■

There could be many parts which would not be used for electric cars.
In the process from records to CDs, the demand for needles of records completely disappeared.
We would find same phenomenon changing from gasoline engine cars to electric cars.
Observing the history, there have been many tries to make electric cars.
But automobile makers chose gasoline engine cars, because they could run faster than electric cars.
Nowadays people prefer cleaner and more economical cars to faster ones.
Ten years later, electric cars might have bigger share than gasoline engine cars.