What about gas/petrol? If your locality doesn't have the density to support useful public transportation, you live in the suburbs. It might be a giant sprawling

What about gas/petrol? If your locality doesn't have the density to support useful public transportation, you live in the suburbs. It might be a giant sprawling suburb bigger than some cities, but that doesn't automatically make it a city. A city needs to have city-grade services in other to qualify as a city.