The blackout struck around 11:30 a.m. Saturday, after a connection that brings power in from India tripped. Most of the country's more than 160 million people were without power for hours.
Melissa Block talks to oilman T. Boone Pickens. He told the Wall Street Journal that energy companies are pumping too much oil and that none of them wants to be the first to stop.
The so-called Islamic State is raking in millions selling oil to smugglers. The U.S. is working to undermine the militant group's finances by interrupting oil sales and punishing companies that purchase crude from them.
Wind power is a growing part of the energy mix in the United States. And more wind turbines means there are new jobs for people to install and repair them. The job requires a unique skill set.
All around the country, drivers are seeing signs that gas prices are depressed. Those drops helped hold down the latest consumer price index. But economists worry about too much of a good thing.
Female executives are a rarity in the energy industry. But Lynn Good, CEO of Duke Energy, took the helm of the utility giant just as it was grappling with some very public challenges.
Gas prices are falling — and so are hybrid car sales. Analysts say better gas mileage for traditional vehicles, combined with low gas prices, is giving hybrids a run for their money.
Just a few years ago, authors were predicting production would soon hit a peak and then decline. But since then, supplies have surged. So are the forecasters now slapping themselves in the head?
Prices are down 25 percent since June, unleashing ripples around the globe that range from lower gas prices in the U.S. to budget problems in Russia to political pressures in the Middle East.