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.

An Xcel Energy spokeswoman says low oil pressure in the plant's turbines triggered an automatic shutdown over the weekend. The company says the safety system functioned as designed and that no one was in danger.

Petroleum and the chemical used to clean up the 2010 Gulf oil leak have shown up in the eggs of pelicans that nest in western Minnesota. Swift County is home to North America's largest colony of American White Pelicans, which winter in the Gulf of Mexico. Biologists will monitor how the chicks hatched from polluted eggs develop.

Enbridge Energy just completed its Alberta Clipper pipeline a couple of years ago. But the company already wants to upgrade the line, which carries Canadian oil across northern Minnesota to Superior. A plan for the $40 million project was filed Monday with the Public Utilities Commission.