The Olympic Pipeline is a 400-mile (644-kilometer) fuel pipeline that transports gasoline, diesel, jet fuel and other petroleum products from refineries near the Canada–U.S. border to distribution terminals in the Pacific Northwest west of the Cascade Range, serving major population centers in Washington and Oregon.
November 21, 2025
high
contextual
General description of the pipeline's length and role in regional fuel distribution.
Portland International Airport can receive jet fuel deliveries by barge, while Seattle–Tacoma International Airport lacks barge delivery as a jet-fuel supply option.
November 21, 2025
high
contextual
Difference in fuel-delivery infrastructure between two regional airports.