Suncor Energy’s oil refinery in Commerce City exceeded its permitted pollution limits for more than 900 cumulative hours during its three-month shutdown in late 2022 and early 2023, according to a ...

COMMERCE CITY, Colo. — An analysis by the U.S. Environmental Protection Agency (EPA) released Friday shows the Suncor petroleum refinery in Commerce City had a higher frequency of air-quality ...

When a malfunction at Suncor Energy’s oil refinery spewed sulfur dioxide into the air over Commerce City in the predawn hours of April 12, a machine quietly sampling air quality in the community ...

Add Yahoo as a preferred source to see more of our stories on Google. DENVER (KDVR) — Three environmental justice and conservation groups submitted a 60-day notice of intent to sue a Commerce City oil ...

Credit for the historic $10.5 million settlement agreement with Suncor Energy over excessive pollution goes to the community members and environmental justice groups who organized and took their fight ...

Suncor Energy, a Canadian oil and gas company, has nearly resumed full operations at its Commerce City refinery more than three months after a cold snap triggered a mysterious series of failures at ...

The Environmental Protection Agency is warning that Suncor has more air pollution incidents than most other refineries because of poor maintenance, testing and inspection. The report released Friday ...