Italian-Russian reactor could be the first to reach a major milestone.
But BP's "top kill" method to stanch the spill could also break it wide open.
Economists and utilities say the draft legislation could help avoid costly regulations.
Utilities are installing devices that make ice at night to replace air-conditioning during times of peak power demand.
A layer of optical fiber bristles doubles the performance of organic solar cells in tests.
Levant Power saves fuel by turning road shocks and vibrations into electricity.
The DOE accounts for its spending of stimulus funding.
New material could cut the use of expensive platinum by 80 percent.
The disaster exposes overreliance on blowout preventers that has been long disparaged by insiders.
Approval of Cape Wind could signal a boon in offshore wind projects.