The Trans-Alaska Pipeline runs alongside the Dalton Highway near the Toolik Field Station on June 9, 2017, in the North Slope Borough. (Photo by Rashah McChesney/Alaska's Energy Desk)

Update: Why does a barrel of Alaska oil cost less than a pizza…and a cheap six-pack?

Economists at the state’s Department of Revenue were working to identify what drove the price down and what they could expect going forward.

KTOO