burn a lot of fuel Google tells me Google tells me 36,000 gallons of fuel Google tells me an average Boeing 747 science.howstuffworks.com... this Website 100 miles per gallon Google tells me around 5 gallons as much as 150,000 liters (36,000 gallons) of fuel Fly less 36,000 gallons of fuel around 5 gallons one mile per 5 gallons. Boeing 747 burns Google tells me around 5 gallons approximately Google tells me 36,000 gallons of oil Boeing 747 burns approximately 5 gallons of fuel per mile more than 36,000 gallons of fuel as much as 150,000 liters (36,000 gallons) of fuel around 4 litres of jet fuel per second Google tells me around 5 gallons howstuffworks.com