Business

In Texas recently there was a grand opening for what is now the largest refinery in the U.S. Shell and Saudi Arabia's national oil company, Saudi Aramco, have more than doubled the capacity of their Port Arthur refinery.

The refinery business has been going through a tough period in recent years. Americans are buying less gasoline and other petroleum products — about 10 percent less than in 2005, according to the U.S. Energy Information Administration.

Spain's borrowing costs hit record highs this week and European stock markets have slumped over fears Madrid can't afford the price tag required to prop up its ailing banks. It's looking ever more likely the country will need some kind of bailout.

After watching Greece from afar for years, many Spaniards now believe Spain's number is up.

A tourist in Madrid might wonder where the crisis is. Traffic is heavy and the tapas bars are packed.

But listen in on some of the conversations, and it's clear that Spaniards are scared.