Federal judges on Monday pressed the Obama administration to explain delays that have plagued its implementation of the U.S.

Royal Dutch Shell's bid to drill in the Arctic this summer took another step forward on Friday when the U.S. Interior Department approved its oil spill response plan for the Chukchi Sea.

The United States must urgently work to find a new central site to house its spent nuclear fuel and probe whether Japan's nuclear disaster has any safety implications for storage at the country's p

BP will be allowed to participate in an upcoming U.S. offshore oil and gas lease sale despite its role in the largest offshore oil spill in U.S.

The U.S. Energy Department finalized loan guarantees for two major solar projects on Wednesday, as the deadline loomed for the government's renewable-energy incentive program.

The nuclear regulator said on Thursday that it will require operators of the nation's 104 nuclear reactors to review their earthquake risks as part of an ongoing update of seismic hazards for power

Lax trade restrictions and high sugar prices should allow the United States to overtake Brazil in ethanol exports during the second half of 2011, the U.S.

A federal panel sketched out its first vision of a regulatory roadmap for the booming shale natural gas industry on Thursday, urging more transparency on the use of chemicals and more careful treat

The House of Representatives on Tuesday approved legislation that would set a firm deadline for the Obama administration to decide the fate of a proposed $7 billion pipeline that would transport Ca

Some nuclear plants could do a better job preparing for a catastrophic event, including ensuring safety equipment is in good working order, the top federal nuclear regulator said on Friday.

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