CALGARY, Alberta, July 8 (Reuters) - Pilot projects in an as-yet undeveloped oilfield could remake Canada's energy map, if producers can successfully wrest a sludgy, tarry substance called bitumen ...

The Keystone Pipeline spilled hundreds of thousands of gallons of tar sands oil into a creek in northern Kansas earlier this month. TC Energy, which operates the pipeline, says it has recovered a ...

UC Santa Barbara geochemist David Valentine is among the authors of a new report about accidental spills of diluted bitumen from pipelines. The report was prepared for the National Academies of ...

A dark streak of spilled oil in Washington County, Kansas, near the Nebraska border where the Keystone pipeline ruptured last week. The spill in Kansas is now the second-largest spill of tar sands ...

SINGAPORE, May 29 (Reuters) - China's independent oil refiners are ramping up fuel oil imports to process into gasoline and diesel amid robust refining margins as ongoing cargo inspections at refining ...