Michigan regulatory officials on Wednesday issued several key permits for the construction of a tunnel to replace an aging section of the Line 5 pipeline in the Straits of Mackinac, the waterways that straddle the state’s Upper and Lower peninsulas. Officials said that the necessity of the proje...
Source: [Grist](https://grist.org/energy/line-5-tunnel-in-michigan-clears-major-permitting-hurdle-in-blow-to-opposition/)