It’s the greenest energy of all!

There’s a big debate about what form of transit is the friendliest for the environment. Of course, mass transit is always going to be best, but in the case of personal vehicles, there’s an ongoing debate about whether we should all be switching to electric cars or if we should put our energy into making more efficient vehicles.

What’s left out of the conversation is the third option: animal power.

While horse-drawn carriages have been around basically since we domesticated the bastards, harnessing the power of the sea has always proven difficult — until now.

This man created a motor for his boat using only fish. You can see the full build here, but the clip below gives you an idea of what the process was like.