Sinclair Oil Corp. in 1968 established a sibling refinery in Casper, which produces about 30,000 barrels of oil a day. That refinery now belongs to HF Sinclair, too.

Sinclair Oil declined to comment Thursday. The City of La Vista said the station has been at 84th Street and Park View Boulevard for 47 years, and officials believe that Dino has been there most ...

A fire in March forced the Sinclair oil refinery in the tiny town of Sinclair to operate at about half-capacity for much of April. Then on May 3, a floating roof on a storage tank at the refinery ...

In June, Sinclair Wyoming Refinery Corp. agreed to a $5.4 million settlement with state environmental regulators over a 2010 oil release into wastewater ponds that killed dozens of birds.

Sinclair Oil Expands DINO Days Customer Promotion Across the DINO Footprint. SALT LAKE CITY, May 22, 2025--Sinclair Oil (Sinclair), an HF Sinclair (NYSE: DINO) brand, today announced its second ...

“The Spinach King: The Rise and Fall of an American Dynasty” is densely layered, containing countless rewards for anyone as ...

How a small-town bank and its notes became unexpectedly tied to one of the biggest political scandals of the 1920s—Teapot ...

SALT LAKE CITY--(BUSINESS WIRE)--Sinclair Oil (Sinclair), an HF Sinclair (NYSE: DINO) brand, today announced its second annual DINO Days (June 1-3, 2025), a customer promotion in honor of National ...

HF Sinclair Corporation (NYSE: DINO) ("HF Sinclair") plans to announce results for the quarter ending June 30, 2025, on July 31, 2025, before the opening of trading on the NYSE. HF Sinclair has ...

The Sinclair Building, 6 E. Fifth St., was one of Tulsa’s first skyscrapers when it opened in 1919 and was home to its namesake oil company for more than 30 years.

HF Sinclair Corporation (NYSE: DINO) ("HF Sinclair") today announced the dual listing of its common stock on NYSE Texas, the newly launched fully electronic equities exchange headquartered in Dallas, ...