People aren't giving up their cars and current lifestyles easily. The simplest solution I see for parking lots is to cover them and generate power. Also keeps

People aren't giving up their cars and current lifestyles easily. The simplest solution I see for parking lots is to cover them and generate power. Also keeps them dry and, in warm climates, cooler. Relatively inexpensive (and becoming ever more so). Quick payback. Minimal modification of extant real estate and behavior. There you go.