Contra Costa County Health Officer Dr. Ori Tzvieli on Tuesday revealed how fortunate the Martinez community was on Feb. 1, ...

An explosive fire that ignited at a Martinez oil refinery and triggered shelter-in-place warnings spewed cancer-causing ...

Contra Costa County says a range of harmful chemicals were released, including some that pose risks for cancer and ...

The Martinez Refining Company’s latest fire emitted chemicals and combustion byproducts that can cause cancer as well as heart and lung disease, according to Contra Consta Health ...

The 10 percent tariff the president said he might impose in March could cause U.S. refineries to cut production and lead to ...

The council supported passing an industrial safety ordinance, despite concerns about legal challenges from Valero.

The latest update provides details about the company’s inquiry into the fire which led to a brief shelter-in-place order from ...

“Flares are an essential part of a refinery’s integrated, engineered safety systems, which are designed to safely manage ...

A fire at one Northern California refinery responsible for 10% of the state’s gasoline production has resulted in higher gas prices in California, Arizona and Nevada, ...

Martinez Refining Company filed a required preliminary report with Contra Costa Health on Wednesday afternoon about last weekend's refinery fire, saying air monitoring for contaminants "resulted in no ...

One bill that would have required oil companies to help pay for damages from climate-driven disasters failed and another that ...