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Mazda6 Skyactiv-D Racecar ready to bring diesel to Grand-Am

It may not be quite as radical as some of the company's past rotary racers, but the new Mazda6 Skyactiv-D racecar does have a notable powertrain underhood: the automaker's brand-new clean diesel four-cylinder engine.
Three of these new diesel-powered Mazda6 racers will take to the track in the Grand-Am GX class of the upcoming 2013 Rolex 24 at Daytona on January 26, with five drivers on each team. The car you see above, number 70, is sponsored by Mazda's longtime motorsports partner, SpeedSource.
Check out our full gallery of high-res images live from the 2013 Detroit Auto Show above and feel free to read through the related press release from Mazda below.

Mazda officially hints MX-30 could get a rotary range-extender

Mazda recently penned a paean to itself celebrating 100 years in business. This, naturally, meant the document also served as a love letter to the rotary engine, since, "The joy of driving, lightweight design and the rotary engine [are] three elements that define Mazda’s DNA." One of those elements has been AWOL for eight years, since the end of RX-8 production. After years of rumor feverish enough to impress Slenderman, two years ago Mazda announced it was prepping a rotary range-extender engine for a model to debut in 2020. Here we are in the anticipated year, and we still don't know anything else about that vehicle — or perhaps we do. When Mazda debuted the MX-30 battery-electric crossover in Tokyo last year, it bore an e-SkyActive powertrain with a 35.5-kWh battery sending current to an e-motor on the front axle producing 141 horsepower and 195 pound-feet of torque. With a range of around 130 miles on the European cycle, even though the crossover was meant for markets like Europe and Japan, almost everyone chimed, "This would be perfect for that range-extender engine." The automaker has hinted at that very thing for its centenary celebration. In a paragraph touching on alt-fuel RX-7 variants, the Mazda press department wrote, "Later, the company developed a prototype Mazda2 EV with a small single-rotor engine used as a range extender. A similar system could find its way onto the Mazda MX-30, a brand new battery electric crossover SUV arriving at dealerships this year." The word "could" didn't make the leap from the printed page into the video translation of the presser, a Mazda video on "The Dream Engine" ending with footage of the MX-30 rolling under the caption, "Mazda MX-30 with rotary range extender." When asked, Mazda's head of R&D in Europe explained the battery size and resultant range with wheel-to-well considerations that factored energy input and emissions output from making the battery to exchanging the battery after 100,000 miles of driving. Since the carmaker doesn't deem the pure-electric MX-30 suited to the U.S., the question bubbling beneath the latest news is whether this revised model with more range could make it here. Given a suitably sized fuel tank that could power the little people mover beyond 150 miles on U.S. roads, and a fair price, we suspect there'd be a great deal of interest. Now, Mazda, about that rotary-powered RX-7 ... Related Video:    

Mazda CX-3 to be diesel-only in Japanese home market

Diesel power. It's not just for Europeans anymore. In fact, when Mazda introduces its new CX-3 compact crossover to its home market of Japan, the model will be exclusively diesel-powered, Reuters says, citing remarks made by Mazda CEO Masamichi Kogai. Consistent with its recent push for better fuel economy, Mazda is embracing diesel power as a way to boost fuel-economy for cars that may be larger than the compact variety. Mazda, which plans to make about 150,000 gas- and diesel-powered CX-3s for global consumption per year, is pricing the diesel CX-3 at about $20,000 in Japan. Diesel sales accounted for less than three percent of new-vehicle sales in Japan last year, so there's a risk to Mazda's strategy. But the automaker, which is the fifth-largest in Japan, says performance and noise (and smoke) issues largely associated with diesel powertrains in the past have largely been eliminated. In all, Mazda expects worldwide sales for the year ending March 31 to rise almost five percent from a year earlier to about 1.4 million units. Mazda showed off an early version of the CX-3 at the Los Angeles Auto Show last November, though North American versions of the model will indeed be gas-powered. Related Video: Featured Gallery 2016 Mazda CX-3: LA 2014 View 17 Photos News Source: Reuters Green Mazda Diesel Vehicles mazda cx-3