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

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

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 ...

Fuel contamination at 49 Colorado gas stations in January has resulted in a fine for Sinclair.

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, ...

HF Sinclair currently supplies high-quality fuels to more than 1,700 branded stations and licenses the Sinclair brand to more than 350 additional locations throughout the country. The company owns and ...