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.
Top Tier gasoline must contain more deposit-fighting detergents, it also must be sold at all of a fuel marketerâs stations and across all grades of its gasoline, from 87-octane regular to top-of-the-line premium.hen asked about the price of Top Tier Valentine wrote, âToyota does not comment on the true cost. However, generally there is no change between TTDG [Top Tier Detergent Gasoline] and normal LAC [Lowest Additive Concentration] gasoline,â good news for consumers wanting to keep their vehicles for many years.