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.
Fuel: The cost of fuel is the main cause of reduced profitability. The average oil price for 2011 is now expected to be $110 per barrel (Brent), a 15% increase over the previous forecast of $96 per barrel. For each dollar increase in the average annual oil price, airlines face an additional $1.6 billion in costs.With estimates that 50% of the industryâs fuel requirement is hedged at 2010 price levels, the industry 2011 fuel bill will rise by $10 billion to $176 billion.Fuel is now estimated to comprise 30% of airline costsâmore than double the 13% of 2001.ith estimates that 50% of the industryâs fuel requirement is hedged at 2010 price levels, the industry 2011 fuel bill will rise by $10 billion to $176 billion. Fuel is now estimated to comprise 30% of airline costsâmore than double the 13% of 2001.