Oil

After first oil well was drilled in 1892, derricks became a symbol of Los Angeles.

The price of oil is dropping. Good news or bad news?

Maybe we should be asking what isn't made from a barrel of oil.

Kai talks with Adrian DeLeon, the mayor of Carrizo Springs, Texas.

If oil prices fall, will tires cost less? The answers are far from black and white.

Kai Ryssdal talks to commercial grain farmer Curt Mowery.

Most of the cost of oil can be attributed to exploration, drilling and pumping.

Kai sits down with Marketplace's Scott Tong to talk fracking.

Americans are saving a buck a gallon on gas, giving them much greater spending power.

Cheap oil could make the Fed cautious about raising interest rates. Or not.