Enbridge lost its Supreme Court bid to transfer the Michigan Line 5 pipeline dispute, meaning the federal court cannot decide whether the state governor can block the pipeline's operation beneath the Straits of Mackinac. Context The decision underscores the ongoing legal and regulatory challenges facing major energy infrastructure projects in the United States, as state and federal authorities continue to clash over pipeline operations. Key Data The ruling leaves the status of the Line 5 pipeline under federal jurisdiction, with no immediate change to its operation or regulatory oversight. Outlook The outcome highlights the importance of navigating state and federal legal frameworks for pipeline operators, and may influence future litigation strategies for companies facing similar disputes.