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Mitsubishi admits to tampering with fuel economy data

Mitsubishi admitted this week to intentionally rigging fuel-economy testing in four of its models sold in Asia. The affected models are all so-called Kei class cars with sub-660cc engines manufactured at Mitsubishi's Mizushima plant in Okayama, Japan. About 157,000 of those cars are Mitsubishi eK wagons and eK Space models, and 468,000 are re-badged Nissan Dayz and Dayz Roox cars, which Mitsubishi produces for Nissan. The matter came to light after Nissan found inconsistencies in reported mileage data, which then led to Mitsubishi launching an internal investigation. The fraud was discovered to be related to falsified tire pressure data, which has an effect on mileage results – an important matter considering these kinds of vehicles are marketed by fuel economy. Mitsubishi said it has stopped manufacturing and marketing the affected vehicles. The news caused Mitsubishi's stock to plummet over 15 percent, slicing $1.2 billion off the company's value. When the eK models hit the market three years ago, they were decorated with a Good Design Award by the Japanese Ministry of Economy – a merit that is now surely tarnished. While Mitsubishi has been suffering in the US recently, with news of the Normal, Illinois plant closing, its small Mirage model has sold well. Related Video: Image Credit: Getty Images Green Plants/Manufacturing Mitsubishi Nissan Fuel Efficiency Hatchback Minivan/Van kei cars minicars

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 IDX production model to get sharper, less retro styling

The Nissan IDx seems like the type of concept that auto enthusiasts wish they could be driving. With a compact size, style inspired by the classic Datsun 510 and a rear-wheel-drive powertrain, it certainly ticks many of the boxes that people want. Unfortunately, the car seems to be miles away from actually getting a green light for production, but rumors about the retro coupe's future keep cropping up.
The last we heard about the IDx, the biggest complication with the coupe was that it was a tough project to make profitable. Nissan didn't have a cheap enough rear-wheel drive platform to make the affordable coupe work. The latest rumors point to a potential solution to this problem. According to Motoring from Australia speaking to an insider close to Nissan, the new plan is to tweak the styling to be less retro and adapt the car to work on the platform for the forthcoming, next-generation Z car.
The new look reportedly cribs from the Nissan Sport Sedan Concept from the 2014 Detroit Motor Show, including its floating roof design and sharper edges around the fenders. In terms of power, the source tells Motoring, the IDx could use a naturally aspirated 2.0-liter four-cylinder engine with around 180 horsepower on tap. That might not sound like too much, but remember the Z car itself is rumored to get smaller and lighter when it's new generation hits the stage. If the weight is low enough, potentially using it for the IDx might just work.