Germany's U-505 submarine was the 1st warship captured by the US Navy in over a century and top secret during World War II.

We've presented a guide to Yamaha outboard motors, a similar primer on boats powered by electric motors, and a spotlight on General Motors' partnership with a hybrid marine engine manufacturer.

The boat’s motor is driven by a fuel cell unit that generates electricity through a chemical reaction of the loaded hydrogen and oxygen. The motor can raise its output more quickly than engines ...