With the internal combustion engine (ICE) being a staple of multiple forms of transportation since the late 19th century, most people are at least somewhat familiar with how an engine works: fuel and ...

There are a few different kinds of combustion engines out there. Most of them are fairly simple machines in theory, but decades of refinement and innovation have made modern engines into complex ...

As you may know, an engine's compression ratio is directly linked to its combustion efficiency. All else being equal, higher-compression engines tend to make more power while offering better fuel ...

Gearheads and faithful Jalopnik readers already know the basics of an engine's bore and stroke, but for those that might be new here, let's dip our toes in the shallow end. An engine's bore refers to ...

Ready for some math? Porsche just patented an engine design titled: "Method for a Combustion Machine With Two Times Three Strokes." Huh? As the opening paragraph of the patent (filed jointly with ...