The world's most powerful piston engine is awesomely huge, gulping huge amounts of fuel. And because of changes in shipping, we may never see its like again.

The engine is sent off for one more round of additional testing: Much of the process is automated, with computers performing a series of checks on various parts and processes, as well as ...

It's built to power the largest cargo ships ever built, and can reach six figures of horsepower. Meet the Wärtsilä-Sulzer RTA96-C: the most powerful reciprocating engine in the world, and ...