Analysis. While the Deepwater Horizon incident has introduced a new dimension of uncertainty to the offshore oil and gas sector, deepwater oil discoveries are increasingly important to the global and U.S. reserve base, according to research compiled by IHS CERA.

Report. Since 1974, Presidents have said the U.S. needs to end its dependence on foreign oil ... but in 2010, we're further from that goal than ever. A big reason?

Analysis. Former EPA attorney Richard Stoll discusses the Department of Justice's civil and criminal investigations into the Gulf spill. He explains how DOJ will work with other agencies, why the federal economic liability cap might not stand up in court, and why the defense would face long odds if the case goes to a jury.

World oil prices fell sharply on Friday, pressured by energy demand concerns, weak US economic data and a strengthening US dollar in pre-weekend trade, analysts said.