Some of the suggestions include using molten lead as the coolant for the system, but the reactor would run at a temperature above 700 degrees C. when the material becomes corrosive.

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The groups contend this thicker "oil sands" material is more corrosive to pipelines and therefore more dangerous to transport across the United States.

CNN: Maybe this oil spill will stick

Business groups say the material is not more corrosive, citing a report commissioned by the Canadian Energy Pipelines Association.

CNN: Maybe this oil spill will stick