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Mazda RX-Vision Concept revives the rotary

Mazda continues fighting to keep the rotary alive, and with the RX-Vision concept at the 2015 Tokyo Motor Show, the company unveils its dream for the engine's revival in a curvaceous sports coupe. Before any fans burst with excitement at the prospect, Mazda only "hopes" to have this gorgeous shape available in showrooms someday, for now. The RX-Vision starts with the classic elements of a front-engine, rear-wheel drive sports coupe by combining a long, low hood, short rear deck, and a passenger compartment way at the back. From there, Mazda's stylists add the swooping touches of the brand's Kodo design language. The result looks thoroughly modern and still subtly evokes generations of the RX-7 in the sculpted fenders and flowing roofline. Under that shapely hood hides Mazda's next-generation rotary, which the company has dubbed the Skyactiv-R. Unfortunately, details about it are quite scarce at the moment, including the displacement or even the number of rotors the engine uses. Still, Mazda is abundantly clear that development of the mill is very much moving forward. Mazda's designers opt for a retro flair inside with the deeply dished steering wheel and gauges in three pods. The rest is simple and elegant with a minimalist, metal gearshift rising from the center console and leather straps for door pulls. Finishing things off is a clean mix of red and black upholstery with a little carbon fiber for contrast. Expect live shots from Tokyo soon to show how the RX-Vision looks under the lights. Related Video: Mazda Reveals Mazda RX-VISION Concept -- Powered by next-generation rotary engine SKYACTIV-R, represents Mazda's vision of the future -- HIROSHIMA, Japan—Mazda Motor Corporation unveiled the rotary-powered Mazda RX-VISION sports car concept at the Tokyo Motor Show*1 today. The rotary engine is a symbol of the company's "never-stop-challenging" spirit. RX-VISION represents a vision of the future that Mazda hopes to one day make into reality; a front-engine, rear-wheel drive sports car with exquisite, KODO design-based proportions only Mazda could envision, and powered by the next-generation SKYACTIV-R rotary engine. Rotary engines feature a unique construction, generating power through the rotational motion of a triangular rotor. Overcoming numerous technical difficulties, Mazda succeeded in commercializing the rotary engine, fitting it in the Cosmo Sport (known as Mazda 110S overseas) in 1967.

Mazda6 diesel engine delayed over low performance, still coming

Oh Mazda... we had many hopes for the promised diesel four-cylinder in the Mazda6, but those have remained largely unfulfilled, as the oil-burning powerplant has failed to appear on dealer lots following its 2012 LA Auto Show announcement. Despite engineering issues that forced the company to announce that the program was delayed back in September 2013, Mazda remains adamant that the 2.2-liter Skyactiv-D is still coming to our shores. "We're still very much committed to diesel," Mazda's North American CEO, Jim O'Sullivan, told Automotive News. "We are still working on getting the performance aspects up to where we want them, and we do have a plan – an engineering road map – to get it done." According to AN, Mazda's initial plan with the 2.2-liter diesel was to build an engine so clean it could get by without an aftertreatment system, which generally accounts for the price premium of diesel engines versus their gas counterparts. The new system has come with performance issues, though, necessitating the delays. "If [we were] a commodity brand and didn't care about that, it would be on the market right now," O'Sullivan told AN. "But I know the people were expecting something from us, expecting certain drive characteristics and performance, and I didn't want to disappoint them." While O'Sullivan's defense of the diesel Mazda is admirable, the exec stops short of giving us an indication of when the new engine will finally arrive.

2016 Mazda MX-5 Miata 2.0L First Drive [w/video]

The 2016 Mazda MX-5 Miata is easy to comprehend. It is an enthusiast roadster in its purest form. There's no need for any sort of sales pitch. You don't have to ramp up in order to get people excited about it. Say the words "new Miata" to anyone who cares about cars, and you've immediately got their attention. And now that I have yours, I'll to cut right to the chase. It's brilliant. That's a fact I've known for a while. I drove the Japanese-spec ND Miata in Spain earlier this year, with the 130-horsepower, 1.5-liter engine that we aren't getting in the United States. The new Miata is a modern day reincarnation of the original NA that stole our hearts in 1989. It's smaller and lighter than the outgoing NC, yet boasts more interior room. It's comfortable. It looks great. And it drives like a Miata should. In other words, it's perfect. So what about this US-spec car, then? It's got more power – 155 horsepower and 148 pound-feet of torque from Mazda's 2.0-liter Skyactiv four-cylinder engine. But it's also heavier. Our car weighs 2,332 pounds, compared to the roughly 2,200 pounds of the 1.5-liter car. Yes, the ND Miata loses 12 hp compared to the outgoing NC, but it's up 8 lb-ft of torque. Plus, according to Mazda, because of the improved powerband, anytime you're under 5,700 rpm the new Skyactiv engine is stronger than the old MZR mill. It's more efficient, too. With the manual transmission, the Miata is estimated to achieve 27 miles per gallon in the city and 34 mpg highway. That a jump of six mpg in both categories compared to the old six-speed. Consider this: The Japanese-spec car uses a 130-hp engine, which I found to be perfectly adequate. The increase in power for the US-spec car mostly just balances out the extra weight, but it also improves performance on the highway. Hit the throttle in sixth gear with the 1.5 and nothing happens. Do the same with the 2.0, and there's movement. Low-end power is far more important in the US than it is in other markets, and that's why our car has the larger engine. "North America is why the two-liter car exists," engineer Dave Coleman told me. Plus, 155 hp power means you eke out the Miata's dynamics at legal speeds. 45 miles per hour in an MX-5 is a far more exhilarating experience than that same speed in any supercar. So yeah, it's not powerful. But to paraphrase Jay-Z, the MX-5 is a super car, not a supercar.