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Mazda to use rotary engine as a range-extender with its first electric vehicle

There's more news from Mazda at the Tokyo Motor Show, where the brand made a big splash, including new developments in its never-ending rotary engine saga. First, Mazda execs confirmed that the Japanese automaker will bring back the rotary engine as a range-extender and battery juicer for its first electric vehicle in 2019. But secondly, the company won't have a rotary-powered successor to its RX-7 and RX-8 sportscars in time for the company's centennial anniversary in 2020. Autoblog previously confirmed that Mazda is planning to have an EV in 2019 that will be available in both pure electric and range-extending versions. Now, the Australian website Motoring reports that the global EV will feature a powertrain similar to the experimental Japan-only Mazda2 (Demio) EV, which used a single-rotor engine as a generator to power the battery pack and increase its driving range. The publication says Mazda plans to release a series of plug-in hybrids based on existing models around 2020, then a pure electric car co-developed with Toyota and Denso in 2021 as part of the EV Common Architecture Spirit Company joint venture. A Mazda spokesman tells Autoblog the company couldn't confirm any details about future products. Meanwhile, enthusiasts shouldn't wait for a rotary-based production version of Mazda's RX-Vision concept from 2015. Motoring cites two executives who explain that the company simply lacks the capital necessary to invest in developing the new model in time for its 2020 centennial. Mazda debuted its rotary engine 50 years ago in the Cosmo Sport in part as a way to stand out from its larger Japanese competitors. The engine, which uses a spinning three-tipped rotor in place of pistons, is smaller and lighter than conventional piston engines, with a greater power-to-weight ratio and quieter, smoother operation. But it delivers less fuel economy and higher emissions — two weaknesses that could be improved via a stop-start system Mazda has developed, based on a pair of U.S. patents. The company has also been hard at work developing its next-generation Skyactiv-X engine, which uses highly precise combustion ignition technology to deliver significant gains in fuel economy and power.Related Video:

Mazda bringing electric car to the Tokyo Motor Show

In June this year, Mazda CEO Akira Marumoto told Automotive News Europe that "the first Mazda battery-electric vehicle will hit the market next year." Earlier this month, Mazda invited journalists to Oslo, Norway, to learn more about the automaker's EV plans and drive a prototype of the e-TPV powertrain, the letter designation standing for electric-Technology Prove-out Vehicle. Mazda had dressed the e-TPV production-intent powertrain under bodywork from the carmaker's new CX-30 compact crossover. Automotive News reports that Mazda will unveil its actual EV at the Tokyo Motor Show next month, which a Mazda spokesperson confirmed.     Mazda developed the powertrain in-house, engineered for buyers in dense urban environments. A 35.5-kWh lithium-ion battery powers a single electric motor wiith 141 horsepower and 195 pound-feet of torque. Range is said to be 200 kilometers (124 miles) on the city cycle, but that's likely on the Japanese or WLTP cycle that returns larger numbers than the U.S. EPA. The mechanical figures lie between the 28-kWh battery of the Hyundai Ioniq Electric and the 40-kWh battery of the standard Nissan Leaf. The EPA rates the less-powerful Ioniq for 124 miles of range, while the more powerful Leaf can go 150 miles. AN writes that Mazda's initial planned markets include Japan, China, and Europe where 124 miles is plenty for day trips. A version serving markets known for urban sprawl would employ a rotary engine range extender, a tech tidbit Mazda's spoken about regularly over the past year.   Iain Curry of Australian outlet Chasing Cars had good things to say about the e-TPV prototype he drove. Curry said the experimental car didn't offer strong regen braking and piped a mild four-cylinder soundtrack into the cabin to give drivers a connection to the ICE experience they're familiar with, but there's no word on whether the production vehicle will be set up the same way. Curry praised the handling, saying the e-TPV felt similar to a Mazda3 on the go and around corners. We'll get more concrete info next month in Japan. The show car in Tokyo will be a "brand-new model" on a new EV-specific platform, and don't be surprised by a compact crossover shape since the carmaker CEO said, "Our global crossover mix is currently about 60 percent."

'Ringbanana' Miata is improbable 9-minute Nurburgring car

The combination of being inexpensive, capable, reliable, and friendly to all skill levels makes the Mazda Miata one of the world's most popular platforms for motorsports, but the roadsters aren't exactly rocketships. What would it take to lap a ratty, first-gen example around the Nurburgring Nordschleife in less than nine minutes? We're not exactly sure, but the Ringbanana team intends to discover the answer. The project is the type of thing that gets dreamed up after a few too many pilsners: buy the cheapest running Miata available and put as little money necessary into the roadster to make it capable around the 'Ring. As the Best-Motoring-inspired intro explains, the Mazda is largely stock other than some Fulda performance tires, possibly aftermarket springs, and a stripped interior. The video above shows the baseline test, and the convertible manages a 9:21.8 circuit, which doesn't seem too bad as a start. The video below goes into far more detail about the project's genesis and its goal. Plus, the two hosts are quite entertaining when replying to the comments from the original clip. We wish them the best of luck and look forward to following along on Facebook to see what it takes to get the Ringbanana below nine minutes. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.