A123 Systems has built a powerful, lightweight lithium-ion battery pack that could lower the price of hybrid vehicles.
In the future, the environment could be pervaded by sensors using the same power-scavenging techniques as RFID tags.
A project is networking home appliances and thermostats to electricity grids, decreasing utility costs and electricity loads.
Floating wind farms placed far offshore could lead to affordable electricity – without cluttering the view.
Fuel cells won't significantly dent fuel consumption for 50 years -- we need to look elsewhere.
Novel extraction technologies could as much as double accessible world oil.
The institute's energy council co-chair Ernest J. Moniz describes a sweeping agenda to meet a "remarkable challenge."
MIT's Gregory Stephanopoulos is making microbes work harder to make ethanol production more efficient.
Throw away your batteries. Tiny nanowires could power medical implants, even your iPod.
A novel approach to concentrating sunlight could cut solar panel costs.