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Mazda's Tokyo concept foretells of rotary revival

Mazda has long been rumored to be planning a revival of its rotary-powered sports car. Some of those rumors may have come down to wishful thinking as much as concrete information. But now, on the eve of the Tokyo Motor Show, new details have come to light. The Japanese automaker is slated to unveil a two-door sports car concept, previewed in the teaser image above. Little in the way of firm information has been made available prior to the show car's debut, but sources are now citing senior company officials as confirming it has a rotary engine. "It is a two-door, two-seater, Mazda CEO Masamichi Kogai told Autocar. "It is a pure sports car design. We have MX-5 and another icon is a rotary sports car. We haven't talked about market reach but this would be in that segment." R&D chief Kiyoshi Fujiwara added: "People think rotary can not meet modern eco demands. The SkyActiv engineers worked on rotary and gave it cutting-edge tech. It is an essential part of our DNA and it [will] just be passed onto future engineers. It is synonymous with the brand. Some time in the future it will return and be called SkyActiv-R." The last time Mazda produced a rotary-powered model, of course, was with the RX-8, which ended production in 2012. That was preceded by three generations of RX-7, the first of which will be celebrating its 40th anniversary in 2018. If it manages to get the Wankel technology up to modern standards, that could provide just the right opportunity for Mazda to launch a new model. Reached for comment, Mazda spokesman Jacob Brown told Autoblog: "While we can confirm that Mazda continues to develop rotary engines, we cannot confirm production of a rotary at this point. Rotaries are one of the signature engineering technologies that define Mazda, and we will continue exploring them to see where they may fit for production applications." Related Video:

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:

Ford expands 'Do Not Drive' airbag warning to 33,000 more Ranger trucks

WASHINGTON — Ford on Monday warned an additional 33,000 owners of older pickup trucks in North America to stop driving them until potentially defective Takata Corp airbag inflators can be repaired. In January, Ford told 2,900 owners of model year 2006 Ford Ranger trucks to stop driving immediately after a second death was linked to inflators built on the same day. The expanded warning was prompted by additional testing, Ford, the second largest U.S. automaker, said in a statement, and now covers a broader time frame of production. Mazda Motor Corp said it was issuing a similar expansion for about 1,800 2006 Mazda B-Series trucks that were built by Ford after it had issued a warning for 160 trucks in January. The National Highway Traffic Safety Administration (NHTSA) said the vehicles pose "an immediate risk to safety" and urged owners to immediately schedule a free repair. Ford and Mazda have replacement airbag inflators available now and will tow vehicles to a dealership for repairs as well as provide loaner vehicles free of charge, the companies and NHTSA said. About 90 percent of the vehicles subject to the "Do Not Drive" warning are in the United States. Two U.S. senators in January questioned why Ford's warning only applied to a small number of the 391,000 2004-2006 Ranger trucks recalled because of Takata air bags in 2016 in the United States. Ford said last month the death in a July 2017 crash in West Virginia in a 2006 Ford Ranger was caused by a defective Takata inflator after a similar 2015 death in South Carolina. At least 22 deaths worldwide are linked to the Takata inflators that can rupture and send deadly metal fragments into the driver's body. The faulty inflators have led to the largest automotive recall in history. The other 20 deaths have occurred in Honda vehicles, most of which were in the United States. About a quarter of the 2,900 vehicles have been repaired since Ford issued the warning last month, the company said on Monday. Takata said in June it has recalled, or expected to recall, about 125 million vehicles worldwide by 2019, including more than 60 million in the United States. About 19 automakers worldwide are affected. Takata inflators can explode with excessive force, unleashing metal shrapnel inside cars and trucks and have injured more than 200 people. The defect led Takata to file for bankruptcy protection in June.Reporting by David ShepardsonRelated Video: