General Electric has a solution to the eyesore problem.
New thermophotovoltaic materials could replace alternators in cars and save fuel.
Cars with advanced batteries get 100 mpg and boast far greater range than all-electric vehicles.
Bioengineer Tim Gardner says synthetic biology could create bacteria that produce electricity from waste more efficiently.
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.