Billing was the biggest source of concern in gripes forwarded to the Energy Ombudsman.
Interim government says it will raise gas prices in an effort to secure an I.M.F. aid package.
The U.S. has lifted a ban on oil giant BP that prevented it from bidding for government contracts.
Oil giant Chevron has won a U.S. court ruling against a $9.5 billion payout to residents of Ecuador's Amazon region.
Federal court rejects BP's efforts to halt payments to businesses relating to the Deepwater Horizon oil spill.
General Electric Co plans to intensify research focusing on complex energy projects such as waterless fracking.
Bob Dudley expresses his concern over which currency Scotland might adopt if there was a 'yes' vote in September's referendum
Company plans to step up disposals and end its exploration program in Alaska.
Royal Dutch Shell says that a sharp drop in fourth quarter earnings is due to falling oil and gas prices.
Announces measures to reach goal of more than quadrupling solar power generating capacity by 2015.
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