2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/80575We derive the Euler equations as the hydrodynamic limit of a stochastic model of a hard-sphere gas on a lattice. We show that the system does not produce entropy.11 pages, textwidth 6 in, textheight 650 pt; no figuresCellular Automata and Lattice GasesNo production of entropy in the Euler fluidtext