I suggest purchasing your own energy. I voted 'other' because your "idea" is a covert toll road and it raises ethical issues. Would be more honest to request a coin from every passer by.
hiii mneary
i agree on ur points but here the issue is not money but its energy
anyhow it is going to waste then whats wrong if we collect it n use for some applications coz its not goin to affect the horizontal motion of the vehicles