Solar cells on roofs

Solar cells are needed to be installed on the roofs.
The solar cells will produce electricity for car batteries.
- In future: lithium <~~ Li+ ~~> silicon nanowires
process - and your car can go 1000 km by one charging.
The same roof surface can produce both warmth
and electricity perhaps through the plastic meanwhile
or at different times.

Electric cars and mopeds keep air clean and noiseless
in towns, and will perhaps increase our lifetime. You
can produce electricity for the general network too.
Nanolayer keeps solar cells clean. TH