To bilk: to cheat, to deceive, to balk or swindle. In this film for Inside Out, bilking making making off without paying for fuel from petrol stations - and more people than ever are doing it. Some are even stealing to order. It's crippling garage owners who make only a few pence per litre. This had a 20% audience share and 1.25 million viewers when it aired on Monday 5th March.