Originally Posted by
Agile
Most rental car contract require returning the car full fuel, but fuel next to airport is high price.
So what you do is fuel it next to your hotel 50 Km away the night before at beyond capacity.
Fuel it full, wait for the pump release click, shake the car (quite a few dead air comes up) fuel again.
6 am at the airport fuel gauge still on "Full"
Funny enough I saw that same advice on the pros and cons of car rental on Tripadvisor......