Two-stroke motorcycle exhaust pipes have a distinctive shape with an expansion chamber, which is crucial for their operation.

Ferrari patented a 2-stroke opposed-piston hydrogen combustion engine — a design used in diesel trucks and submarines, not ...

Traditional Two-Stroke Engine Issues A traditional two-stroke engine has the piston pushing down after firing, moving past an exhaust port and allowing the exhaust gases to leave the chamber.

One of the most significant contributions in the history of propulsion technology came from a 19th-century engineer named Rudolf Diesel. While his idea was patented in the 1890s, it wouldn't be until ...

Towards the second half of the 20th century, the quest to create an engine with more power, long-term reliability, and higher ...

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 ...