Car rental companies are robbing us on average £40 per rental with the "return the tank empty" scam;it's just pure and simple robbery.A small car has a 35 liter tank but they charge you for a 50 liter at £50 ;on return the tank will have from £10 to £25 of petrol that they steal from us.

The solution is only rent from companies who have the policy "return the tank full",Complain to the press ,Spanish tourism board or take them to court for Highway Robbery.