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Porsche's Six-Stroke Engine Could Kill Four-Stroke Designs
Combustion machines in which the cycle is repeated after two revolutions are referred to as four-stroke engines.") A ...
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First-of-its-kind engine on the way — Porsche breaks the world from the hydrogen dream
Traditionally, engines follow a four-stroke cycle, consisting of intake, compression, power, and exhaust. In contrast, the six-stroke engine introduces two additional strokes: compression and power.