The Washington State Department of Ecology released a report showing a 13.9% decrease in statewide carbon emissions between ...

Tesoro Corp. is a Fortune 150, publicly traded oil refiner-marketer founded in 1968 whose retail focus started about 15 years ago. Assembled from various purchases, usually tied to refinery ...

ampm is the national convenience store brand for BP. It is 100% franchised. In 2012, BP sold the ARCO brand to Tesoro Corp., along with its Southern California refining and marketing business. BP ...

FILE - This April 2, 2010 file photo shows a Tesoro Corp. refinery, including a gas flare flame that is part of normal plant operations, in Anacortes, Wash. A campaign bankrolled by the oil ...