Black gold. Earth’s blood. Texas tea. Bubblin’ crude. These are all common expressions for crude oil, one of the most valuable substances on the planet. But how did humans discover oil?
You Might Be Able To Use Poop To Fuel Your Car One Day
No one likes spending money, but some purchases feel more pointless than others. Paying for gas is one of my least favorite expenses, so this infographic is the best news I’ve seen all day.
