Diesel-fueled engines have long attracted boaters with the prospect of great efficiency, range, durability, torque and safety thanks to the low volatility of this fuel. With few exceptions, however, ...

The first outboard was actually electric (left). The 12-cylinder block for Mercury’s 600-hp Verado shows how far outboard technology has come. World History Archive/Alamy stock photo Once upon a time, ...

Once upon a time, a 200 hp outboard was huge. Today, there are boats with a half-dozen 600 hp V-12s strapped onto the transom. But how did we even get here? And where are we going? Ever since Gustave ...