"Chinese government officials signed an agreement on Tuesday with First Solar, an American solar developer, for a 2,000-megawatt photovoltaic farm to be built in the Mongolian desert."

"Government researchers have confirmed the ideal testing ground for electric cars: the U.S. Postal Service. Now all they have to do is find the money to pay for it."

"One company has received more than half of $500 million in the first round of grants from a Recovery Act program that provides cash assistance to renewable energy production companies in place of earned tax credits."

"Less than two weeks after the State Department gave the go-ahead for a major new pipeline to carry Alberta oil sands crude into the United States, a network of environmental and Native American groups filed a lawsuit to stop it."

"Geothermal startup AltaRock Energy Inc on Wednesday said it has suspended its demonstration project in California due to geologic anomalies."

"BP announced on Wednesday the discovery of what it characterized as a giant oil field several miles under the Gulf of Mexico, but it may take years to assess how much crude can actually be recovered."

A new study using CFTC data shows that speculators have come to dominate the oil futures market since Congress eased commodity regulations in 2000.

"The Prius hybrid automobile is popular for its fuel efficiency, but its electric motor and battery guzzle rare earth metals, a little-known class of elements .... That makes Toyota's market-leading gasoline-electric hybrid car and other similar vehicles vulnerable to a supply crunch predicted by experts as China, the world's dominant rare earths producer, limits exports while global demand swells."