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Mazda engineer wants new rotary to be turbocharged

Hope springs eternal for Mazda to revive the high-revving Wankel engine for a new sports car, and the company keeps feeding that thirst with hints that it could happen. To make the possibility even more tantalizing, Mazda drivetrain and powertrain assistant manager Tetsushi Marutani tells Motoring that he wants the updated mill to pack a turbocharger. "Personally, I think that a rotary with some turbo or compressor would be good," Marutani said to Motoring. "Because a rotary, in my opinion, they require more [torque at] low speed, low down torque. So if we have some small compressor or turbo it would help." Mazda hasn't sold a rotary-powered model since the RX-8 and hasn't had a turbocharged one since the third-generation RX-7. However, the recent RX-Vision concept (above) at least hinted at a possible Wankel revival, and Mazda officials confirmed that its engineers continued to develop the engine since the RX-8's demise. The RX-Vision used a next-gen rotary called the Skyactiv-R, but Mazda didn't officially confirm any details about it. Rumors suggested the engine had a two-rotor layout with a total displacement of 1.6 liters. A two-stage electric turbo and hybrid powertrain would allegedly boost the total output of around 450 horsepower. The electric assistance could also counter the Wankel's lack of torque at low revs and poor fuel economy. Those rumored specs sound fantastic, but we still take the rotary's return with a grain of salt. Mazda CEO Masamichi Kogai is adamant that it's not worth the company's limited resources to develop a niche sports coupe instead of better selling vehicles. Related Video:

Mazda reports highest profits in its 94-year history

We may only be a third of the way through 2014, but for Japanese companies, March 31 marked the end of fiscal 2014, and it was a banner financial year for Mazda's global operations. The Japanese independent saw its highest global operating profits in its nearly 100-year history. Its global operating profits were up a huge 238 percent. Yes, a 238 percent increase over 2012 to 1.36 billion euros ($1.88 billion), eclipsing the brand's previous best year, 2008, by 12 percent. Net earnings, revenue and global sales volume also saw increases over the last fiscal year.
What's most impressive, though, is where Mazda saw improvement. The notoriously rough European market was rather kind to the Zoom-Zoom brand, where sales increased 25 percent to 163,000 units. That figure was bolstered by a 35-percent sales increase in Great Britain and a 20-percent jump in Germany, Europe's two largest markets. Japanese sales, meanwhile, were up a respectable 13 percent, to 244,000 units. In China, Mazda saw a 12 percent bump.
Notice we aren't talking about North American sales? That's because Mazda only saw a moderate, five-percent gain in the New World, with sales climbing to 391,000 units in the US, Canada and Mexico. This is particularly disappointing considering Mazda has launched three critically acclaimed products (CX-5, Mazda6 and most recently, Mazda3) for the North American market over the past two fiscal years. Still, it isn't a particular reason to be concerned, as IHS industry analyst Stephanie Brinley notes. "Five percent isn't terrible," Brinley told Autoblog, saying that Mazda should see a bump in 2014 as the Mazda3 picks up steam.

Honda, Mazda, Mitsubishi, Mercedes also under diesel emissions scrutiny

The controversy over Volkswagen's diesel emissions scandal isn't limited to the US. In Europe, where diesel engines are far more popular, the issue is shining a harsh light on the NEDC emissions test. As already known, the evaluation does a poor job of reflecting real-world production of NOx, and it appears a significant number of automakers are affected. The Guardian in the UK has been reporting on real-world test results from a company called Emissions Analytics. After the latest round of checks, vehicles from Mercedes-Benz, Honda, Mazda and Mitsubishi were found to generate far more NOx than they should. The newspaper also published similar results for Renault, Nissan, Hyundai, Fiat, Volvo, Jeep, Citroen, VW, and Audi. On average, the figures are about four times over the limit of producing the pollutant. Unlike VW and its defeat device, these automakers aren't actually breaking the rules. The vehicles perform up to the NEDC lab test for emissions, but those results simply aren't translated to the street. "The VW issue in the US was purely the trigger which threw light on a slightly different problem in the EU - widespread legal over-emissions," Nick Molden from Emissions Analytics said to The Guardian. A big fight to decide the future of this issue appears to be on the horizon. Automakers claim that they can't meet the next round of tightening emissions regulations and are asking for compromises. Although, spokespeople for Mercedes and Honda told The Guardian that the brands would be in favor of the stricter rules. Meanwhile, some European governments began backtracking their support of diesels well before this scandal came to light. The added scrutiny certain hasn't helped the future of the oil-burner. Related Video: