LH2 is a good idea for a name. Fusion in tpt is just like fission except it makes NEUT and NBLE. It would happen at pressure far higher than the ones currently on tpt.
It could be used for a new generation of nukes, planet (well star actually) simulations, fusion power plants, supernova simulations, and a way of producing NBLE. EDIT: BOYL could have the fusion instead of H2? https://powdertoy.co.uk/Discussions/Thread/View.html?Thread=5439