This ambitious Chrysler engine never made it to showrooms

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

Ferrari's hydrogen combustion engine patent is a two-stroke oddity

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

Is This Weirdo "One-Stroke" 4-Cylinder, 8-Piston Engine the Next Big Thing?

Any oddball engine is clickbait crack for mechanical nerds, and the most compelling ones purport to introduce an entirely new combustion concept. "Not a four-stroke, not a two-stroke, a revolutionary ...
GM Authority

Patent Filing Shows GM May Be Working On Two-Stroke Engine

GM has filed a patent application for a two-stroke engine valve system. The patent application is tagged with patent number US 2025/0354528 A1 and was filed with the United States Patent and Trademark ...
Jalopnik

Four Spark Plugs, Eight Pistons, One Stroke: How The INNengine E-REX Promises To Be Different

You've seen plenty of weird engines on Jalopnik, from Trojan's weird two-stroke, four-cylinder cube with wishbone-shaped connecting rods to the Napier Deltic triangle-18 diesel, but never have you ...
Jalopnik

Long- Vs Short-Stroke Engines: What Are The Differences?

Just about every piston engine is defined by two basic measurements: bore and stroke. Bore is the diameter of the cylinder. Stroke is the distance the piston travels from bottom dead center to top ...