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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:

2016 Mazda CX-9 First Drive

Automotive enthusiasts tend to obsess over spec sheets. How else could we know which cars and trucks are the quickest in a straight line, hold the road with the greatest tenacity, or tow the biggest trailers? More succinctly, what ammunition would we have in the seemingly endless back-and-forth of Internet forums if it weren't for specifications? Mazda's engineers think they've found a better way. The 2016 CX-9 has less horsepower than its primary competitors. The only engine available is a turbocharged four-cylinder, hooked to a six-speed automatic. Drivers won't miss the 23 horsepower (or more, as we'll soon explain) lost in the changeover from 2015 to 2016, because Mazda applied its holistic Skyactiv approach to the largest vehicle it offers. That means less weight and, ultimately, more fun. Or so they say. Are they right? Yes. And no. Most of the time, in normal on-road driving conditions, the 2016 CX-9 is the most fun you can have with three rows. But the real-world tradeoff didn't go off completely without a hitch. Reasoning that real-world performance is more important than ultimate horsepower, Mazda specified a four-cylinder for its big, three-row SUV instead of a more traditional V6. Let's get those all-important specifications out of the way: All 2016 Mazda CX-9s are fitted with a 2.5-liter turbocharged four-cylinder with 250 horsepower and, impressively, 310 pound-feet of torque at just 2,000 rpm. Unless you decide to use 87 octane, in which case you'll be limited to 227 horsepower. Mazda doesn't think owners will actually notice the difference in power levels, so there's no Premium Fuel Recommended sticker on the back of the fuel door. Mazda utilized some clever turbo trickery to deliver a diesel-like torque curve from its gasoline-fueled engine, which makes the small-displacement powerplant feel lively at low engine speeds. The flipside is that the CX-9 runs out of breath as the needle swings across the upper reaches of the tach. While that simply wouldn't do for a sportscar like the MX-5, in the CX-9 it's not necessarily a deal breaker. One benefit to the downsized engine is that it doesn't guzzle fuel. The EPA rates the CX-9 at 22 miles per gallon in the city and 28 on the highway. Drop one mpg all around for the all-wheel-drive model. Those figures beat out all the CX-9's most natural competitors, including the Honda Pilot and Toyota Highlander. The turbo-four Ford Explorer matches the 28-mpg highway figure, but loses by three in the city.

Mazda says 83 percent of new cars bear Skyactiv moniker

Mazda's US sales are down a little bit but the company's fuel economy is almost assuredly up. That's because its fuel-saving Skyactiv drivetrain technology is essentially taking over US vehicles sales. To the tune of about five out of every six vehicles sold, at least. While the Japanese automaker's US sales in February fell 2.4 percent from a year earlier, Skyactiv accounted for 83 percent of its sales last month. Most notably, Mazda6 sales jumped 46 percent from a year earlier, while Mazda CX-5 sales were up 72 percent. The company also celebrated the opening of its factory in Salamanca, Mexico, where it will make models such as the Mazda2 and Mazda3. The company is not resting on its fuel-economy laurels either, apparently. In January, it was reported the company is hard at work on its next-generation Skyactiv technology, which will boost fuel efficiency by as much as 30 percent by using diesel-like high compression. As it is, Mazda had the highest fleetwide fuel economy of any major automaker in the US for the 2013 model year with a 27.5 mile per gallon average, according to the Environmental Protection Agency (EPA). Honda came in second with 27 mpg. Check out Mazda's press release below. MAZDA SKYACTIV® TECHNOLOGY SETS RECORDS IN FEBRUARY - Mazda Celebrates Grand Opening of All-New Production Facility in Salamanca, Mexico - IRVINE, Calif., March 3, 2014 /PRNewswire/ -- Mazda North American Operations (MNAO) today reported February U.S. sales of 24,431 vehicles, representing a decrease of 2.4 percent versus last year. Year-to-date sales through February are down 6.7 percent versus last year, with 43,155 vehicles sold. Key February sales notes: Mazda's SKYACTIV® TECHNOLOGY accounted for 83.2 percent of all vehicle sales during the month of February. This is the largest percentage of Mazdas equipped with SKYACTIV TECHNOLOGY sold in one month, and second-best month of total volume ever with 20,245 vehicles sold. Mazda6 experienced its second-best February since 2008 with 3,945 vehicles sold, representing an increase of 46.0 percent, year-over-year (YOY). February 2014 was CX-5's best month ever with 9,353 vehicles sold, good for an increase of 71.6 percent, YOY. February was one of the most historic months for Mazda as it celebrated the grand opening of its all-new engine and vehicle assembly plant in Salamanca, Mexico.