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Reliable facility location models consider unexpected failures with site-dependent probabilities, as well as possible customer reassignment. This paper proposes a compact mixed integer program (MIP) formulation and a continuum approximation (CA) model to study the reliable uncapacitated fixed charge location problem (RUFL) which seeks to minimize initial(More)
Railroads have been using wayside inspection technologies for many years to improve the safety and efficiency of operations. There has been a recent proliferation of new, more sophisticated, but also more costly inspection systems that are capable of detecting a wide range of subtle defects before a problem has actually occurred. This new class of "(More)
a r t i c l e i n f o JEL codes: C61 C71 C72 O13 O21 Keywords: Biofuel Supply chain Land use Spatial market equilibrium MPEC The rapid expansion of the biofuel industry diverts a large amount of agricultural crops as energy feedstocks, and in turn affects farm land allocation, feedstock market equilibrium, and agricultural economic development in local(More)
Freight trucks are known to be a major source of air pollutants as well as greenhouse gas emissions in U.S. metropolitan areas, and they have significant effects on air quality and global climate change. Emissions from freight trucks during their deliveries should be considered by the trucking service sector when they make routing decisions. This study(More)