This sounds like a promising design for an engine, and we’re introduced to a rosy picture of railway locomotives, ships, factories, and power stations all driven by free piston engines.

you'll find it inside the belly of a massive cargo ship. The Wärtsilä 14RT-flex96C is the largest piston engine in the world (so far). This huge diesel power unit will blow the Bugatti's ...

The up and down motion of the piston in the cylinder is ... weighs a staggering 35 tons. The engine was transported from Cornwall to London by ship, before being loaded onto a barge for the ...