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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:

2020 Mazda3 gets five-star overall rating from NHTSA

Mazda is adding another figurative piece of silverware for its heralded Mazda3, this time in the form of a five-star overall rating from the National Highway Traffic Safety Administration. The designation applies to both the hatchback and four-door sedan, and front- or all-wheel-drive versions. Mazda’s entry-level compact, which underwent a dramatic redesign for 2019, notched five-star ratings across the board: frontal crash, side crash and rollover crash tests. The Mazda3 has also been named Top Safety Pick+ by the Insurance Institute for Highway Safety, with top scores on all crash tests and ease of use of the LATCH child-seat system, but an acceptable rating for its headlights as the only slight ding. Mazda opted to make its i-Activsense safety technology system standard on the 3 for 2020. It covers NHTSAÂ’s recommendations of having forward collision warning, lane departure warning, crash imminent braking and dynamic brake support, and it adds features like blind-spot monitoring, driver attention alert, automatic on-off LED headlights and rain-sensing windshield wipers. The fourth-generation car also got a stiffer body with a 10-fold increase in high-strength steel and a revamped suspension. Mazda sold 50,741 examples of the Mazda3 last year, which made it the automakerÂ’s No. 2 nameplate, though well behind the CX-5, which moved 154,545 units. Sales in January were off 45.7% from the prior year, when the new version wasnÂ’t yet on sale, suggesting that despite its distinctive looks and accolades from the motoring press, the Mazda3 is fighting an uphill battle against crossover-dom. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.    

Lucid Air and Maserati MC20 unveiled | Autoblog Podcast #644

In this week's Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Associate Editor Byron Hurd. Before they get to the juicy news of the week, they chat about the cars they've been driving, including a Ford Mustang Shelby GT350R, Audi A6 Allroad, Mazda CX-9 and Kia Niro. It's been a busy week in the news department, with GM investing in Nikola, Lucid Motors launching the Air electric sedan, Maserati unveiling the MC20 mid-engined supercar and a farewell to the Lexus GS. Then they talk about having a newfound respect for the Fox Body Mustang and the Mazda CX-9. Autoblog Podcast #644 Get The Podcast iTunes – Subscribe to the Autoblog Podcast in iTunes RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Rundown Cars we're driving 2020 Ford Mustang Shelby GT350R 2020 Audi A6 Allroad 2020 Mazda CX-9 2020 Kia Niro GM buys $2 billion stake in Nikola, will build Badger hydrogen-electric pickup Update: Short-seller accuses Nikola of fraud and Nikola threatens to sue Lucid Air production electric luxury sedan is a dream revealed Lucid Air's modular powertrain opens up serious performance possibilities Lucid Motors teases electric SUV at Air debut Mid-engined, 621-horsepower MC20 inaugurates a new era for Maserati All future Maseratis will borrow styling cues from the MC20  2023 Maserati MC20 Folgore planned with three-motor electric powertrain Lexus GS dead for 2021 Respect to: Fox Body Mustang Mazda CX-9 Feedback Email – Podcast@Autoblog.com Review the show on iTunes Related Video: