Keystone XL pipeline
On Keystone and tar sands oil
Mike Klink on Keysone XL pipeline
Pipeline corrosion, more, Corrosion control
12 oil spills in one year, New York Times editorial
TransCanada too optimistic
Enbridge oil spill (Kalamazoo, MI) at wikipedia
Enbridge spill, Michigan Messenger story of the year
Enbridge spill, spotty inspections
Timeline of Enbridge oil spill
Enbridge knew of corrosion
Michigan oil spill, Pipeline divides (NYT)
EPA response to Enbridge spill
Enbridge likely to face criminal charges
Questions about oversight of oil pipelines, implications for Keystone XL
Senate passes pipeline safety bill, Ken Haar on Rachel Maddow show