A model for location of capacitated alternative-fuel stations

Christopher Upchurch, Michael Kuby, Seow Lim

Research output: Contribution to journalArticlepeer-review

232 Scopus citations


Increased interest in alternative fuels is attributable, in part, to rising oil prices and increasing concern about global warming. A lack of a refueling infrastructure, however, has inhibited the adoption of alternative-fuel vehicles. Little economic incentive exists to mass-produce alternative-fuel vehicles until a network of stations exists that can refuel a reasonable number of trips. The flow refueling location model (FRLM) was developed to minimize the investment necessary to create a refueling infrastructure by optimizing the location of fueling stations. The original uncapacitated FRLM assumes that the presence of a refueling station is sufficient to serve all flows passing through a node, regardless of their volume. This article introduces the capacitated flow refueling location model that limits the number of vehicles refueled at each station. It also introduces a modified objective function maximizing vehicle-miles traveled instead of trips, applies both models to an intercity network for Arizona, and formulates several other extensions.

Original languageEnglish (US)
Pages (from-to)85-106
Number of pages22
JournalGeographical Analysis
Issue number1
StatePublished - 2009

ASJC Scopus subject areas

  • Geography, Planning and Development
  • Earth-Surface Processes


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