More than 1,000 drivers complained about the bad gas. The state says Sinclair knew about the issue a full day before any ...

HF Sinclair will pay a fine and implement a two-person verification system after a human error caused more than 300,000 gallons of contaminated gasoline to be distributed throughout the Front Range in ...

The fuel distributor’s leader is taking a leave of absence for undisclosed reasons. His departure comes as the company opens ...

The contamination of hundreds of thousands of gallons of fuel sold to consumers across the Denver metro in January happened because employees at a fuel distribution site mistakenly left a valve open, ...

State officials fined Sinclair more than $365,000 after employees at a fuel distribution site mistakenly left a valve open and mixed diesel with regular unleaded gas, according to a new report ...

Add Yahoo as a preferred source to see more of our stories on Google. Approximately 1,000 complaints were filed after people in Colorado purchased contaminated gas from stations across the Front Range ...

Colorado state regulators say a fuel contamination incident across the Front Range affected 49 gas stations and more than ...

Monmouth Way in the beachside Pierpont neighborhood closed after authorities discovered gasoline had leaked into the city's ...