Line 3

Enbridge describes it as essential for reliable oil supplies in both nations, saying the plan has undergone rigorous environmental permitting and will boost Minnesota's economy. Opponents contend it endangers waterways, violates indigenous treaty rights and abets dependence on fossil fuels that will further overheat the planet.

Construction of the U.S. portion of its Line 3 oil pipeline will cost $1.1 billion more than expected due to regulatory and court delays in Minnesota but the CEO of owner Enbridge Inc. says the project is on track to start delivering "lots of free cash flow" by late this year.

Alberta Premier Jason Kenney will travel to Montreal and Washington, D.C., this week.