Instead of using a traditional pre-burner system, the INITIUM I decomposes the oxidizer (HTP) over a catalyst bed. While still exothermic, this decomposition releases significantly less heat than internal combustion. This lower internal heat stress allows us to scale down our internal components, and overall make the rocket smaller, while still maintaining high levels of efficiency. Furthermore, the lack of internal combustion means that the INITIUM I is able to use a hydrocarbon fuel, without the issue of soot buildup. This serves to greatly increase the rocket's reusability, without taking on the additional risks and inefficiencies brought about by using cryogenic fuels in such a small system. It also permits Initium Aerospace to eventually reach carbon neutrality by synthesizing kerosene directly out of carbon dioxide present in the air.