Enbridge, a Calgary, Alberta-based petroleum company, wants to build a new 500-mile pipeline to transport more crude from northwest North Dakota to Superior, Wis., Forum Communications reports. Company officials say the Sandpiper Pipeline could move about 225,000 barrels per day. If the project is approved, the earliest it could go into service would be late 2015.

A Colorado company wants to build a 450-mile pipeline that could move up to 150,000 barrels a day to a hub in Clearbrook, in northern Minnesota.

Wisconsin Public Radio reports a vehicle crash in Illinois has disrupted pipelines that carry crude oil from the Alberta tar sands to refineries in the Midwest. The Enbridge pipeline moves 318,000 barrels of oil a day. A spokeswoman could not say how the disruption might affect refineries in the region.

A pipeline carrying crude oil to Chicago area refineries has leaked about 1,200 barrels of oil, Enbridge Energy Partners said Saturday. The Associated Press reports the spill was contained to a field near Grand Marsh, Wis. and nobody was hurt. The U.S. Pipeline Safety Agency is investigating the spill.

The new plant, located near Minot, North Dakota, is expected to be operating by spring of 2013. Forum Communications reports it will be capable of producing up to 75 million cubic feet of natural gas per day.

The flow of crude oil from North Dakota's fields is backing up at a terminal in Clearbrook, Minnesota. The Canadian company that owns the terminal says the outgoing pipeline is operating at capacity and needs an upgrade. But a North Dakota competitor suspects the company is favoring tar sands oil from north of the border.