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by hasmanean
1268 days ago
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Yup. The "innovation" here is in the car, not the fuel. There is another engine design, a linear piston engine, which is just a piston connected to a magnet and coil. The engine generates electricity (at a constant speed, constant load) and this is fed to an electric motor. So the car is a hybrid. It's more efficient than a regular engine (which turns a large crankshaft etc.) and the fuel probably can be more finicky since the combustion cycle can be tuned for one operating point. https://en.wikipedia.org/wiki/Free-piston_engine |
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