The latest news on oil
Refiner Tesoro is far smaller than Exxon, but investing in an extra measure of safety is an economic decision.
The oil giant says spill protection is its goal but continues to debate the value of extra steel.
In the Supreme Court, the oil giant argues against punitive damages for the Alaskan oil spill.
Predictions abound that the price of crude oil could go much higher.
The oil giant puts a positive spin on its reserves replacement figures, but other countries clearly are impeding access to petroleum.
Flaring destroys huge stores of natural gas and pours carbon into the atmosphere, but stopping the waste will take money, know-how and infrastructure.
At least one analyst thinks an easing of prices will be only a respite before things get really bad.
Fund manager likes smaller companies that stay closer to home and don't rely on acquisitions for growth.
The industry says finding new oil is costly; companies use lots of cash to buy back their own shares.
Minerals help Wyoming, New Mexico, Alaska.