You wouldn’t guess that a bit of green slime could do so much. But from from food to fuel, PetroAlgae, Inc . seems to have thought of everything. This Florida-based renewable energy company has developed a technology in which algae and other microorganisms produce fuel to feed cars, animals, and even humans…and say they can do it cheaper than anyone else. With the addition of a few basic nutrients, algae gather most of their energy from the sun. The result is a protein and carbohydrate-ri