Bloomberg The world’s biggest oil explorers are fighting a U.S. plan to toughen offshore drilling rules that Exxon Mobil Corp. said will cost $25 billion over 10 years and render many offshore discoveries worthless. The Obama administration will issue the sweeping new regulations as part of an effort to reduce the number of well blowouts after the explosion aboard the ...

  Bloomberg Energy XXI Ltd., a U.S. oil and gas explorer, filed for bankruptcy protection after spending $5 billion on acquisitions in the years leading up to the crude slump. The company entered Chapter 11 in Houston after reaching a restructuring agreement with noteholders, it said on Thursday in a statement. “Energy XXI will eliminate more than $2.8 billion in ...

  Bloomberg Brazil’s Ibovespa equity index rallied to a 10-month high as traders increased wagers that President Dilma Rousseff will be impeached, paving the way for a new government to pull the economy out of its worst recession in a century. State-controlled oil producer Petroleo Brasileiro SA, iron ore miner Vale SA and lender Itau Unibanco Holding SA contributed the ...