During his internship as a Chemical Technology student at Danish company Haldor Topsøe, UT Ph.D. researcher Kevin Rouwenhorst realized the many opportunities offered by ammonia. At the moment, it is principally used to manufacture artificial fertilizer and therefore has a bad name. But ammonia is also one of seven chemicals that form the basis of all chemical products, and it helps to feed around 50% of the world's population.