Read more: The 15 Most Reliable Pickup Trucks Of All Time, Ranked A Hit-And-Miss engine is a four-stroke internal combustion ...

We’re introduced to the traditional two-stroke diesel engine ... opposed pistons working against compressed air springs and combining both compression and firing strokes in a single axis ...

While most engines made in the last 100 years have adhered to the standard single-piston per-cylinder design, the TS3, also known as the "Commer Knocker," is an exception. The opposed-piston ...

The choices of single-engine piston aircraft range from small, two-seat light sport airplanes for purely affordable recreational flying to high-end luxury models, with price tags to match.

But it also means that mixing the fuel and air can be tricky, which is why diesel engines have specially-shaped pistons. A diesel engine's piston head looks like someone took a scoop out of the top.