It's pretty easy to buy a tank of gasoline. It's not so easy to buy a tanker of crude oil — actual, physical oil. But getting into the oil business seemed like the best way to see how it really works. Jess Jiang/NPR hide caption
Planet Money Bought Some Oil The team at Planet Money set out to buy 100 barrels of crude oil right from the source, and then follow it from ground to gas tank.