Public comments are due by the end of the week after the U.S. Army Corps of Engineers proposed a tunnel alternative last ...

Enbridge opponents argue that tunnel is riskier than originally described and saddles Michigan with long-term obligations.

A four-mile borehole under the Straits of Mackinac is back on the table as a feasible option to replacing the controversial pipeline.

NORRISTOWN – The Pennsylvania Department of Environmental Protection completed a review to approve Mariner East pipeline modification requests in Chester and Delaware counties. Drilling sites near ...