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Mazda concept probably previews the next Mazda3 at the Tokyo show

This year's Tokyo Motor Show is shaping up to be an interesting one, with a Nismo Leaf, Mitsubishi e-Evolution concept, and a pair of interesting Toyota concepts already lined up. Now Mazda is joining with its own big reveal of two concepts. One is a design concept that will give us an idea of where the company is heading, and another is all but guaranteed to be our first look at the new Mazda3. There are a few reasons we say that one of these concepts has to be the next Mazda3. One is the fact that Mazda says it's a concept planned for production. The company also describes it as "a compact hatchback that fuses next-generation technology and design," and it uses the new Skyactiv-X spark-controlled compression ignition engine and "Skyactiv-Vehicle Architecture." Plus, just looking at the teasers, the design is a clear evolution of the current Mazda3 hatchback. It looks as though the hood and roofline curve a bit more, and some of the sharp creases of the current car have been smoothed out. The other concept Mazda is bringing to the Tokyo Motor Show seems to be just that, a concept. Mazda says it's just a design concept meant to exhibit how other Mazdas will look. Apparently it's a continuation of the company's current "Kodo" design language. Based on the teaser image, the car appears to be a sedan and consists mainly of clean, elegant curves, with hardly a crease anywhere except the edge of the trunk. The elegant lines are reminiscent of the RX-Vision concept, just with a couple extra doors and a different color. Mazda will have a couple of other new vehicles on display in Tokyo as well. The company will show the Japan-only CX-8 three-row crossover and a special-edition Roadster (Miata) Red Top edition. We presume it's a Miata with a red soft top. Stay tuned for more details from the full reveal. Related Video:

Junkyard Gem: 1988 Mazda 323 GTX

Back in early 2007, when the late Davey G. Johnson got me my first job writing for an automotive publication (well, unless you count writing for the Year One catalogs back in the mid-1990s) and I took on this goofy pen name for real, I didn't quite grasp that any readers might be interested in the stuff I saw during my frequent junkyard trips. So, when I took my crappy Nikon Coolpix 2500 to the now-defunct Pick Your Part in Hayward, California, and saw a super-rare Mazda 323 GTX among all the Tercels and Rabbits in the IMPORTS section, I just took a few shots of this interesting car for my own enjoyment. These days, I'll take more than 100 photographs of a junkyard car of such great historical significance, editing them down to the best couple of dozen, but in March of 2007 I got just three of the 323 GTX. Robert Capa had his Magnificent Eleven at D-Day, and I've got the Magnificent Three of the GTX. Here they are. Any Mazda 323 of the immediate post-GLC era is a real junkyard rarity today, but Mazda sold very few of the all-wheel-drive, turbocharged homologation-special 323s over here during the 1988 and 1989 model years. A mere 1,243 of these cars made it to North American streets. Back in 2007, they weren't worth much (in fact, they still aren't incredibly valuable, if we go by Bring a Trailer real-world sale prices), and so this one showed up in El Pulpo's yard. These cars wouldn't be considered particularly fast by 21st-century standards, now that we've had decades of street-legal Mitsubishi Lancer Evos and Subaru WRXs flinging snow and mud around, and they tended to grind their powertrain components into a costly oil-and-metal-shaving slurry. But they were maniacally cool in the late 1980s, and that's enough. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. "Even with the sun and heavy rain, I made it here faster with my car!"

Watch what happens inside a rotary engine

Since it looks like Mazda may very well revive the Wankel rotary engine as a range extender for electric cars, there's no better time to become reacquainted with the quirky internal-combustion engine. And there's hardly a better way to become reacquainted than by peering into a running rotary engine, which you can do with the video above. The video comes to us from the YouTube channel Warped Perception. The channel has already shown what happens inside a conventional internal-combustion piston engine by putting a clear cylinder head on top of a flathead engine. This new video shows off the rotary engine by adding a clear side to a tiny model-airplane engine, something that we weren't aware existed and are glad to know about now. Despite the tiny size, the engine is functionally almost exactly like the bigger versions you'll find in Mazdas from about 1967 to 2012. It has intake and exhaust ports on the edges of the rotor housing, and the triangular rotor swings about in a peanut-shaped housing. For maximum effect, jump to right around the 7:40 timestamp. This is the point at which a bit of acetylene is added to the air-fuel mix for a brighter flame. It's at this point that you can really see when the mixture combusts and how the pressure of the flame pushes the rotor to produce rotational motion. Each stage of the video does slow things down to make everything as clear as possible. Even if you already knew how rotary engines worked, it's still fascinating to watch, first because it's something you don't get to see usually, and also because of the engine's elegant simplicity. Related Video: Image Credit: YouTube / Warped Perception Weird Car News Mazda Technology Videos rotary rotary engine