Although they still exist, 2-stroke diesel engines aren't all that common, and 4-stroke engines are what you'll commonly see around today. In 1998, Detroit Diesel announced it was dropping the 2 ...

Internal combustion engines ... stroke; however, there are limits to that as well. [Featured image by NESR via Wikimedia Commons | Cropped and scaled | CC BY-SA 2.0] Read more: How To Clean Your ...