The technologies behind the battery packs for the GM Volt are being tested and could be ready within a year.
Superconducting cables could make power-grid infrastructure more secure.
In a bizarre alternative to photosynthesis, some fungi "eat" radiation--with the role of chlorophyll taken by melanin, a chemical also found in human skin.
A new way to make hydrogen from corn or potatoes could make fuel-cell vehicles more practical.
A new material prevents overheating, making lithium-ion batteries safer for use in vehicles.
Consumers want them--once they know what they are.
The genetically-modified plants break down their own cellulose, making it possible to use waste biomass to produce ethanol.
A new roof-mounted system that concentrates sunlight could cut the price of photovoltaics.