Western Ontario and Jerry Mitrovica of the University of Toronto. Full size image available through contact Deep beneath Earth’s surface, continent-sized plumes of hot rock are floating upwards, ...

We all know how a conventional internal combustion engine works, with a piston and a crankshaft. But that’s by no means the only way to make an engine, and one of the slightly more unusual ...

LiquidPiston says its new XTS-210 solves the efficiency, lubrication and fuel type issues of Wankel rotary engines. This supercharged, liquid-cooled two-stroke claims 5X the power of an equivalent ...

It's amazing that an object as simple as a piston can withstand the rigors of combustion for hundreds of thousands of miles without failing. There's a lot more to a piston than meets the eye, matey.

Ford once sketched a road where an engine's pistons never saw oil and engines ran hotter on purpose. In a late‑1980s patent application filed and granted in Europe, the company described an "uncooled ...

Dimpled pistons might sound strange, but some say they could be the future for diesel power. We've looked at the arguments for and against this wacky idea.