On the Western Slope of Colorado’s Rocky Mountains ... 4 For centuries, people have heated shales to coax the oil out of the stone. Apothecaries and physicians in Austria used oil from shale for ...

The object of their attention is oil shale, a rock so rich in an oil-like substance that ... the region that straddles the T-shaped border of Colorado, Utah, and Wyoming. And although daunting ...

In addition to opposing domestic oil shale and tar sands development in the Colorado River basin ... incredible amount of energy is required to squeeze a barrel of oil out of stone. In fact, the ...

Oil from shale is one of the many alternative sources of petroleum that has been researched for the past several decades but to date no one has actually brought it to mass production.