The Attorney General's Office released the final results from the state’s year-long investigation into gas prices in April 2008. The investigation, which included an in-depth analysis of factors influencing prices at the pump, found variations across Washington communities are due to the cost of obtaining and transporting fuel to stations and local competition – not illegal price manipulation. Increasing worldwide demand for oil and an inability for regional refineries to meet local supply demands are the primary contributors to erratically climbing prices, experts added. Results from the investigation are included in a 67-page report available here.
Additionally, the Attorney General's Antitrust Division regularly monitors and collects gasoline pricing information to determine whether price increases indicate possible anticompetitive behavior or reflect normal market forces. The division publishes these figures in its Quarterly Gasoline Report.
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