نتایج جستجو برای: freight transportation

تعداد نتایج: 60399  

Journal: :JORS 2010
J. Bauer Tolga Bektas Teodor Gabriel Crainic

Freight transport has undesirable effects on the environment. The most prominent of these is greenhouse gas emissions. Intermodal freight transport, where freight is shipped from origin to destination by a sequence of at least two transportation modes, offers the possibility of shifting freight (either partially or in full) from one mode to another in the hope of reducing the greenhouse emissio...

Journal: :European Journal of Operational Research 2014
Emrah Demir Tolga Bektas Gilbert Laporte

Road freight transportation is a major contributor to carbon dioxide equivalent emissions. Reducing these emissions in transportation route planning requires an understanding of vehicle emission models and their inclusion into the existing optimization methods. This paper provides a review of recent research on green road freight transportation.

Journal: :Transportation Science 2009
H. J. Quak René M. B. M. de Koster

The sustainability of the freight transportation system is an important topic, with many open research questions. In this project, you will review one paper that addresses some aspect of sustainable freight transportation. You will then discuss this paper with your peers, and present a synthesis of the group's papers. After a class-wide discussion, you will be asked to articulate one important ...

2003
WARREN B. POWELL HUSEYIN TOPALOGLU

Freight transportation is characterized by highly dynamic information processes: customers call in orders over time to move freight; the movement of freight over long distances is subject to random delays; equipment failures require last minute changes; and decisions are not always executed in the field according to plan. The highdimensionality of the decisions involved has made transportation ...

2015
Veaceslav Ghilas Emrah Demir Tom Van Woensel

Integrating passenger and freight flows creates attractive business opportunities because the same transportation needs can be met with fewer vehicles and emissions. This paper seeks an integrated solution for the transportation of passenger and freight simultaneously, so that fewer vehicles are required. The newly introduced problem concerns scheduling a set of vehicles to serve the requests s...

2013

Pricing schemes have been proposed to address the negative externalities of freight transportation. Literature related to the following pricing strategies are reviewed: pricing programs aimed at changing shipper’s mode choice, and schemes aimed at shifting freight deliveries to off-peak hours. Evidence from empirical and theoretical studies suggests that pricing strategies may have limited effe...

1998
Teodor Gabriel Crainic

We present the main freight transportation planning and management issues, brie y review the associated literature, describe a number of major developments, and identify trends and challenges. In order to keep the length of the paper within reasonable limits, we focus on long-haul, intercity, freight transportation. Optimization-based operations research methodologies are privileged. The paper ...

2009
Wenyih Lee Sheng-Pen Wang

Previous research on the joint economic lot size (JELS) problem was focused on the decisions of lot sizes and batches delivered among players in the supply chain, assuming that transportation cost was independent of shipment amounts. Nevertheless, the transportation cost accounts for a major part of supply chain cost, especially when transportation companies offer freight rate discount schedule...

2000
Thomas F. Golob Amelia C. Regan

Travel, like many other aspects of daily life is being transformed by the information technology revolution. Accessibility can no longer be measured only in terms of travel time, distance or generalized travel cost. Information technology gives people virtual accessibility to a rapidly growing range of activities. E-commerce has become a catalyst for structural changes in the freight transporta...

2017
Aaron Agbenyegah Agbo Wenfeng Li Charles Atombo Gabriel Lodewijks Lanbo Zheng

The current weaknesses of the conventional intermodal freight transportation system have led to the development of the synchromodal freight transportation concept introduced and piloted in the Netherlands. The innovative concept has the advantage of adding flexibility, cost reduction, and sustainability among other things, into the freight transportation system. The synchromodal system has not ...

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