Environmental groups, tribes had challenged Michigan Public Service Commission approval for Enbridge to build a tunnel under the Straits of Mackinac.

Michigan environmental groups are pushing back as Enbridge’s Line 5 tunnel faces emergency review, potentially bypassing full scrutiny and public input. This move comes after President Donald Trump’s

A Michigan appeals court has ruled that Enbridge Energy's plans to build a tunnel around an aging pipeline that runs beneath a Great Lakes channel can continue.

A Michigan appeals court has ruled that Enbridge Energy's plans to build a tunnel around an aging pipeline that runs beneath a Great Lakes channel can continue.

Enbridge wants to build a protective tunnel around a 4-mile section of its Line 5 pipeline that runs along the bottom of the Straits of Mackinac.

Michigan environmental groups are pushing back as Enbridge's Line 5 tunnel faces "emergency" review, potentially bypassing full scrutiny and public input

Enbridge Energy’s plans to build a protective tunnel around an aging pipeline that runs beneath a channel connecting two Great Lakes can continue, a Michigan appeals court ruled. The state Public Service Commission properly issued permits for the $500 million project,

Enbridge Energy’s plans to build a protective tunnel around an aging pipeline that runs beneath a channel connecting two Great Lakes can continue, a Michigan appeals court ruled.

Controversial rebuild of a pair of 20-in.-dia pipes resting on the lake bottom with a single 30-in.-dia pipe inside a concrete-lined tunnel still needs federal permit approval and has opponents.

Enbridge's (NYSE:ENB) plan to build a protective tunnel around part of its Line 5 pipeline in the Straits of Mackinac connecting Lake Michigan and Lake Huron is allowed to continue, after the project's permits were upheld Wednesday by the Michigan Court of Appeals.

Environmental groups, tribes had challenged Michigan Public Service Commission approval for Enbridge to build a tunnel under the Straits of Mackinac.

Michigan environmental groups are pushing back as Enbridge's Line 5 tunnel faces "emergency" review, potentially bypassing full scrutiny and public input