"A Silicon Valley company is claiming a breakthrough in a decades-old quest to develop fuel cells that can supply affordable and relatively clean electricity. Google, Bank of America, Wal-Mart and other large corporations have been testing the devices, which will be formally introduced on Wednesday."

"Just seven months after Arizona enacted a law that supporters said would help make the state the 'solar capital' of the nation, new legislation has been introduced that opponents maintain could kill the nascent industry."

"Agriculture Secretary Tom Vilsack urged Congress on Thursday to reinstate the $1 a gallon biodiesel tax credit, calling it "an important credit" and "a support mechanism" for renewable fuels."

"SAN FRANCISCO -- If electric cars have any future in the United States, this may be the city where they arrive first. The San Francisco building code will soon be revised to require that new structures be wired for car chargers. Across the street from City Hall, some drivers are already plugging converted hybrids into a row of charging stations."

"The U.S. Interior Department on Thursday issued the final terms for leasing almost 37 million acres in the central Gulf of Mexico to energy companies so they can drill for oil and natural gas."

"Hopes of an electric car boom are spurring companies to seek new lithium sources, but new finds may be lower quality and costlier to develop than established deposits able to meet demand for years to come."

"The U.S. Environmental Protection Agency said that ethanol and other renewable fuels must account for 8.25 percent of total gasoline and diesel sales in 2010 to meet Congress' mandate that nearly 13 billion gallons of renewable fuels be produced this year."