Core Viewpoint - The state of Oregon has declared a state of emergency to ensure adequate fuel supply during the closure of the Olympic Pipeline, which supplies over 90% of the state's fuel due to a leak [1] Group 1: Emergency Declaration - Oregon's Governor Tina Kotek announced the emergency status to facilitate fuel delivery via ships and trucks [1] - The Olympic Pipeline, which runs from Washington State to Oregon, has been closed for a week since the leak was first reported in early November [1] Group 2: Fuel Supply Assurance - State officials expect that the emergency measures will prevent fuel shortages in Oregon and at Portland International Airport [1]

Group 1 - The state of Oregon has declared a state of emergency to ensure sufficient fuel supply during the closure of the Olympic Pipeline due to a leak [1][3] - The Olympic Pipeline, operated by BP, supplies over 90% of the fuel to Oregon and has been closed for a week since the leak was first reported [3] - BP is actively working to identify the source of the leak as part of their response efforts [3]