A recent fire at a New York oil refinery pumped clouds of black smoke into the city skyline. Despite the dangers, oil refineries are essential to society in its current form. Learn how crude oil is converted into everything from butane to gasoline.
A team of scientists based at the Royal Institute of Technology in Sweden have made a "revolutionary" discovery about how hydrocarbon is formed, learning that animal and plant fossils are not necessary to form crude oil.
The government is failing to conduct key safety inspections on new oil and gas wells on federal and Native American land.
Regulators had concerns about safety devices on oil rigs, but allowed the industry largely to police itself, two reports show.