Integrated interoperable rail systems facilitate high speed rail (HSR) train movement on conventional intercity lines, and vice versa. Hence, for such rail systems, it is preferred that HSR stations are located at existing intercity rail stations. However, all existing intercity stations may not...

Corporations make significant direct contributions to environmental improvement and also indirect contributions, through expenditure on process and product innovation. We explore alternative motivations for these expenditures that look beyond the assertion that they are a consequence of business...