The Dilbit Factor in Exxon's Pipeline Spill
Experts say the heavier, high-sulfur oil from Canada could have created bigger pressure swings and promoted crack growth in the old, flawed pipe.
By Elizabeth Douglass
diluted bitumen
Arkansas Oil Spill Shatters American Dream of Some
By Maria Gallucci
Exxon Damage Assessment: If Not the Feds, Then Who?
By Maria Gallucci
Exxon Spill Probe Falls to Understaffed Agency
By Katherine Bagley
Dilbit or Not? Wabasca's the Question
By Maria Gallucci
In Bid for KXL, Alberta Premier Pleads Poverty
By John H. Cushman Jr.
Under Pressure: Exxon Pipeline Rips a 22-Foot Gash
By Lisa Song
Has Heavy Oil Pipeline Corrosion Met Its Match?
By Maria Gallucci
Agencies Asked to Delay KXL Over Pipeline Safety
By Lisa Song
