Exxon: Can't settle on cause of rupture

Consultant says that’s hard to believe

Posted: July 15, 2014 at 3:43 a.m.

Exxon Mobil has told federal regulators that it could not determine what sped the growth of decades-old cracks in its Pegasus pipeline, causing the line to rupture and spill crude oil into a Mayflower neighborhood last year.

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