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Japan plans real-world diesel emissions test after companies fail

Japan's transport ministry plans to start real-world diesel emissions tests after an experiment found four models from Toyota, Nissan, and Mitsubishi that produced more nitrogen oxide (NOx) emissions than the nation's rules allow, according to The Japan Times. Regulators there usually only perform emissions checks in the lab. The VW diesel scandal has everyone double-checking their figures. Diesel versions of the Toyota Hiace van, Land Cruiser Prado, and Nissan X-Trail produced up to 10 times more NOx than allowed. The Mitsubishi Delica D:5 was up to five times over the limit, The Wall Street Journal reports. There was no evidence of defeat devices in the vehicles. Mazda performed well in the experiment, though. The CX-5 passed with nearly the same results on the road and in the lab. The Demio, better known as the Mazda2, did nearly as well with only slighter higher figures in the real world than in the controlled setting. The experimenters theorized the reason for the excessive emissions was that cold weather caused the engines' software to shut off the exhaust gas recirculation to prevent damage, according to the WSJ. However, this behavior also increased NOx production. Toyota, Nissan, and Mitsubishi don't have to worry about punishment from the transport ministry because this check was just an experiment. Their models already passed the mandated lab tests, which was the only requirement, according to The Japan Times. As governments begin greater real-world emissions tests, the results suggests diesels aren't very clean. A recent check in France found models from Ford, Renault, and Mercedes-Benz that didn't perform up to the standards. Regulators in India conducted similar evaluations and ordered VW to recall over 300,000 vehicles. Related Video:

Nissan may take control of struggling Mitsubishi Motors

Update: The reports were largely correct. Nissan will take a 34 percent stake in Mitsubishi for roughly $2.2b. Read all about it here. Reports say Nissan will buy a controlling stake in Mitsubishi Motors, either 30 or 34 percent, for about 200 billion yen or $1.84 billion. Nissan and Mitsubishi motors are currently part of a joint venture, NMKV, to build minicars together. Nissan is also responsible for reporting fuel-economy discrepancies with cars built under the joint-venture agreement, which put Mitsubishi in its current weakened state. Earlier today, reports surfaced that the fuel-economy issues were wider ranging than originally thought. Mitsubishi now admits that all of its Japanese-market cars sold since 1991 could have had faked fuel-economy data. Shares of Mitsubishi Motors have dropped by about half since the scandal was uncovered, opening the door for a takeover. While Nissan is a much larger company, it can benefit from Mitsubishi's 60-percent share of Japan's minicar market. The two companies also had plans to build electric vehicles together in the joint venture. Japan's Nikkei reports that talks are ongoing between the company and that a decision could be made Thursday by the companies' boards. Related Video: News Source: Nikkei Green Mitsubishi Nissan

2013 Nissan Pathfinder drivers reporting loss of power, 'shuddering' [w/video]

No one appears to have a handle on the numbers, but more than a few owners are registering the same complaint about the CVT-equipped 2013 Nissan Pathfinder: that it "shudders" and loses power when accelerating from a standstill or at low speeds. According to posters at places like Pathfinder Talk, Edmunds, Auto Recalls for Consumers and About Automobile, it happens between about 20 to 40 miles per hour, the sensation is described as being like "driving over a rumble strip" and the power loss occurs for about three to four seconds.
ABC 13 in Houston rode with Pathfinder owner Marlise Holzworth to experience the issue, Holzworth saying that it feels like her vehicle is about to stop when the shudder occurs. Nissan responded to the report, saying that, "A new part has been developed for 2013 Pathfinders that exhibit symptoms similar to those Ms. Holzworth describes. The necessary part should be available at Nissan dealers in June."
Likewise, according to a post on the PathfinderTalk forum, user Krsin97 was informed by a Nissan engineer in April that "[We] are aware of the problem and Nissan is working on update that will come out at the end of June to eliminate the problem."