Energy in America

Enbridge pipeline project hits another Minnesota obstacle

Enbridge Energy's plan to replace an aging crude oil pipeline that runs through northern Minnesota hit another obstacle Tuesday when two state agencies said they would hold up approval of the project's permits until problems with its environmental review are resolved.

Blackout in South America raises questions about power grid

As lights turned back on across Argentina, Uruguay and Paraguay after a massive blackout hit tens of millions people, authorities were still largely in the dark about what caused the collapse of the interconnected grid and tallied the damage from the unforeseen disaster.