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Weekly Recap: Mazda's rotary revival ignites Tokyo Motor Show

Forty-eight years ago Mazda pioneered rotary engines in the Cosmo Sport. Mazda then honed the technology, won with it on the racetrack, and made it one of its signature features. If you're an enthusiast, rotary was a reason you like Mazda. It's a great part of the company's past. But until this week, that's exactly what we thought it was. History. That all changed with the reveal of the RX-Vision concept at the Tokyo Motor Show, which reignited the passions of the Mazda faithful. Suddenly, rotary was no longer a relic. The rotary concept shown in Japan was a front-engine, rear-wheel-drive sports car wrapped in the company's latest Kodo design language. It's powered by a Skyactiv-R unit (R for rotary), though specs were not disclosed. Mass production is "currently on hold," Mazda said, maintaining it never stopped development of rotary technology, even after the demise of the RX-8. Beyond that, we know nothing, other than the optimistic statement Mazda offered that: the "RX-Vision represents a vision of the future that Mazda hopes to one day make into reality." Put simply: we agree. OTHER NEWS & NOTES: Subaru previews next-gen Impreza While the Mazda concept was the headliner from Tokyo, Subaru's Impreza design study also stood out. The five-door concept is a signpost for the look of next-generation Impreza. It blends sportiness with functionality, and it's wrapped in a striking shade of 'high-luminance silver.' The fenders are flared to signal Subaru's all-wheel-drive capability, and the front has futuristic headlights that look like something from an Audi E-Tron concept. While most of this will be toned down in production, the concept suggests an elevated style for the Impreza, which is due as a 2017 model. Porsche adds potent GTS model to 2017 Macan line Porsche is giving the Macan crossover the GTS treatment, which will start at $68,195 when it goes on sale in March. GTS translates to more power, a sportier suspension, and interior and exterior design cues that sharpen the looks and reflexes of one of the most athletic SUVs on the market. Porsche recalibrated the 3.0-liter twin-turbo V6 from the Macan S to make 360 hp and 369 lb-ft, (up from 340 hp and 339 lb-ft in the S). It teams with a seven-speed PDK gearbox and all-wheel drive. An air suspension is standard. The body features a slew of black accents, and the standard 20-inch RS Spyder wheels are done up in a shade of satin black. The cabin gets leather, Alcantara, and GTS logos.

Hyundai, Kia looking to cut costs

Hyundai and Kia are off to roaring starts in the United States this year, underscored by Kia's best sales month ever in May. But globally the situation for the South Korean siblings hasn't been nearly so positive. Recently, they reported their fourth consecutive quarter of decreasing operating profits worldwide, and now they're "making efforts to cut costs," according to a statement in a joint email obtained by Bloomberg. However, the companies aren't detailing where they would make the cuts or how much they want to save. The amount could be significant, though. An unnamed Hyundai senior executive reportedly told a South Korean newspaper that the business might be aiming for up to 30 percent in reductions. According to Bloomberg, Hyundai and Kia are facing falling total sales worldwide. Making the situation worse is that the strong Korean won versus the weaker Japanese yen gives competitors an advantage. The automakers also angered investors enough last year to prompt a stock buyback after paying $10 billion for the land for a future headquarters. The prognosis doesn't look utterly dire, though, and new products are on the way. For example, the Hyundai Santa Fe is being refreshed in South Korea, and the next-gen Elantra debuts at this year's Los Angeles Auto Show. There's also the Creta on the way for foreign markets. Additionally, several models are still awaiting the green light, including a Hyundai Genesis-based luxury crossover, a compact CUV, and the Santa Cruz unibody pickup. Meanwhile, the Kia GT is reportedly close to production, too. Related Video:

Kia Trail'ster Concept brings traction for the Soul in Chicago

Kia teased its hybrid all-wheel drive Trail'ster concept prior to the 2015 Chicago Auto Show debut, but the company kept some of this off-road Soul's biggest features a secret. Designed both to go off the beaten path and drive efficiently in the city, the company's designers in California added 2.5-inches of extra ground clearance and aluminum skid plates to give the hatchback a more rugged appearance. Drivers can also let the weather into the cabin thanks to a retractable canvas roof. However, the Trail'ster's most intriguing feature is its drivetrain. With a platform still based on the production Soul, up front there's a 1.6-liter turbocharged four-cylinder with stop/start churning out 185 horsepower and 185 pound-feet of torque through a six-speed automatic gearbox. The gas engine exclusively runs the front axle; at the rear there's an electric motor with 35 hp and 100 lb-ft with a 1.2-kWh lithium-ion polymer battery under the cargo floor providing assistance. The whole system produces a total output of 220 hp and 285 lb-ft of twist, and the Kia claims, the concept could even run two or three miles purely on electric power. There's no physical connection between the internal combustion engine at the front and electric in the rear. Under low-throttle situations, the electric motor runs exclusively, but under most driving conditions, the all-wheel drive system provides extra traction and a bit more acceleration. Kia claims that if it put this layout into production it would offer 25-30 percent better city fuel economy and a 5-10 percent improvement on the highway compared to the current 2.0-liter powertrain in the Soul. That works about to about 30 miles per gallon city and 34 mpg highway, based on the maximum figures. The automaker isn't saying anything official yet, but it's at least hinting that a system like this could end up in the Soul one day. "The Trail'ster concept is a near-future look at how the production Kia Soul would logically evolve into an AWD-capable version that's built to escape the city streets and roam into the mountain wilderness," Tom Kearns, chief designer at the Kia Design Center of America, said in the model's announcement.