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A journey to our driving future | Autoblog in Japan

TOKYO — We here at Autoblog recently went to Japan to drive cars, ride trains and talk to people about the past and future of mobility. In 1964, Japan hosted the Summer Olympics. To showcase to the world how far they had come since WWII, Japan launched its latest marvel in mobility, the Shinkansen (or as we call it, the Bullet Train). In 2020, Japan is hosting the Summer Olympics in Tokyo, and this time the nation is prepared to showcase a huge push toward autonomous cars. Green Editor John Beltz Snyder, Senior Producer Christopher McGraw and Associate Producer Alexander Malburg traveled there to get a sense of the country's transportation ecosystem with the 2020 Games on the horizon, and we filmed the experience along the way. In this series of videos, you'll see us try out car features that aren't yet available in the U.S., talk to an expert at Nissan about electric and autonomous mobility, ride the incredibly fast Shinkansen bullet train between Tokyo and Kyoto, pay homage to Soichiro Honda — and Ayrton Senna — at the Honda Collection Hall at Twin Ring Motegi, and see some beautiful and historic sites along the way. Here's what we'll be showcasing from our trip to Japan. Check back here as we update the list with links to all the videos: Driving a Subaru WRX equipped with EyeSight with Touring Assist Reviewing the 2018 Nissan Leaf on the roads of Japan Testing ProPilot Park on the Nissan Leaf Talking with Nicholas Thomas, Nissan's director of electric vehicles How to ride the Shinkansen in Japan (We love trains!) Touring the Honda Collection Hall at Twin Ring Motegi Check out the travelogue video at the top of this page for a taste of what's to come, then join us for a journey to Japan, Autoblog style. Related Video: Auto News Green Honda Nissan Subaru Green Driving Technology Autonomous Vehicles Electric Videos Original Video

Mitsubishi Outlander rumored to get Nissan engine, Rogue Sport to get PHEV

A report in the Japanese business daily Nikkei, picked up by Automotive News, said Mitsubishi anticipates using a Nissan engine in the next-generation Outlander headed our way later this year. If the report comes true, the engine swap would be a first for the Renault-Nissan-Mitsubishi alliance partners outside of Japanese kei cars. Mitsubishi engineers will have an easier time slotting in a Nissan engine as the next-gen Outlander gives up its GS platform — an architecture Mitsubishi co-developed with Daimler Chrysler almost 20 years ago — to move to a modified version of the CMF platform that supports the Nissan Rogue and Qashqai, our Rogue Sport.    Last December, Auto Express spoke to Ponz Pandikuthira, NissanÂ’s European vice president of product planning. The exec said Nissan had two hybrid powertrains under consideration for the next-generation Qashqai, the first being Nissan's serial hybrid ePower system that's fared well in Japan where overall speeds are low, but that might not be suited to Europe's higher average speeds. As for a PHEV, Pandikuthira said, "WeÂ’re not pursuing a big plug-in hybrid strategy. On some car lines weÂ’ll try it out, but the business case for plug-in hybrids is not very good." Completing the round-turn, Nikkei said Mitsubishi would supply its PHEV for the compact Nissan, making the Qashqai the car line that gets the tryout. If that happens, and assuming Nissan brings it here, the Rogue Sport would be Nissan's first PHEV in the U.S. Nissan has tended to delay updating the Rogue Sport to Qashqai spec, so depending on when a PHEV version arrives, it could be the only hybrid in Nissan's U.S. fleet since the Rogue Hybrid retired for the 2020 model year.  The platform and engine exchange would have been planned before Nissan's troubles over the past 18 months, but they represent the alliance's growing effort for greater synergy and lower costs. One supposed tactic going forward comes from the Volkswagen Group playbook, identifying a brand's expertise and putting the brand in charge of developing that expertise for the alliance, the same way the Volkswagen brand develops low-cost platforms and Audi runs R&D for the group. We'll know more about plans afoot at the Franco-Japanese trio when the alliance unveils its new midterm business plan perhaps as soon as this month. Related Video:      

Infiniti's new VC-T changes the rules of small turbocharged engines

The upcoming Infiniti QX50 crossover does not get our pulse racing, no matter how shapely the QX Sport Inspiration concept that previews it may be. No midsize SUV does, to be fair. But it has something special under the hood – the world's first production variable-compression-ratio engine. That means the QX50's 2.0-liter turbo four, which makes 268 horsepower and 288 pound-feet of torque, will have up to 27 percent better fuel economy. Here's how it works. The trend of moving to smaller, turbocharged engines carries with it one big falsehood. Under low load when the turbo isn't needed, these engines are less efficient than an equivalent engine without a turbo because of the low compression ratio the turbo requires. That is, if you never need the extra power, you're wasting fuel. Turbocharged (and supercharged) engines use a lower compression ratio to prevent detonation. When you force extra air in a cylinder and mix it with fuel, it's more likely to prematurely go boom. Lowering the compression ratio prevents this problem, but it's less efficient. Infiniti's VC-T promises the best of both worlds, with a compression ratio that ranges from 8.0:1 for high-power turbo needs to a 14.0:1 ratio for fuel-sipping efficiency. At its heart the VC-T engine is a simple idea, but it's complicated to explain. Consider yourself warned. The photo below from Infiniti serves as a good visual overview. For the truly nerdy, this patent application covers the mechanical concept. Instead of having the pistons connected to the crankshaft, Infiniti's engine has a pivot arm with a connection on each end. One end connects to the piston, the other connects to a second lower shaft, which is controlled by an actuator arm. At any given time the engine's pistons move up and down according to the lobes on the crankshaft. But the actuator arm can change the angle of the pivot arm up and down. That is, the pistons still move in the same motion with the same stroke, but phase the entire stroke up or down. Move the pivot up and there's less room at the top, which means a higher compression ratio. Move the pivot down and the compression ratio goes down, too. As an added bonus, the lower shaft eliminates the need for counter-rotating balance shafts. Infiniti says this system works constantly and can vary the compression ratio to any number between 8:1 and 14:1. It also uses electronic variable valve timing on the intake valves to switch into Atkinson-cycle combustion for greater efficiency.