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The Alberta Energy Regulator says a pipeline has spilled 40,000 litres of crude oil into a creek.
An oil platform temporarily lost power on Saturday, causing about 2,200 litres of oil to spill into the ocean southeast of St. John's, N.L.
Chevron says an 800,000-gallon oil spill in Central California may have started when crews tried to recap an abandoned well.
A large spill of crude oil and produced water at a Cardinal Energy facility near Swan Hills is being cleaned up.
Police say the driver of a tanker truck was killed and a "significant" amount of fuel was spilled in a single-vehicle crash on Wednesday night.
Work is underway to recover the faulty flowline connector believed to be responsible for an oil spill off the coast of Newfoundland last fall.
A Canadian oil and gas company says it's working to reassure regulators that it can resume safe operations, two months after a massive oil spill at one of their offshore oil production sites.
Federal officials say crews removed more oil than expected from a decades-old shipwreck off Newfoundland.
Production work at Husky's SeaRose platform off Newfoundland remains suspended as inspections continue into a spill that released an estimated 250,000 litres of oil into the ocean.
Husky Energy is apologizing for Newfoundland's largest-ever oil spill last month, which saw 250,000 litres leak into the ocean.
At least 15 oiled seabirds have been spotted after Newfoundland's largest-ever offshore oil spill, but a biologist says past spills indicate the number could be in the thousands.