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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:

Autoblog Minute: Highlights from the 2015 Tokyo Motor Show

The 44th Tokyo Motor Show is here with plenty of exciting new car reveals, like the stunning Mazda RX-Vision concept and the wild Nissan Concept 2020 Vision Gran Turismo. Autoblog's Chris McGraw reports on this edition of Autoblog Minute, with commentary from Autoblog's Managing editor, Steven Ewing. Show full video transcript text [00:00:00] The 44th Tokyo Motor Show is here with plenty of exciting new car reveals and lots of tech-heavy concept vehicles. I'm Chris McGraw and this is your Autoblog Minute. The Tokyo Motor Show opens to the public but for those unable to make it to Japan Autoblog is on hand to report. For more we go on location to Tokyo and Autoblog's Managing editor, Steven Ewing. [00:00:30] - [00:01:00] [Steven Ewing Interview] And that's your recap of the 44th Tokyo Motor Show, for our detailed coverage of the event be sure to head to Autoblo.com/tokyo-motor-show. For Autoblog, I'm Chris McGraw. [00:01:30] [Outro] Autoblog Minute is a short-form video news series reporting on all things automotive. Each segment offers a quick and clear picture of what's happening in the automotive industry from the perspective of Autoblog's expert editorial staff, auto executives, and industry professionals. Green Tokyo Motor Show Mazda Subaru Suzuki Coupe Concept Cars Autoblog Minute Videos Original Video Tokyo 2015

Mazda, Mitsubishi, and Subaru expand global Takata recalls by 715k [UPDATE]

UPDATE: Subaru of America spokesperson Michael McHale tells Autoblog that the company is recalling 78,000 Imprezas from the 2004 and 2005 model years in the US. This is a national expansion of the company's previous regional recall for the Impreza. The Takata airbag inflator recall just keeps growing. The latest expansion encompasses 715,000 vehicles from Mazda, Mitsubishi, and Subaru. Many of the affected models are in Japan. The largest expansion from these three automakers comes from Mitsubishi. According to Reuters, the company is adding 100,000 vehicles in Japan and 412,000 outside of the country without identifying any specific regions. Mazda is issuing safety campaigns for 112,000 vehicles in Japan, and some of these include models that the company produces there for Mitsubishi and Nissan, according to Reuters. In statement to Autoblog (embedded below), Mazda said that it is still evaluating the situation in terms of a possible effect on the US. Finally, Subaru is calling in 91,000 Imprezas in Japan. At this time, it isn't clear whether Mitsubishi's or Subaru's expansions affect the United States, but Autoblog has reached out to them for more information. According to research by the National Highway Traffic Safety Administration, exposure to moisture can cause the propellant in these inflators to ignite too quickly and cause these dangerous ruptures. Takata has also been investigating the problem. Related Video: Mazda statement "We are aware of the NHTSA/Takata announcement, and are evaluating the effects of it on Mazda. As soon as we have had a chance to fully evaluate the situation – number of vehicles affected, age of those vehicles, where they're located, etc. – we will be able to share those details."