Mazda just unveiled its so-called Skyactiv-X homogenous charge compression ignition engine prototype, which promises to burn gasoline with diesel-like efficiency. But it’s clear that, even as Mazda is trying to squeeze as much energy as possible out of every last hydrocarbon drop, it’s looking ahead to a world where electricity is an increasingly important source of automotive propulsion. Does this mean an electric Mazda Miata?
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