Propulsion and Energy is an open access, peer-reviewed journal covering all aspects of propulsion and energy engineering, aiming to establish a high-level academic platform to report technological breakthroughs and the latest research developments among engineers and scholars. Original articles, reviews, and commentaries including innovative ideas, new results, or progress on the theoretical techniques and applications will be given priority for publication. The journal covers all disciplines related to propulsion and energy technologies for land, sea, air and space, including but not limited to: System Section Aerospace Propulsion Systems: Turbojet, Turbofan, Turboshaft, Scramjet, Precooled Engine and Combined-Cycle Systems. Space Propulsion Systems: Liquid, Solid, and Hybrid Rocket Propulsion, Nuclear Thermal Rocket, Electric Propulsion. New Energy Propulsion Systems: Electric, Hybrid, Fuel Cell, Solar-Powered Propulsion. Multidisciplinary Propulsion Systems: Supersonic, Hypersonic, Deep-Space, and Adaptive Propulsion. Energy Conversion and Power Systems: Thermodynamic Cycles, Renewable Energy Systems, Hydrogen Energy, Energy Efficiency, Energy Conversion, Energy Management. Maritime Propulsion Systems: Advanced nuclear power, Water ramjet, Air-independent propulsion, Integrated all electric propulsion Component Section Core Propulsion Components: Combustion Chambers, Turbines, Compressors, Nozzles, Inlet. Fuel and Combustion: Advanced Fuels, Combustion Instability, Low-Emission Combustion, Low Carbon. Heat Transfer and Fluid Mechanics: Multiphase Flow, Heat Transfer in Cooling, Supercritical Flow and Heat Transfer, Heat Transfer Enhancement, Thermal Management, Aerodynamics. Control and Diagnostics: Engine Control, Sensors, Fault Diagnosis, Intelligent Systems. Electric and Plasma Propulsion Components: Battery, Fuel Cell, Generator, Ion Thrusters, Plasma Generators, Electromagnetic Devices.