ok....3 tonnes of kerosene at 0.8 SG = 3750 litres....
my Peugeot diesel has a 50 litre tank...on the motorway i can get 600+ miles out of that.
so for 2 hours worth of flying about in a 737, i can get 45,000 miles in the car..
a kind of out of context comparison, but amusing nonetheless..
