This is the famous engine that over thousand babys where converted to fuel for. One baby could power it up for a couple of months. Lab Calloway, the scientist who came up with this dubious invention would have been the most hated man in America if not for that Andrew McFing's book THE TOES OF FREEDOM came out about the same time. Everybody had a opinion on that book, almost nobody read it. The HHo Engine could be transformed into a powerfull weapon, as seen in the Gas wars.