Petroleum, also known as crude oil, is sometimes called black gold because of the enormous amount of money that is spent on it.
Coal
Yellow and Black Gold Finch. Also known as a Potato Chip Finch.
Black gold got its name because it was popular like gold and lots of people wanted it and it was black so that is how it got its name.
Yellow and Black Gold Finch. Also known as a Potato Chip Finch.
black gold is the nickname for oil
Primarily gold (thus the name) but there are also black spots and a red line.
black gold is oil. it is called that because it is worth a lot
Its the Oil, that's the black gold and that's why Iraq was occupied and it's people have been killed for...the black gold !
Black Gold is another name for oil, so it is very unlikely.
it is another name for oil because it was just as valuable as gold.
petroleum
To date there have been two Rangers whose suit was both black and gold. They are the Gold Ranger in Zeo and the Ranger Operator Series Gold in RPM.