The Olympic Pipeline, east of Everett, has had service partially restored after being shut down for more than a week due to an oil leak.

Gas prices remain relatively calm ahead of Thanksgiving, but the Oregon average has ticked up due to this month’s outage of the Olympic Pipeline in Washington state, AAA Oregon/Idaho reported Tuesday.

A federal lawmaker is demanding answers from BP about a petrochemical leak that forced the shutdown of a Pacific Northwest fuel pipeline.