This book is designed to summarize and synthesize Professor Chen Weirong's many years of research and related technical progress in the field. It describes the key technologies and application status of fuel cell, solar energy and energy storage in railway transportation. New energy locomotive is a new type of power supply system rail locomotive with new energy as the power source, and it is one of the main ways of energy saving and emission reduction in rail transit. At present, new energy locomotives have been moving towards research and development diversification, product concentration...