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Porsche's Six-Stroke Engine Could Kill Four-Stroke Designs

The German automaker sees your four-stroke engine and raises you... two more strokes. Ready for some math? Porsche just ...
SlashGear

What's The Most Efficient 4-Stroke Diesel Engine Ever Built & What Does It Power?

Finnish manufacturer Wärtsilä introduced an engine back in 2015 that was so good, it snagged a Guinness World Records title for being the most efficient four-stroke diesel engine shortly after its ...