This story was produced in partnership with the Pulitzer Center. It is part one of a four-part series. Jose Gonzalez* wore no mask, despite the toxic chemicals he worked with in the oil field.

The WTI price extends its upside on a larger-than-expected crude draw and concerns about tighter global supply due to threatened US tariffs on countries buying Venezuelan production. Crude Oil ...

And an early attempt by a Republican lawmaker hit ... It is common in West Texas for oil and gas producers to operate on privately owned ranches. Wight said the Railroad Commission should make ...