About 40 percent of the energy used in this country comes from oil.

They are often made from oil that comes out of the ground.

"We're not going to move out from oil and gas, but we certainly can become more international."

If so, how could that be independent from foreign oil?

A lot of the money from oil was also going to overseas companies.

Less than 1 percent of California's electricity comes from oil.

As a result, no one really knows what the government earns from oil.

Over the years, however, the resources from oil dried up.

The light was changed from oil to electric on November 26, 1929.

The fact that part of the current inflation comes from oil and food doesn't change this process.