The earthquake last Tuesday in Virginia may have produced stronger shaking at the North Anna nuclear plant than the reactors were designed to withstand, and the Nuclear Regulatory Commission has se

The earthquake Tuesday in the Eastern United States was felt at 13 locations with nuclear power plants, from North Carolina to Michigan, but reactors shut down at only one, North Anna in Virginia,

Big tractor-trailer trucks will have to get 20 percent more miles per gallon by the 2018 model year under the first-ever fuel economy rules for heavy vehicles, announced Tuesday by President Obama.

The Nuclear Regulatory Commission is approaching completion of an ambitious study that concludes that a meltdown at a typical American reactor would lead to far fewer deaths than previously assumed

Federal regulators laid down principles on Thursday for planning and paying for new power lines, part of a long-term policy effort to help the nation

A majority of the five-member Nuclear Regulatory Commission is signaling that it wants to move slowly on at least some new recommendations from its staff on how to reduce the chance of a Fukushima-type accident at an American reactor despite calls by its chairman for swift action.

Three commissioners are resisting a proposal by the chairman, Gregory B.

Peculiarities of the electricity system in New York State, including its unusual independent status, would make it difficult and expensive to replace electricity from the Indian Point nuclear power plant if Gov. Andrew M. Cuomo succeeds in shutting it down, experts on the grid warn.

The Indian Point nuclear power plant, about 35 miles north of Midtown Manhattan. Gov. Andrew M.

The Fukushima Daiichi meltdowns show that it is time for

The Energy Department plans to provide a $105 million loan guarantee for the expansion of an ethanol factory in Emmetsburg, Iowa, that intends to make motor fuel from corncobs, leaves and husks.

Experts say that the new factory, being built by POET, a major producer of ethanol derived from corn kernels, could be the first commercial-scale plant to make ethanol from a nonfood, or cellulosic, pla

When safety regulators arrive for a tour of a nuclear plant, the operators usually give the visitors a helmet, safety glasses and earplugs. When Gregory B.