Building on the <l:4,103>Unified Field Theory<e>, Fusion offers a clean, unlimited power source. <l:2,57>Fusion Plants<e> aid grossly polluting cites, and, in smaller, mobile forms, Fusion powers the swift but deadly <l:1,89>Fusion Tank<e>, as well as its sea counterpart, the <l:1,118>Plasma Destroyer<e>.