This study examined the economic and environmental efficiency of 27 global airlines in 2010. An extended environmental slacks-based measure data envelopment analysis model with the weak disposability assumption was developed to assess the efficiency of the airlines. Asia-based airlines are generally more efficient, followed by European and American airlines. The poor fuel consumption is a major…
The principal objective of this study is to analyze the consumption of fuel in the port industry, in order to identify some possible solutions or improvements that might reduce costs. The increment of the total operation costs, and especially fuel, has affected company profits; thus, this study focused on improving the utilization of internal vehicles, reducing transportation time, and changing…
Slow steaming has been implemented by the main liner shipping companies since 2008. The reduction in vessel speed affects fuel consumption and should be reflected within the fuel surcharges paid by shippers. The purpose of this paper is to assess if this was the case for the main outbound European container trades from the port of Antwerp.