Chapter 5. Safety, Energy, and Impacts of Passenger Travel

Passenger Travel Facts and Figures - Ch.5 Safety, Energy, and Impacts of Passenger Travel - Describes the safety, energy, and impacts of passenger travel.《客运事实与数据（Passenger Travel Facts and Figures）》——第5章：客运的安全、能耗与影响——本章节围绕客运的安全、能耗及其影响展开阐述。