T here are times when you're sitting in a best-in-the-sky Boeing 747 waiting on the tarmac, with nothing to do but watch ...

A fueling truck slides up to the plane, ... Depending on the model, the average 747 can carry from 48,000 to 63,000 gallons, which, if you're keeping track, is about 183,000 to 238,000 liters.