A system comprising: (a) a liquid natural gas compression module having a compressed liquid natural gas conduit; (b) an active magnetic regenerative refrigerator H2 liquefier module; (c) at least one H2 gas source fluidly coupled to the active magnetic regenerative refrigerator H2 liquefier module via an H2 gas conduit; and (d) a heat exchanger that receives the compressed liquid natural gas conduit and the H2 gas conduit.