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Mazda will have a new rotary concept at Tokyo show, trying to bring it to production

Despite ending production of the rotary engine in 2012, Mazda has repeatedly insisted that it's still working on rotary engine tech, and it has continued to tease a potential future rotary car with concepts, the latest of which was the RX-Vision. The company even continues to file patents on rotary tech. It seems the company is continuing this pattern, since the vice president for Mazda's European R&D center told Auto Express that it has another rotary concept ready for this October's Tokyo Motor Show. According to Auto Express, the car expands on the groundwork laid by the RX-Vision concept. In addition to revealing the existence of the concept, the executive also reiterated the fact that there's still a team in Mazda working on the rotary engine, and people are still trying to make a business case for a new rotary sports car. Auto Express expects a production car could come in 2020. The news outlet also asked if the hypothetical car would be hybridized, and the Mazda executive didn't give much of an answer beyond it being possible, though he would prefer a purely rotary-powered car. We at Autoblog think a hybrid rotary of some sort would make the most sense. It would make for an impressive halo vehicle that could be used to promote future Mazda hybrids. This would also help with the business case side of things. An electric motor, or motors, would be highly complementary to the rotary engine as well. Electric motors produce oodles of torque from down low, which rotaries don't, and the rotary engine's high-rpm horsepower would compensate for the electric motors when they've started running out of power. Not only that, but using a hybrid powertrain could help a thirsty rotary engine meet fuel economy and emissions requirements while still producing plenty of power. A hybrid system is also more possible now that Mazda is teamed up with hybrid expert Toyota. Related Video:

Mazda6 diesel to race at Rolex 24, team and drivers announced

Mazda is getting serious about showing off the Skyactiv-D turbo-diesel four-cylinder engine in the Mazda6. The automaker has just announced it will campaign three diesel Mazda6 racers in the Grand-Am GX class of the upcoming 2013 Rolex 24 at Daytona in a quest to walk away with the company's 24th class win. Mazda partnered with SpeedSource to develop the race version of the new sedan, with Japanese and American engineers lending a helping hand where needed. Meanwhile, Freedom Autosport and Visit Florida Racing/SpeedSource/Yellow Dragon Racing will helm teams of their own.
Each car will make use of a five-driver team for the 24-hour race on January 26. In the interim, you can check out the full press release below for more information as well as the full driver roster. Mazda says we can expect to see the No. 70 SpeedSource car under the lights at the 2013 Detroit Auto Show later this month, as well.

MotorWeek proves '90s were awesome with Supra, Stealth, RX-7, Corvette, 968, 300ZX comparo

Oh, the heady days of 1993, back when the Clinton Presidency was just getting underway, and it seemed like every hot new rock band was coming out of Seattle. Sports cars in the US had finally shaken off the shackles that slowed them during the '70s and '80s, and you could buy any number of legitimately quick vehicles again. MotorWeek recently went digging into its archives to find this six-model test from 1993 showing off some of the best semi-affordable performance coupes that money could buy at the time, and it's priceless.
Featuring the 1994 model year Toyota Supra in twin-turbo guise and MY 1993 versions of the Porsche 968, Nissan 300ZX TT, Mazda RX-7, Dodge Stealth R/T Turbo and Chevrolet Corvette LT-1, MotorWeek definitely covered all of the bases. One thing that might surprise younger readers is these cars' performance. The video only provides 0-60 acceleration times, but several of these vehicles would still be considered pretty potent today - over 20 years since going on sale. The Supra is especially impressive, hitting 60 miles per hour in just 5 seconds. Even today, that's nothing to sneeze at.
Given their performance potential and still-attractive looks, it's amazing that some of these coupes are old enough to drink now. The progress of interior design and safety equipment in the intervening years is pretty shocking, though. In most of these models, having two airbags is touted as a big deal. Scroll down to watch a Throwback Thursday blast from the past about some of the '90s best sports cars.