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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:

Toyota, Ford decide to end hybrid collaboration before it starts

Not all so-called Memorandum of Understanding pacts end in actual collaborations. For instance, after a two-year "feasibility study," Toyota and Ford have just announced that they will not be developing hybrid systems for use in light trucks and SUVs as previously planned, and the two automakers will instead continue to develop their own hybrid technology independently.
The would-be collaboration was first announced in August of 2011, and would have seen a rear-wheel-drive hybrid platform that would "improve the efficiency of trucks and SUVs while still allowing them to be driven in the way customers expect," according to our initial post on the topic.
Keep in mind that this announcement isn't to say we shouldn't expect hybrid pickups and SUVs from the two automakers, but that they probably aren't coming very soon - Ford says it will have a system "before the end of this decade" and we haven't heard much from Toyota on the hybrid truck front since the 2008 A-BAT Concept (pictured above) - and that they will not share any components between them (and they never have, for what it's worth).

2020 Toyota Yaris hatchback could return as a Mazda2 clone

Less than a week ago we got the news that Toyota killed the 2019 Yaris Liftback in the U.S., instead choosing to sell the remaining inventory from 2018. There should be plenty of stock left, too: Car and Driver reports that Toyota sold 1,940 of the tiny hatches last year. The automaker said it would have an announcement about the Yaris at this year's New York Auto Show in April, telling Automobile, " We're working on something new for MY2020." C/D thinks it already knows what's coming, writing, "We assume ... that the new Yaris hatchback ... will be a rebadged Mazda2, like the current Yaris sedan that Mazda builds for Toyota in Mexico." Toyota and Mazda formed a development- and technology-sharing partnership in 2015. As part of the collaboration, we got the Scion iA in 2016, based on the Mazda2 sedan. That four-door became the Toyota Yaris iA when the Scion brand got put in the ground, and then became just the Yaris for 2019. In spite of Americans' well-publicized aversion to sedans, the trunked Yaris sold 25,269 units last year. Meanwhile, the Yaris hatch, built at a Toyota factory in France, has carried on basically untouched since 2013 — with a four-speed automatic, even — helping to explain its slow take-rate. If the Yaris five-door moves to the Mazda2 platform, we expect it to follow the same formula as the sedan. That means a 1.5-liter Skyactiv-G four-cylinder with 106 horsepower and 103 pound-feet of torque. That's the same output as the Toyota NR engine in the current hatch, but from a better, more modern engine. Transmission options would include a six-speed manual as standard on the L and LE trims. For 2019, Toyota added an XLE trim to the sedan that comes with a six-speed automatic. Assuming all comes to pass, the new Yaris five-door would be built at Mazda's Mexico plant alongside the sedan. But we'll have to wait until New York to know for sure. Related Video: