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Wankel rotary engine

  • Mazda RX-Vision Fast and Furious livery

    The Wankel rotary, the peculiar pistonless internal combustion engine design that Mazda built so much of its heritage around, may see a resurgence after all. Earlier reports and remarks from Mazda executives have suggested that while the rotary will make a comeback, it will be relegated to what’s essentially an emergency generator—a range extender for a plug-in electric vehicle that’s expected for the U.S., among other markets. But a report from last week puts the rotary potentially on a higher stage in some versions or vehicles. DON'T MISS: Mazda announces electric lineup...

  • 2019 Mazda 3 underhood
    Mazda rotary range-extended EV and diesel engine both coming, but no US hybrids for now

    A look under the hood of Mazda’s future includes a patchwork of “what if” possibilities and a series of juggled timelines. Mazda is in a tough spot right now with regulators and in finding its place across many global markets. Part of the issue is that Mazda is considered an...

  • Mazda 2 RE Range Extender concept
    Mazda announces electric lineup, rotary range extender

    The electric-car revolution may give new life to an old gas engine. On Tuesday, timed to coincide with the Paris auto show, Mazda announced it will add plug-in capability and electric power to all of its models by 2030. Some will be plug-in hybrids or range-extended electric cars—with a...

  • Rotary engine
    Mazda all but confirms rotary range extender engine for electric car

    How Mazda plans to integrate plug-in hybrid and battery-electric vehicles into its range of increasingly efficient gasoline and diesel models is a topic that interests parts of the global auto industry. In 2019, the small Japanese maker will offer a combustion-engine technology never before...

  • Mazda Demio EV test-fleet electric car in Japan (aka Mazda2)
    Mazda's electric car gets patents for rotary range-extender engine

    Recent patent filings suggest Mazda’s next Wankel engine will equip a battery-powered car, not a rear-wheel drive heir to emblematic sports coupes like its RX-7 and RX-8. Mazda has invested more time and money into the rotary engine than any other automaker, so executives are reluctant to let...

  • Mazda RX-Vision concept, 2015 Tokyo Motor Show
    New Mazda Rotary Engine Likely To Feature Turbo, Not Electrification

    Mazda's new rotary engine will not debut as part of an electrified powertrain, the company's R&D chief says.

  • Teaser for new Mazda sports car concept debuting at the 2015 Tokyo Motor Show

    Mazda will unveil a rotary-powered sports car concept at the 2015 Tokyo Motor Show.

  • Mazda rotary engine
    Rotary Engine Lives On In Range-Extended Electric Mazda 2 Prototype

    Mazda is a relative minnow in the auto industry sea, but for such an independent company it punches above its weight in engineering terms. It's still one of few companies to offer a simple two-seater sports car in a world of more profitable crossovers and hatchbacks. It's developed an entirely new...

  • Audi A1 e-tron first drive, Berlin
    Audi A1 e-tron: First Drive Of Range-Extended Electric Car Prototype

    The Audi A1 e-tron was almost a sideshow to our day at the company's future lab tron-experience at Berlin's spectacular and disused Tempelhof Airport. Drives squeezed in over lunch or at the end of the day reflect the A1 e-tron's unfortunate status: Stillborn prototype, rather than fully-fledged...

  • Rotary engine
    Could Range-Extended Cars Save The Rotary Engine? Mazda Says Yes

    While the Wankel rotary engine, Mazda’s power plant of choice for many years, has a fantastic power to weight ratio, it isn’t exactly what you’d call a green engine. As a consequence, since the Mazda RX-8 ended its production in June this year, you won’t find a rotary engine...

  • Rotary engine
    Hydrogen, Rotary Range-Extender For Mazda Electric Cars?

    Rotary engines aren't known for their green credentials, but if Mazda's latest plans come to fruition, they may be granted another lease of life. Most frequently seen in Mazda's sports cars over the years, Wankel rotary engines are associated variously with ultra-smooth power, poor fuel economy...

  • 2013 Mazda CX-5
    Mazda Ditches V-6, Goes Four-Cylinder, Keeps Rotary Engines

    It's all change at Mazda for the next generation of its engine and product lines. The CX-7 SUV and 6-cylinder engines are out, and a wave of efficient Skyactiv engines, light-weight cars and an improved line of rotary engines is in. Robert Davis, senior vice president of U.S. Operations at Mazda...

  • Rotary engine

    You may have noticed we feature the late Mazda RX-8 rather less often than the Chevrolet Volt range-extended electric car. Considering the final iteration of the four-seat, four-door sports car delivered just 23 mpg highway from its 1.3-liter Renesis rotary engine, it really wasn’t a green car. But Mazda believes that's going to change. WardsAuto.com says the carmaker could come full circle with its rotary engine efficiency and offer an improved version as part of its SKYACTIV technology for more fuel-efficient vehicles. The inherent advantages of rotary engines over piston engines are...

  • 2010 Mazda Shinari Concept
    Next Mazda Sports Car Rumored To Be Hybrid; Fans Wail, Moan, Gnash Teeth

    Oh, the horror, the horror. Once again, the world is coming to an end. No, not tsunamis, or earthquakes, or tornadoes, or plagues. Not even locusts. Nope, it's the evil specter of hybrid technology that will conclusively decimate all of mankind, depriving it forever of driving fun, pleasure, and...

  • First factory-built Fisker Karma live photos
    Electric-Car Range Extender Engines: OK Now, Can Do Better

    Electric cars like the 2011 Chevrolet Volt and 2011 Fisker Karma get around the problem of range anxiety the old-fashioned way: They use gasoline engines. They do it because the battery systems of pure electric vehicles are large, heavy, and expensive, but the range they produce is still...

  • Audi A1 e-tron Concept
    VW Vexed By 'Anarchic' Audi A1 E-Tron Electric? Nein, Says Audi

    We've loved the concept of the Audi A1 e-Tron concept since its launch at the 2010 Geneva Motor Show last March. It's a range-extended electric vehicle (like the 2011 Chevy Volt) that uses a tiny Wankel rotary engine to run a generator that produces electricity to power the car once its lithium-ion...

  • Audi A1 e-tron Concept
    Audi A1 E-Tron Pilot Project To Start In Munich, 2011

    With BMW slowly revealing further details of their upcoming Megacity EV and teasing us with the 2009 MINI E, and Mercedes-Benz giving us the A-Class E-Cell, it was only a matter of time before rival Audi hit the roads with their own small EV. Revealed at the 2010 Geneva Motor Show in March, their...

  • AVL rotary-engine range extender for electric-drive vehicles, July 2010
    Will EV Range Extenders Give Rise to a Rotary Renaissance?

    Four months from now, the world's first extended-range electric vehicle will start showing up at dealers. The 2011 Chevrolet Volt will introduce car buyers to the idea of a range-extending combustion engine that turns a generator to power the car electrically. But the generator in an E-REV can be...

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