Sunlight streaming through a forest of giant kelp (Macrocystis pyrifera). Kelp can be used to make biofuels that can be used for aviation or road transport where electrification is difficult /Agefotostock
Giant ocean seaweed farms operated by underwater drones to produce biofuels that can be used in aviation or road transport. It sounds like science fiction, but it is a scientific experiment funded by the US government. Giant farms of kelp (Macrocystis pyrifera) of several hectares in the middle of the ocean would be brought to
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