What is called black gold and why?
What is called black gold and why? Petroleum is very valuable . Crude oil is the virtual backbone of our modern lives. Huge amounts of money and sophisticated equipment are required for bringing out the petroleum from the subsurface. Thus, its value is comparable to gold. Therefore , Petroleum is called black gold. What is black gold actually called? Crude oil comes out of the ground as black, so it is called as black gold. Actually, any business which provides a lot of money . As both Coal & Petroleum handles lot of money so they called as Black Gold....