Criteria in engine design. Engine cycles: 3, 4, and n-process cycles; refinement by heat exchange and supercharging. Configurational, kinematic, dynamic, fluid-dynamic, and materials aspects. Lubrication. Combustion chambers, fuels, flames. Internal and external pollution. Integration of design and practical constraints. Patents and proprietary aspects. Lectures, laboratory, and computer-aided design projects with oral and written reports. Prerequisites: EN 72 and 81.