Carbon nanotube-based membranes will dramatically cut the cost of desalination.
A new way to create complex nanostructures will improve batteries and solar panels.
Hybrid trucks and buses could significantly cut U.S. fuel consumption, but initial high costs are holding them back.
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.