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Ghosn shares 'truth about Autonomous Drive cars'

Drive our cars. No, wait, don't drive our cars. Nissan chief Carlos Ghosn is delivering a message about autonomous driving that's less mixed than it sounds on the surface. As part of his public dialogue from LinkedIn's "Influencer" series, Ghosn said in a company announcement that "hands-free" driving is part of the Japanese automaker's "near-term technology." In fact, cars that can self-drive in heavy, stop-and-go traffic, may be ready for the market by late 2016. That should please texters everywhere. 2018 may be the year cars with lane-changing, hazard-avoiding capabilities will see the light of day, while by 2020, Nissan may feature a "complete package" of autonomous-driving features, Ghosn writes. As for the proverbial driver-less car? That's at least a decade out but ultimately likely, according to Ghosn. Nissan said early last year that some autonomous versions of its vehicles may be available in the US by the end of the decade, and that it was in talks with California regulators about the idea of self-driving cars on the state's roads. Nissan has worked with institutions such as MIT, Stanford and Oxford at developing autonomous-drive concepts, and has tested self-driving versions of the Leaf electric vehicles in Japan. Check out excerpts of the Ghosn "interview" below. The truth about Autonomous Drive cars, by Carlos Ghosn The following is the latest from Carlos Ghosn's LinkedIn Influencer series. Read all of Mr. Ghosn's LinkedIn Influencer articles here. There has been a lot of talk in the media recently about "Autonomous Drive" technology and a potential future of driverless cars. No doubt, Autonomous Drive technology will change how we approach driving. I expect it to result a significant transformation in transportation. But all the talk has left many drivers a bit confused. After years of promoting "eyes on the road, hands on the wheel," the auto industry is now talking about reading your email or a book while you drive – and the prospect of maybe not even needing a driver. So it's a good time to address the questions that arise whenever this subject comes up: Q: What is Autonomous Drive? A: Autonomous Drive combines the technology of robotics, artificial intelligence, sensors and car-to-car connectivity. It is a range of technologies that will be added to our cars over the next several years.

Automakers Renault, Nissan will become equals, with equal stakes in each other

TOKYO — Nissan and Renault have agreed to equalize the stakes they hold in each other, both sides said Monday, ironing out a source of conflict in the Japan-French auto alliance. Up to now, Renault Group has held a 43.4% stake in Nissan Motor Co., potentially giving it a larger say in how the Japanese automaker is run. It will transfer shares equivalent to a 28.4% stake to a French trust so each side will hold the same 15% stake in the other, according to the companies. The disparity between the holdings was a cause of friction, especially after Nissan became far more profitable than Renault. The agreement on the change is still being finalized and needs board approval from both companies. The companies said the shares in the French trust can eventually be sold but did not say to whom or how. They said the sale will be carried out in a “coordinated and orderly process” if a deal makes commercial sense to Renault Group, and that there is no time deadline. Until then, the voting rights would be “neutralized” for most managerial decisions, but the economic rights, such as dividends, will continue to go to Renault, the companies said. The top shareholder in Renault is the French government. Japanese Prime Minister Fumio Kishida met with French President Emmanuel Macron earlier this month. The alliance has had its ups and downs since it began in 1999, when Renault sent one of its executives, Carlos Ghosn, to then-struggling Nissan to lead a turnaround. Ghosn first served as Nissan's chief executive and later its chairman before he was arrested in late 2018 on various financial misconduct charges. The alliance, which also includes smaller Japanese automaker Mitsubishi Motor Corp. and remains one of the world's top auto groups, has been eager to put the Ghosn scandal behind it. Allegations against Ghosn include underreporting income, using investment funds for personal gain and illicit use of company expenses, including overseas homes and a yacht. Ghosn said he is innocent of all charges. He jumped bail in late 2019 and is now in Lebanon, which has no extradition treaty with Japan. The equalization of the crossholdings has been speculated about for some time. The companies called the move “an important milestone.” “The ambition is to strengthen the ties of the alliance and maximize value creation for all stakeholders,” said Nissan, based in the port city of Yokohama.

Infiniti's new VC-T changes the rules of small turbocharged engines

The upcoming Infiniti QX50 crossover does not get our pulse racing, no matter how shapely the QX Sport Inspiration concept that previews it may be. No midsize SUV does, to be fair. But it has something special under the hood – the world's first production variable-compression-ratio engine. That means the QX50's 2.0-liter turbo four, which makes 268 horsepower and 288 pound-feet of torque, will have up to 27 percent better fuel economy. Here's how it works. The trend of moving to smaller, turbocharged engines carries with it one big falsehood. Under low load when the turbo isn't needed, these engines are less efficient than an equivalent engine without a turbo because of the low compression ratio the turbo requires. That is, if you never need the extra power, you're wasting fuel. Turbocharged (and supercharged) engines use a lower compression ratio to prevent detonation. When you force extra air in a cylinder and mix it with fuel, it's more likely to prematurely go boom. Lowering the compression ratio prevents this problem, but it's less efficient. Infiniti's VC-T promises the best of both worlds, with a compression ratio that ranges from 8.0:1 for high-power turbo needs to a 14.0:1 ratio for fuel-sipping efficiency. At its heart the VC-T engine is a simple idea, but it's complicated to explain. Consider yourself warned. The photo below from Infiniti serves as a good visual overview. For the truly nerdy, this patent application covers the mechanical concept. Instead of having the pistons connected to the crankshaft, Infiniti's engine has a pivot arm with a connection on each end. One end connects to the piston, the other connects to a second lower shaft, which is controlled by an actuator arm. At any given time the engine's pistons move up and down according to the lobes on the crankshaft. But the actuator arm can change the angle of the pivot arm up and down. That is, the pistons still move in the same motion with the same stroke, but phase the entire stroke up or down. Move the pivot up and there's less room at the top, which means a higher compression ratio. Move the pivot down and the compression ratio goes down, too. As an added bonus, the lower shaft eliminates the need for counter-rotating balance shafts. Infiniti says this system works constantly and can vary the compression ratio to any number between 8:1 and 14:1. It also uses electronic variable valve timing on the intake valves to switch into Atkinson-cycle combustion for greater efficiency.