Advances could at last make the high-energy batteries practical.
Startup Enphase Energy is shrinking DC-to-AC inverters to extract more juice from solar panels.
OLEDs could soon give fluorescent lighting a run for its money.
A New Jersey plant is planning to put ocean-floor carbon sequestration to the test.
QD Vision is using its quantum dots in LED lighting to produce more pleasing white light.
Mascoma has announced several advances that may lead to a cheaper, more efficient process to turn biomass into ethanol.
Findings show that turning biomass into electricity is more beneficial than turning it into transportation fuels.
A new printing method could cut costs and produce more-precise features.
Skyline Solar, a new startup, is combining conventional technologies to lower solar-power costs.
A new process extracts high-value carbon black from methane.