The following submission statement was provided by /u/perpetual_C000009A:

This article details a vessel that has a submerged "wing", allowing it to "fly" over the water. This means less drag, less fuel consumption, and less wake generated by the passage of the vessel. Which in turn means less erosion of the shoreline and allowing the vessel to move faster in coastal waters and harbours.
Also detailed in the article is an artificial photosynthesis technology being developed in Cambridge, UK to produce synthesis gas, which can be used in place of gasoline.

Please reply to OP's comment here: https://old.reddit.com/r/Futurology/comments/105qinq/flying_boats_and_artificial_photosynthesis_for/j3c61iy/