Or learn to store electricity in less weight and less space.
Next year's model, already undergoing tests in Europe, will store 20 percent more electricity per unit of weight, he said.
Contrary to popular belief, batteries do not store electricity.
You can't store or can electricity and when someone turns on the switch, they want the lights to go on.
That might be all right if we could store electricity for when it is needed - but we can't, at least not in large quantities.
We're not in the 1990's any more - increasingly viable technologies are emerging to store electricity.
Such devices can store electricity and release it in a few millionths of a second as a powerful pulse.
But there is no good way yet to store electricity.
This combination provides what is known as a condenser, a device which will store and discharge electricity.
We can't store electricity so if people can be persuaded not to run the washing machine at peak hours it helps.