Are you unsure about the correct ratio of oil to gas for your outdoor equipment? It can be confusing, especially if you're not familiar with the process. Using the wrong ratio can damage your tools ...

The expected closures of an oil refinery in the Bay Area and another in Southern California has Gov. Gavin Newsom, a global leader on climate action, acting uncharacteristically friendly with the ...

Refiners make money on the difference between the price of their products and their cost of crude, less their operating expenses. A key focus in the energy sector lately has been the long-term ...

The state has led the country in adopting electric cars and reducing gas use, but it now faces much higher gas prices as oil companies plan to shut down refineries.