The Energy Department's failure to recognize an impending supply squeeze for helium-3—a nonradioactive gas produced in the agency's nuclear weapons complex—has created a national crisis requiring White House intervention and threatening key U.S. nuclear and homeland security programs, a wide range of medical and scientific research activities and development of U.S. oil and natural gas resources, according to testimony before a House subcommittee....

Despite the political kerfuffle over Obama administration loan guarantees for new nuclear generating plants, the ubiquitous hand-wringing about fossil fuels and climate change, and the hype about wind and solar renewable power generation, the new reality of natural gas may be a game-changer....

Ensuring an adequate supply of rare earth elements and minerals may be a hurdle in the renewable energy supply chain. The metals and their compounds are used in battery technologies, windmills, catalysts, and communications technologies. Add lithium (not a rare earth) to that mix, as Latin American politics could cloud the prospects for new lithium supplies....

Wind generating capacity hit new highs in 2009, but that didn’t mean much for the wind power manufacturing sector, meaning fewer “green” jobs than the Obama administration hoped to see....

Natural gas has reemerged as the choice for new electric generation, according to the North American Electric Reliability Corp. Does this raise new reliability issues?...