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As regulations from the Environmental Protection Agency (EPA) to curb greenhouse gases from power plants and other large stationary sources took effect for the first time this week, a federal appeals court temporarily stayed the federal agency’s plan to seize control of greenhouse gas permits from Texas.

Ormat Technologies last week said it would not proceed with Part II of a loan guarantee application for three geothermal projects in California and Nevada, shunning the opportunity for up to $330 million in federal funds. The Reno-based company said it had instead decided to “explore” commercial financing, citing uncertainties in the project permitting process and transaction costs associated with the program.

The German state governing council of Hesse last week partially approved a 1.1-GW coal-fired power plant proposed for construction by Germany firm E.ON at its Staudinger site. If E.ON receives clearance for actual operation of the plant, the plant will be the sixth block at the site, replacing three older units built in the 1960s and 1970s.

A novel technology that could help release some currently unusable energy in an estimated 2 billion tons of coal waste in the U.S. has been demonstrated by a Department of Energy–supported project, the federal body said on Tuesday.

The Nuclear Regulatory Commission (NRC) last week said it had published its final Safety Evaluation Report (SER) for the Mixed-Oxide (MOX) Fuel Fabrication Facility at Savannah River.

The Federal Energy Regulatory Commission (FERC) last month approved Constellation Energy’s $1.1 billion acquisition of BostonGen’s five power plants in the Boston area, which have a combined capacity of 2,950 MW. The approval marks closing of the sale of the third-largest generating portfolio in the New England region.

Although it doesn’t get much attention, the world’s first and largest source of renewable electricity, water power, is still a major player on the world stage. Though viewed as politically incorrect by some folks, mostly in the developed world, and despite its well-known environmental impacts, using water to turn turbines to generate electricity represents an attractive way to generate electricity with no fuel costs, even in the U.S. Here’s what’s being talked about in the U.S., India, Turkey, Nigeria, and China.

Whatever happened to the venerable military institution of KP? It’s been outsourced, along with a lot of other tasks in the work environment. Outsourcing often makes sense, but it isn’t a panacea.

Despite high-powered congressional legislation in 2005, the U.S. is still unable to site high-voltage interstate transmission lines in a timely fashion. Two new reports suggest ways out of the gridlock.

Uranium remains plentiful around the world, says a new resource study from MIT, obviating the need to "close" the nuclear fuel cycle by reprocessing and developing breeder reactors.