Feds work to strengthen pipeline safety following several spills

Federal pipeline regulators this year have granted a total of $7.8 million for studying ways to strengthen pipeline safety following recent spills. Nearly 40% of the money went to projects to improve a company's ability to find defects in its pipelines before they rupture. The pipeline industry primarily uses "smart pig" robots to inspect pipelines, but such equipment has failed to detect pipe seam cracks.

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Wall Street Journal (tiered subscription model), The

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