The South American country has a relatively low output, but its vast reserves of high-density crude oil are sought after by ...

Over the course of millions of years, heat and pressure can transform the organic remains of animals and plants into crude oil. That's why they're called a fossil fuels — the long-dead creatures that ...

Labour plans to introduce a “total ban” on fracking this autumn, replacing the current moratorium with permanent legislation. Experts say the U.K.’s complex geology makes large-scale fracking unviable ...