Alliance. The former part of the equation already has its Dacia brand of cost-effective, no-frills vehicles that have become a favorite of Top Gear co-host James May, and last summer, the latter revived its Datsun nameplate for a budget brand of its own.
The reborn Datsun launched in India this past July with its Go hatchback, returned in September with the Go+ minivan and revealed the Redi-Go concept just last month. And now it's given us our first look at an upcoming budget sedan developed specifically for the Russian market.
The as-yet unnamed vehicle (which we'll bet will incorporate the word "go" into its nameplate somehow) is set to debut on April 4, where it will launch the Datsun brand in Russia. Few details are available at this point, but the low-cost sedan was designed in Japan to offer Russian drivers "an engaging driving experience, peace of mind ownership and accessibility at the right and transparent price, with a competitive Total Cost of Ownership."

Renault-Nissan-Mitsubishi adopts Android infotainment in coup for Google

PARIS — The Renault-Nissan-Mitsubishi carmaking alliance said on Tuesday it will adopt Alphabet's Google Android operating system, handing a victory to the U.S. tech giant as it pushes for a bigger share of the infotainment market. Renault, Nissan and Mitsubishi, with combined sales of 10.6 million vehicles last year, said future models will "integrate Google applications and services" including Maps and the voice-commanded Google Assistant. The move, first reported by the Wall Street Journal, leans more heavily on Big Tech than large or luxury rival carmakers have hitherto been willing to do. Many fear losing control of customer relationships, data and potentially significant future revenue from connected services. Some smaller manufacturers such as Volvo Cars have decided to embed Android Auto in their vehicles. But the scale of the shift by Renault-Nissan-Mitsubishi may cause a broader rethink of costly standalone tech strategies. "Major carmakers earlier were reluctant to do business with Google, but this has now changed," said Jauke de Jong, a research analyst at AFS Group in Amsterdam. "More carmakers could follow suit and partner with Google." Until now, carmakers have largely chosen Linux, Microsoft or QNX software to power infotainment. That yields clunkier platforms they can control, but which offer little scope to add new apps or functionality. Far more than just hooking up a phone The news may spell trouble for certain existing auto-tech suppliers such as mapping specialist TomTom, which counts Renault among its customers. Shares in the Dutch group fell by more than quarter after the announcement. In return for handing Google the infotainment keys, the alliance will bring the full clout of Android's thousands of apps to its brands' lineups — which include a strong contingent of affordably priced, no-frills models for emerging markets. The partnership promises "rich user experiences that are currently available only outside the vehicle or, to a limited extent, by connecting an Android device to supported vehicles," alliance development chief Hadi Zablit said. While many volume carmakers offer infotainment "mirroring" to pair with Apple iPhones or Android smartphones, premium rivals such as BMW and Daimler's Mercedes-Benz are investing heavily in their own operating systems, vocal assistants and connected services.