Mazda Ends Hummm as Rotary Gives Way to Hydrogen Cells
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Many people of a certain age remember Mazda Motor Corp.’s catchy ads from the 1970s. “Piston engines go boing-boing,” they said. “Mazda goes hummmm.” The voiceover sang: “There’s nothing like it on the road today; the rotary engine is here to stay.”
Wrong.