Small, automatic electric vehicles will be demonstrated in two new projects.
Carbon nanotubes could replace expensive platinum catalysts and help finally make fuel cells economical.
Self-organizing equipment could cut energy bills.
A new catalyst could make ethanol fuel cells practical for portable gadgets.
The president clears away obstacles to reducing U.S. gasoline consumption.
Combining different battery technologies could improve vehicle performance and reduce costs.
A new way to convert heat into electricity could lead to more efficient solar power.
The new Prius is designed so that its battery pack can be swapped out for a plug-in lithium-ion battery.
Just as the company makes engines, it will now make battery packs for electric cars.
Dense films of carbon nanotubes store large amounts of energy.