http://neocarbonfood.fi/

Previously known as "Food From Electricity", "NeoCarbonFood" sounds like a more commercializable version of it.

Uses electricity to <electrolyse> water into <hydrogen> and <oxygen> molecules, and then use <bacteria> that do <hydrogen chemosynthesis> to convert it into food.

Some coverage:
* https://futurism.com/a-team-of-scientists-just-made-food-from-electricity-and-it-could-be-the-solution-to-world-hunger
* https://www.newscientist.com/article/2281730-we-can-make-food-from-air-and-electricity-to-save-land-for-wildlife/
