The economy is slowing the progress of green technologies, but energy efficiency and clean coal continue to attract money.
An advanced dye boosts the efficiency of dye-sensitized solar cells.
New materials from MIT could power laser weapons or give hybrid cars jackrabbit acceleration.
A new carbon-capture method will be tested at a German coal plant.
A carbon-emissions limit will raise energy prices unevenly.
After months of gloom, the U.S. stimulus package could kick-start some projects.
Zhong Lin Wang thinks piezoelectric nanowires could power implantable medical devices and serve as tiny sensors.
Donald Sadoway conceived of a novel battery that could allow cities to run on solar power at night.
A new reactor design could make nuclear power safer and cheaper, says John Gilleland.
Turning organic waste into hydrogen now works without expensive platinum.