oil giants

Britain has doubled rig inspections. Bulgaria scrapped plans for a new oil pipeline. Chinese and French oil giants are upgrading equipment and procedures designed to prevent spills.

As oil continues to gush into the Gulf of Mexico, nations around the globe are taking a cue from this cautionary tale and ratcheting up their oversight of the petroleum industry.

Major oil companies are finally gaining access to Iraq’s petroleum reserves, but at far less advantageous terms than they once envisioned.

Petro-Canada shareholders have voted to approve the takeover of their integrated oil and gas company by Suncor Energy Inc., uniting two of Canada's biggest oil companies.

Many oil giants are staying on the sidelines, balking at investing in new technologies favored by the president.

Suncor Energy has agreed to acquire Petro-Canada in an all-stock deal worth about $15 billion.