The latest leak in the Keystone oil pipeline in North Dakota on Tuesday continues the troubled history of the 15-year-old ...

Trucks and workers started a cleanup effort at the site of a spill of the Keystone oil pipeline in rural North Dakota ...

The Keystone pipeline—which carries hundreds of thousands of barrels of crude oil nearly 2,700 miles from the Alberta tar sands to refineries in Illinois and Oklahoma daily—was abruptly shut down ...

The statement promised "easy approvals" and an "almost immediate start." Controversial oil pipeline project gets new life ...

Energy producers are spending $15 billion a year to triple oil production from the bitumen-saturated tar sands of northern Alberta, Canada, which are the largest source of oil imports to the U.S.

The development of "oil shale" (not to be confused with "shale oil") and "tar sands" has been shown to be environmentally destructive, and water and energy intensive. Extracting oil from U.S. public ...

Tar sands oil — even the name sounds bad. And it is bad. In fact, oil from tar sands is one of the most destructive, carbon-intensive and toxic fuels on the planet. Producing it releases three times ...

"Coal tar is a little more forgiving ... designed to enhance the asphalt sealer's resistance to gasoline and oil. One product is a custom-made asphalt emulsion sealer fortified with up to 10% ...