At about 10 p.m. Tuesday, Lisa Vallee noticed flares coming from BP’s Whiting refinery. “Obviously, we’re used to seeing smokestacks with the flames on it,” the Whiting resident said, “but this was a ...

A recent flare at El Paso’s Marathon refinery released more sulfur dioxide than usual and lasted longer than visible emissions rules typically allow — but it didn’t violate air pollution limits due to ...

Getting your Trinity Audio player ready... Suncor Energy is planning a two-year construction project at its Commerce City oil refinery to tear down a 75-year-old flare stack that often sends flames ...