Express oil pipeline a boon to Frontier

CHEYENNE – A controversial new pipeline from Canada is giving Frontier Oil Corp.’s Cheyenne Refinery a new lease on life.

Completion of the Express Pipeline from Alberta to Wyoming earlier this year has brought Frontier a new source of high-sulfur “sour” crude oil to refine into gasoline and other petroleum products, eliminating its need to augment supplies of sour crude with more expensive “sweet” crude.

“It’s certainly going to prolong any possibility that we would have to shut down, because let’s face it, if we can’t get crude, we’re out of business,´ said Gary Schaeffer, Frontier’s community-relations and human-resources manager. “What…