ARPA-E is funding several projects that use liquid battery electrodes to cut costs and increase energy density.
Sochi organizers say they’re offsetting Olympics-related carbon emissions, but they’re not accounting for everything.
The sell-off of synthetic biology pioneer LS9 goes to show that making biofuels from genetically engineered microbes has yet to deliver economically.
GE's nuclear waste-burning PRISM reactors get a new chance at commercialization.
Reducing water consumption at solar thermal plants raises costs and decreases power production.
Startup Global Bioenergies uses genetic engineering to avoid one of the costliest steps in biofuel production.
New approach developed at MIT could generate power from sunlight efficiently and on demand.
A low-power, multiroom sensor network watches for drips and runs on a coin-cell battery.
Aquion has started production of a low-cost sodium-ion battery aimed at making renewable energy viable.
New devices address instability caused by high penetration of distributed solar.