oil

A Texas company conducting controversial oil exploration in the Big Cypress National Preserve now wants to expand operations.

Some Democratic presidential candidates want to ban fracking to help address climate change. That attracts young people, but may alienate swing voters in key oil and gas states like Pennsylvania.

The court said the government has adequately consulted with indigenous groups about the pipeline expansion. First Nations have said that they remain concerned about the project's environmental impact.

Many transportation and delivery companies began adding fuel surcharges when oil prices shot up a few years ago. Now, the cost of oil has plunged — but many of those fuel fees still linger.

Venezuela's leader was in Qatar this week seeking billions to shore up his flagging economy. Oil prices have fallen by nearly 50 percent since last year and are now near a six-year low.