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Mazda development chief discusses future rotary platform

The switch can again be flicked from "The Rotary Engine is Doomed" to "The Rotary Engine Lives!" Mazda is re-tooling the once nearly forgotten rotary to work as a range extender for hybrid vehicles, with a chance for it to do even more than that. The latest information sounds rather promising for those still holding out a candle for the rotary. Mazda's powertrain development chief, Ichiro Hirose discussed future rotary plans with the Australian Drive at the CX-30 crossover's launch. Hirose told Australia's Drive that Mazda is currently working with a very flexible and efficient rotary hybrid platform that doesn't necessarily come with the heavy emissions and fuel consumption baggage the rotary engine has earlier been saddled with. Hirose calls the rotary-based solution "XEV," referring to its adaptability. "It has the generator function and also it can be used to provide the drive force to give you traction. [...] Because the rotary engine is compact in terms of its packaging size [and] if we should choose to do so we can have the generator, rotary engine and electric motor all in one [driveline] because of the small packaging." The result is an electrified platform that could be made to work as a mild hybrid, series hybrid or a battery electric vehicle with a rotary range extender (if given a plug), depending of the required implementation. It's as if Mazda had a slider to adjust the balance of using a rotary engine and using electric power, to make the platform more of a jack-of-all-trades. Hirose explained: "If you reduce the other way around it could be a pure battery-electric, using really the rotary engine as a range extender and, according to the balance, you can even provide something akin to the series hybrid that is providing the drive force. [...] So, we are looking at a wider coverage and scope. Based on this architecture it allows us to do that, to explore the huge range of applications we can have with the rotary." The platform would also be flexible when it comes to meeting various stringent emissions standards. To be able to sell XEV-based vehicles globally would mean introducing a certain setup for one region and one for another, keeping in mind when the rotary power would kick in and how. While Hirose keeps the question open whether these vehicles would make it for sale in the United States, he says Mazda would be able to make them pass U.S regulations. "I'm just saying that — theoretically — if we were to introduce it in the U.S.

Super-rare Mazda MX-5 Miata coupe pops up for sale

It's somehow fascinating that one of the most interesting developments of Mazda's MX-5 Miata roadster is the one that isn't a roadster at all. Unlike the NC and ND generations with retractable power hardtops, the second-generation NB Miata got a special coupe version with a fixed roof, done in the style of the first-generation coupe concept. We're talking very limited production numbers: just 179 of these NB coupes were made, and they were all Japanese-market models, so it's not often that one comes up for sale. Except now. Itself even more of a limited-edition car, this sportier Type S version residing in Hong Kong and advertised on Pistonheads is one of just 63 made. It's right-hand-drive, as both its Japanese market origins and Hong Kong regulations dictate, and out of the available engine variations it comes with the 1840cc unit and a six-speed manual gearbox. What's more, despite its low 30,000 miles, the 2004 fixed-roof Miata is said to be fully overhauled and restored to as-new condition. We can't imagine those coupe-specific parts such as glass and trim are easy to source, so with these extremely rare cars it's probably best to go with the best condition example you can find, if you can find one to begin with. Rust hits all old Miatas at some point. With that backdrop, the GBP30,000 ($38,700) asking price doesn't seem all that unreasonable. With the Miata's enormous enthusiast base, there are now aftermarket solutions that imitate the flowing lines of the rare factory coupe, but they do lack the strengthening that Mazda's specialty skunkworks shop put in these — and the body-stiffening roof adds a mere 22 pounds to the car's dainty overall weight. For some lucky Miata hobbyist, this particular red coupe might be the crown jewel of their roadster collection. Related Video:

Fourth-gen Mazda MX-5 Miata could get turbo power later in life

While there's a lot to love about the new Mazda MX-5 Miata, its debut was met by a vocal group of enthusiasts who derided the fourth-generation roadster's reduction in power output. The new model only puts out 155 horsepower, down from 167 in the NC. A report from Australia, though, claims Mazda may yet address the less potent output of the ND. Things started earlier this year, as Motoring.com.au tells it, when Mazda's global PR boss, Kudo Hidetoshi, hinted that a turbocharged or Mazdaspeed model "will definitely" be considered. Then last month at Goodwood, the ND's program manager, Nobuhiro Yamamoto, said complainers were welcome to get their thrills elsewhere. Recognizing this contradiction among Mazda's brass, Motoring asked Yamamoto-san again about his statements, which he seemed to walk back. "It's not a conflict [between statements made by Yamamoto and Hidetoshi]," Yamamoto said, indicating that his statements were made in relation to the new MX-5's launch. "Kudo-san talked about this in terms of a 10-year lifespan, but when I was asked the question right after the launching of the ND, I said 'we have no plan to have a turbo at that point in time.' That is what I meant." Seeking an opening, Motoring pushed the Japanese engineer on the chances of a more potent MX-5, perhaps without a turbocharger. "If you could achieve what we want, to which is great response, very light and powerful with great performance feel with natural aspiration, then we don't need a turbo," Yamamoto said. "But if we want more power because we don't get satisfied with natural aspiration then we may think about the turbo." Related Video: