Boston's population density is 2200 per square mile or 800 per square kilometer. Also, perhaps surprisingly, Philadelphia is the least dense urban area in the world with more than 5 million population, while Chicago is the least dense urban area of more than 7.5 million.
Cargo fuel tanks shall not exceed 150 gallon capacity per vehicle. Vehicle transporting fuel in cargo tanks of 115 gallons or more shall display either a hazardous materials placard indicating identification number NA 1993 for diesel fuel or a placard indicating 'Fuel Oil'. When empty, the placard shall not be displayed.
How Do You Know Whether Your Vehicle Needs Premium Gas? Fuel requirement will be listed in your carâs ownerâs manual, and in the manufacturerâs specs for any new vehicle. If the car has a high-performance engine, the fuel requirement will read either âpremium requiredâ or âpremium recommendedâ.