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Nissan alters all CVTs to act less like a stretched rubberband

Among automotive enthusiasts, no one seems to hold a neutral opinion when it comes to continuously variable transmissions. CVTs are either praised for their ability to boost fuel economy or chided for their occasionally poor driving dynamics. Nissan is among the masters of these un-shifting gearboxes in the US, and it uses them in many vehicles in its lineup. However, for the 2015 model year, several models are getting a software update to make their CVTs a bit more like a conventional automatic.
To give drivers the option of feeling gearshifts while on the road, Nissan is adding its D-Step Shift Logic feature to the CVTs in multiple vehicles. Steve Powers, Nissan's senior manager of powertrain performance, told Autoblog the system forces the transmission to "hold a ratio and then shift" to simulate the way that a traditional automatic would. It's simply a change in software, but the company "can't do it to older CVTs," he said, because it would require changes to transmission logic, as well. According to Automotive News, the upgrade is coming to the 2015 Versa, Versa Note (pictured above), Sentra, V6-equipped Altima, Pathfinder and Quest. "We're rolling it out to all programs," said Powers.
Interestingly, buyer perception appears to be pushing the upgrade. John Curl, a Nissan North America regional product manager, told Automotive News that the decision to add the tech partially comes because some owners are bothered that the CVTs aren't changing gears. According to Powers, D-Step "avoids the rubber band feel," that many drivers didn't like. The different sensation of these transmissions seems like something consumers would notice during the test drive, or that the salesperson would inform them about. The same issue cropped up last year when the company was facing customer satisfaction problems among new buyers customers' unfamiliarity with the gearboxes.

Nissan Leaf battery cells put through torture test, live to charge again

One minor chink in the armor of the Tesla Model S is that a small number have caught fire, once their battery packs were penetrated. Nissan Leaf drivers, however, might just be able to weather such an event without an ensuing CarBQ. Our evidence for such a claim? A video that has surfaced of cells from a Leaf pack undergoing a battery of torture tests (pun somewhat-ashamedly intended). Shared by folks at the Hybrid Auto Center in Las Vegas – who offer for sale, among other things, used Leaf lithium battery modules – the footage shows salvaged cells being brutally assaulted with a screwdriver, and later, a propane torch. Granted, these tests are not the same thing as flinging a piece of metal into a working pack at 70 miles per hour, but they do claim to show that a puncture does not always equal a fire. Oh, and don't try this at home. When pierced through by the flat head tool, there is no explosion or eruption of flame. Instead, a rather modest wisp of smoke shyly emerges as the electrolyte next to the shorted area of the fully-charged foil pouch reacts with the influx of oxygen. Again and again, the blade descends, until the cell is riddled with holes. No fire. Amazingly, when connected with a voltmeter afterward there are still plenty of signs of life, and when it is charged and discharged (off-camera), it reportedly suffers only a slight loss of charge capacity. The video goes on to show another cell attacked with open flame with similar results. While the demonstration is, perhaps, somewhat crude, the message it sends is loud and clear: lithium batteries can be safe and rather robust, despite some freak accidents. Scroll below to watch the short presentation for yourself. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.

Nissan, Fisker in advanced talks on investment, partnership

Nissan is in advanced talks to invest in electric vehicle maker Fisker in a deal that could provide the Japanese automaker with access to an electric pickup truck while giving the struggling startup a financial lifeline, according to two people familiar with the negotiations. The deal could close this month, said the sources, who asked not to be identified because the talks are ongoing and have not been finalized. Terms being discussed include Nissan investing more than $400 million in Fisker's truck platform and building Fisker's planned Alaska pickup starting in 2026 at one of its U.S. assembly plants, one of the sources said. Nissan would build its own electric pickup on the same platform, the source said. Nissan has U.S. assembly plants in Mississippi and Tennessee. Fisker said on Thursday, when it announced it might not be able to continue as a going concern and would cut 15% of its workforce, that it was in talks with a large automaker for a potential investment and joint development partnership. It did not name the automaker. A Fisker spokesman said the company does not comment on speculation, while Nissan officials were not immediately available to comment. Fisker shares had been down about 45% before the Reuters report but pared those losses and were trading down about 25% with a market capitalization of more than $295 million. The term sheet is ready and the deal is going through due diligence, one of the sources said. Nissan was an EV pioneer with its fully battery powered Leaf hatchback in 2010 but has since struggled in the face of nimbler new entrants. A deal with Fisker would help it move into the growing U.S. electric pickup market. Nissan's talks with Fisker comes in the wake of the former's “rebalanced” relationship with its long-time alliance partner Renault. Last year, Nissan and Renault finalised terms of a restructured alliance after months of negotiations. They aim to have cross-shareholdings of 15% as part of the deal. The more limited alliance removes certain restrictions and has opened the door for Nissan to develop growth plans in areas such as EVs and software independent of Renault, said one of the sources, who is familiar with Nissan's thinking. The Yokohama-headquartered automaker is scouring “many, many opportunities,” the person said.