The last one is a big step forward Yossam. Use the cars to produce the needed light. Head lights, emergency lights. People running with flash lights?
If the light from the cars is not hitting the right places for you, then maybe move the road so that is does?
I like that the power is out, that immediately indicates a serious problem! But if you still need more light you can add street lights on the road, but have the light from them be fluctuating, some on some off. And among the ones that are on, vary the brightness, some bright some dull. It would still indicate the nature of the emergency, but more subtly.
Maybe to subtly? because I do like the power being off, it creates a lot of tension and opportunities for extreme contrast.
You can also base your composition entirely on the dark silhouette, and the bright head beams. Could be very dynamic?