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2023 Japan Mobility Show Editors' Picks

No, it's no longer called the Tokyo Motor Show, but the Japan Mobility Show is still in Tokyo and it still has to do with motors. In fact, with the rise of EVs, it's more of a motor show than ever before. And there were an astounding number of motors (and engines) to see, or at least concepts that hypothetically have them. Truly, we haven't seen a turnout this amazing since before the pandemic.  As such, the 2023 Japan Mobility Show featured plenty of machines that could, and did, snag points from our editors. And yet, even with the massive field, one car, unequivocally, stole our hearts. Read on to see our favorites.   Toyota Land Cruiser Se concept View 4 Photos 5. (Tie) Toyota Land Cruiser Se  While this concept is not quite the off-roader that the Land Cruiser is known to be, a street-focused electric SUV seems like a fine fit for the Toyota portfolio. It's hard to imagine we won't see an electric Land Cruiser come to production one day, filling out that as-yet underrepresented three-row EV segment. Give us an even more rugged version, and we'll be happy — Senior Editor, Green, John Beltz Snyder   Subaru Sport Mobility Concept View 7 Photos 5. (Tie) Subaru Sport Mobility I'm still waiting for a fun, electric sport coupe, and as much as I enjoy the likes of the rear-drive BRZ, I could have some serious fun in something like this all-wheel-drive Subaru Sport Mobility year round. I could fill that hole in my heart left by my '04 WRX. — Senior Editor, Green, John Beltz Snyder   Toyota EPU concept View 4 Photos 4. Toyota EPU You know what I like? Useful, funky little vehicles. The Ford Maverick and Hyundai Santa Cruz fit that bill well, and it seems a lot of other people like them, too, based on demand. You know what I also like? EVs. You know what combines those two things? The Toyota EPU. Assuming it was priced fairly reasonably (well below $40,000 is what I'm thinking), I would seriously be looking at getting one. I also seriously hope that Toyota's seriously looking at launching this, because it seems like a seriously great package. Seriously. — News Editor Joel Stocksdale   Mitsubishi D:X Concept View 8 Photos 3. Mitsubishi D:X Concept We sure do wish Mitsubishi sold the Delica here in the United States. We've long been fans of the van, which initially was sold in rear-wheel-drive form but adopted four-wheel drive in the early 1980s, and judging by the numbers we see imported to the States, we're not the only ones.

Mazda officially hints MX-30 could get a rotary range-extender

Mazda recently penned a paean to itself celebrating 100 years in business. This, naturally, meant the document also served as a love letter to the rotary engine, since, "The joy of driving, lightweight design and the rotary engine [are] three elements that define Mazda’s DNA." One of those elements has been AWOL for eight years, since the end of RX-8 production. After years of rumor feverish enough to impress Slenderman, two years ago Mazda announced it was prepping a rotary range-extender engine for a model to debut in 2020. Here we are in the anticipated year, and we still don't know anything else about that vehicle — or perhaps we do. When Mazda debuted the MX-30 battery-electric crossover in Tokyo last year, it bore an e-SkyActive powertrain with a 35.5-kWh battery sending current to an e-motor on the front axle producing 141 horsepower and 195 pound-feet of torque. With a range of around 130 miles on the European cycle, even though the crossover was meant for markets like Europe and Japan, almost everyone chimed, "This would be perfect for that range-extender engine." The automaker has hinted at that very thing for its centenary celebration. In a paragraph touching on alt-fuel RX-7 variants, the Mazda press department wrote, "Later, the company developed a prototype Mazda2 EV with a small single-rotor engine used as a range extender. A similar system could find its way onto the Mazda MX-30, a brand new battery electric crossover SUV arriving at dealerships this year." The word "could" didn't make the leap from the printed page into the video translation of the presser, a Mazda video on "The Dream Engine" ending with footage of the MX-30 rolling under the caption, "Mazda MX-30 with rotary range extender." When asked, Mazda's head of R&D in Europe explained the battery size and resultant range with wheel-to-well considerations that factored energy input and emissions output from making the battery to exchanging the battery after 100,000 miles of driving. Since the carmaker doesn't deem the pure-electric MX-30 suited to the U.S., the question bubbling beneath the latest news is whether this revised model with more range could make it here. Given a suitably sized fuel tank that could power the little people mover beyond 150 miles on U.S. roads, and a fair price, we suspect there'd be a great deal of interest. Now, Mazda, about that rotary-powered RX-7 ... Related Video:    

Mazda Skyactiv-X Review | The revolution begins with a squeeze-bang

The matte black Skyactiv-X prototype looks like a rough Mazda3, perhaps reconstructed after a bad wreck by an over-enthusiastic owner of a spot welder and lots of gaffers' tape. Ribbed ducts poke out of the dash sending two breaths of conditioned air to no one in particular. Even its revolutionary engine, the thing we're here to experience, is entombed in a massive, nondescript cover to mask its unseemly noises. It's a wild, strange way to meet a very unconventional vehicle that promises diesel-like fuel economy, a wide torque band, and an exotic method for burning less gas than ever before. It takes a few hours for Mazda's engineers to explain the fundamental principles of operation. For more detail, read our Skyactiv-X Spark Controlled Compression Ignition explainer, but here's a very brief overview. Skyactiv-X marries some traditional gasoline engine characteristics with a novel form of compression ignition called SPCCI. The key for Skyactiv-X is to use very high compression in the cylinder and an extremely lean fuel-air mixture. Squeezed right to the cusp of getting hot enough to blow up all on its own (which is very hard to predict), a squirt of extra gas and a spark interject to cross that compression-ignition threshold in a controlled and predictable manner. See the animation below: That takes a few essential components to get just right. One is a massive amount of computer processing power and some pressure sensors in the individual cylinders, because the ambient conditions change how and when these things happen. Skyactiv-X uses a clutched supercharger to pump in additional air when needed to nail the mixture precisely, and high-pressure injectors to get the low ratios of fuel to disperse properly in the chamber. And since it operates like a conventional gasoline engine sometimes, it uses valve timing to lower the very high compression ratio so it doesn't reach combustion ignition in that mode. In practice, the Skyactiv-X runs in compression ignition mode most of the time. In practical terms, that means it drives like a torquey gasoline Skyactiv engine. The torque curve is broad and flat — diesel-like in that respect. That also means it can get away with using a six-speed transmission and a lower final drive for better response. There's enough grunt and economy together that Mazda can let the engine spin faster — at 60 mph, it's running at roughly 1,000 more RPM than a similar gas engine, with greater efficiency.