Trying to mix gasoline and diesel in most engines will only lead to problems in the long run. But engineers have found a way ...

The Rootes TS3 was a robust, compact engine that punched way above it size.

Heat is a byproduct of combustion. Both air-cooled and water-cooled engines need to dissipate that heat to keep the engine from running too hot. Can piston rings play a role in managing that heat?

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 ...