When returning rental car to airport, Waze to ask "do you want to stop for gas?"
Traveler returning to airport to drop rental needs to stop for gas. Waze to ask "do you want to stop for gas?" and provides location of close stations
There could be an additional option to the "gas" menu that would allow to select where to find it :
"closest from current position" (only option now)
"shortest detour from planned route"
"closest from destination"