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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

Best places to get your car maintained and repaired

In this era of rampant inflation and high interest rates, the challenges of acquiring a car or SUV have been well documented. And so it has never been more important to protect that expensive investment by maintaining it. In recent months, Autoblog has shared Consumer Reports' evaluation of the least and most expensive car brands to keep running, as well as tips to prolong a car’s useful life. Especially since the pandemic, a number of factors have impacted these costs: more complex vehicles, new materials and manufacturing methods, a shortage of qualified technicians and replacement parts. Since 2022, repairs costs have jumped each year by about 10 percent. This month, Consumer Reports is offering a useful primer on keeping your ride in great shape, suggesting what might be the best options for searching out a repair shop, depending, as CR says, “on your car and your situation.” Author Ben Preston identifies three basic types of repair facilities: dealership service departments, independently owned repair shops, and chain repair shops. Building up trust with a specific shop and feeling comfortable going there is important. Preston quotes John Ibbotson, chief mechanic at Consumer ReportsÂ’ Auto Test Center: "You might be able to save a few bucks by going to whichever shop offers the cheapest prices, but if you want consistent, reliable service, itÂ’s best to find a repair shop you trust and stick with it,” Ibbotson says. The story goes on to evaluate each type of service facility. HereÂ’s a breakdown of CRÂ’s findings: Dealerships These work well for owners of newer cars, especially for covered warranty work. But the disadvantage is the high labor rates common to dealer service. Satisfaction ratings for dealer service departments range from very good (Acura, Lexus, Mazda, and Volvo) to not-so-good (Jeep and Kia). Dealers are best for: Fixing infotainment system glitches: "If the screen in the center of your dash has a habit of freezing up, or the touchscreen-activated climate controls arenÂ’t working, the dealership is the most likely place to find someone with the know-how to fix problems that maybe only a factory-authorized technician can access," Ibbotson says. Safety system recalibration: "Anything from a crack in your windshield to a minor fender dent can upset the calibration of the sensors that make features like automatic emergency braking and adaptive cruise control work," says Ibbotson.

2016 Scion iA shows its face, for better or worse, in New York [w/video]

We have a theory that, among auto designers, there's something resembling Stockholm Syndrome. Designers spend so many hours looking at a single product that, after awhile, they can't help but fall in love with it, regardless of how bad it may look to everyone else. That might explain the appearance of the Scion iA, which while largely similar to the handsome Mazda2, replaces that car's attractive five-pointed grille with what could be described as a gaping maw. Fortunately, it's only the Scion grille that really causes any offense. The parts of the iA that have been left to Mazda designers are, as we said, rather handsome. That includes both the attractive rear and the Kodo-derived lines found in the tiny sedan's profile. The cabin, meanwhile, is well outfitted with standard equipment, including a seven-inch touchscreen display. Plastic is the dominant material, although the overall layout is logical and mostly attractive. Have a look at our live gallery of images of Scion's first-ever four-door sedan. Sports Sedan that Shouts Success All-New 2016 Scion iA Rolls Into New York With a Trunk - Brand's first-ever sedan with dramatically sporty look and agile moves - Estimated MSRP in the $16,000-range for well-equipped mono-spec model • High-spirited 1.5-liter engine; estimated 42 MPG highway - Choice of 6-speed stick shift or 6-speed automatic - Standard Low-speed Pre-collision safety system - Roomy cabin with premium amenities - 7-inch multimedia system with voice recognition NEW YORK, March 31, 2015 – Scion is expanding its line-up in more ways than one. In addition to adding a new vehicle to its stable, it's also adding its first-ever sedan, the remarkably sporty, yet very affordable, 2016 Scion iA. The Scion iA sedan joins the all-new 2016 Scion iM hatchback for a one-two punch in the subcompact and compact segments. The new sans-hatch Scion will arrive in dealerships this fall for an estimated MSRP in the $16,000-range. That's for a mono-spec model equipped with standard Low-speed Pre-collision safety system and 7-inch multi-media system with voice activation. Because Scion has a no hassle, no haggle Pure Price, customers walk out the door with the same price they saw posted in the dealership. "Dramatic" could be an understatement when describing the visual impact of the 2016 Scion iA. Beneath the daringly curved sheetmetal lies a tight, agile machine that re-defines "entry level." Call the design "class above," a term that applies throughout the car.