“Effectively, seaweed harvested off a beach in the Outer Isles could be heating a crofter’s kettle for their cup of tea the next morning.”
CleanTechnica has more on the Biomara project to produce algae and seaweed in remote areas for conversion to biofuel
Given the huge amounts of offshore wind and tidal power Scotland has, they could easily end up producing enormous amount of clean energy as well as creating many new jobs.