Whether true or not, it will convince you to top off your tank, and potentially purchase some things from the shop.
To change how much gas you’re buying in a lifetime it would need to change how far you drive. On the other hand T-Shirt advertising can convince you to buy significantly more clothes in a lifetime.
It’s a qualitative difference even if I didn’t express it well.
> To change how much gas you’re buying in a lifetime it would need to change how far you drive.
City/state/national tourism bureaus are taking care of that part. With help from the automobile industry's marketing arm.
It’s little different than a hospital sign. People don’t think hey there’s a hospital maybe I should have this gaping chest wound taken care of. Which is why they end up as H’s with a simple arrow rather than list out which specific hospital etc.
Unfortunately, more widespread and effective advertising has real costs that end up raising prices. Coke’s premium over sugar water is backed up by their advertising spend.
Tracking, manipulation, etc are major downsides to advertising. But, even purely informative adds on TV aren’t free.