Posted: May 22, 2025 | Last updated: May 31, 2025 Can Opposed Piston Diesel Engines Save The Combustion Engine?

An opposed-piston engine replaces the cylinder head with another set of pistons, each sharing a common cylinder, like a boxer engine but with no heads.

INNengine's half-liter opposed-piston engine makes 120 horsepower in an ultra-compact, super-efficient package.

Ferrari continues to explore hydrogen-powered drivetrain solutions, patent documents discovered by AutoGuide.com indicate Ferrari is looking at a two-stroke 3- or 6-cylinder opposed piston engine ...

Argonne’s research facilities include a single-cylinder opposed-piston engine platform with a newly designed and optimized combustion chamber for medium- and heavy-duty engine research.

While the vast majority of engines have used the same piston and cylinder design for decades, there have been exceptions like the Commer Knocker.