How Arkeon Biotechnologies is turning CO2 into food: ‘Excuse my language, but this is next-level cool’ 12-Aug-2022 By Flora Southey Vienna-based start-up Arkeon Biotechnologies is producing all 20 amino acids with just three inputs: a microorganism, carbon dioxide, and hydrogen. FoodNavigator catches up with CEO Gregor Tegl to find out how.