Coal dust under control

Out-of-control fugitive coal dust,and the fear of it, are becoming major headaches for coal producers, shippers and handlers. Underground, coal dust remains a major cause of black lung, a disease once thought headed for extinction, but now once again on the rise in the US.

While miners have focused on growing their overseas markets by expanding existing export terminals or opening new ones, their attempts have been stymied by a chorus of environmentalists who tout the

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