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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

Mazda builds 1 millionth MX-5

Mazda produced its 1 millionth MX-5 Miata on April 22. Known alternately as the Miata, the Mazda Roadster, or the Eunos Roadster, the MX-5 has long held the record as the best-selling open-top two-seat sports car. It topped half a million at the turn of the millennium, and hit 800,000 less than a decade ago. The MX-5 recently entered its fourth generation over 27 years, which only promises to drive that record number higher. While it's not one of the most prolific automobiles in history – Ford has made over 34 million F-Series pickups and Toyota produced over 40 million Corollas – the Miata stands as a rather notable exception among niche performance vehicles. Related Video: Mazda Produces One-Millionth Mazda MX-5 HIROSHIMA, Japan—Mazda Motor Corporation announced today that production of the Mazda MX-5 (Mazda Roadster in Japan) reached one million units on April 22, 2016. The milestone figure was achieved over 27 years, with mass-production of the MX-5 starting at Ujina Plant No. 1 in Hiroshima in April 1989. "From the first generation through to today's fourth-generation model, the reason we have been able to continue selling the MX-5 all these years is due to the strong support of fans around the world," said Masamichi Kogai, Representative Director, President and CEO. "Mazda was founded in Hiroshima 96 years ago, and as we move toward our centennial year we will continue offering customers the joy of driving with this model, which has become a symbol of our brand. Mazda aims to create a special bond with customers and become a 'one-and-only' brand they will choose again and again." As a way of expressing thanks to MX-5 fans and owners, the One-Millionth MX-5 will be displayed at fan events in Japan and around the world. The tour begins on May 3 at the Hiroshima Flower Festival where the car will participate in the Flower Parade. The MX-5 is a symbol of Mazda's car-making philosophy and tireless pursuit of driving pleasure. Since its debut in 1989, the model has consistently offered driving fun that can only be experienced in a lightweight sports car and won the admiration of people from various countries, cultures and age groups. The MX-5 is also critically acclaimed, with over 200 awards from around the globe to its name. The fourth-generation model released last year has won a string of awards, including 2015-2016 Car of the Year Japan, World Car of the Year and World Car Design of the Year 2016.

VW Finds CO2 'Irregularites', SEMA Recap, and More | Autoblog Minute

Volkswagen's diesel emissions scandal gets a new wrinkle, US regulators hit Takata Corporation with a substantial fine, and we head to Vegas for a look at tuner paradise at the 2015 SEMA show. Autoblog Senior Editor Greg Migliore reports on this edition of Autoblog Minute Weekly Recap. Acura Chevrolet Honda Mazda Mitsubishi Toyota Autoblog Minute Videos Original Video Acura Legend