Most modern gasoline and diesel-powered engines found in the cars and trucks seen on today's roadways rely on the four-cycle-engine principles developed in the late 1800s by Nikolaus Otto, Gottlieb ...

They were fast, loud, and smoky — then gone almost overnight.

The defining characteristic of a two-stroke engine is to fire (combust) every time the piston is at top dead center. This makes them highly power dense, but also notoriously makes two-stroke engines ...

General Motors and two-stroke engines aren’t exactly two things you expect to see in the same sentence, yet here we are. GM recently filed a patent for a modernized two-stroke design, and as ...