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­The article How Diesel Engines Work describes the four-stroke diesel engines commonly found in cars and trucks. The article How Two-stroke Engines Work describes the small two-stroke engines found in things like chain saws, mopeds and jet skis. It turns out that diesel engine technology is often combined with a two-stroke cycle in the huge diesel engines found in locomotives, large ships and generating facilities.

In this edition of HowStuffWorks, we will explore diesel two-stroke technology and learn about the huge engines that use it!

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