The book presents latest research-based innovations in the field of mechanical infrastructure presented in the International Conference on Recent Advances in Mechanical Infrastructure (ICRAM 2021). The broad research topics presented in this book are recent advances in thermal infrastructure: This includes aerodynamics, renewable energy, computational fluid dynamics, carbon dioxide capture and sequestration, energy and thermo-fluids, fluid dynamics, fuels and combustion, heat and mass transfer, internal combustion engine, and refrigeration and air conditioning. Recent advances in manufacturing infrastructure includes green manufacturing, instrumentation and control, material characterization, manufacturing techniques, rapid prototyping, polymers, and composites. Recent advances in infrastructure planning and design includes applied mechanics, bio-mechanics, computer-aided engineering design, finite element analysis, industrial tribology, machine design, robotics and automation, dynamics and vibration, industrial engineering, and optimization.