The screen is just begging to be leveled, and there are often some power-ups nestled between the speaker poles. Small wooden ramps lead to green crates, and sometimes, hover mods. A wrench can often be seen spinning in the void above the impression. The only way it can be reached is by hovering. These poor, deserted service stations are nothing more than fodder for your arsenal.
Some quests call for their destruction, others for their protection.
Just shoot open the doors to claim your prize. Pull up next to the pumps to recharge as well. Shooting the rocket near the lower gas station causes it to launch. More of a nuisance than anything, the cars can't shoot. They just follow you around, getting in the way and attempting to ram you.