Top-Tip's that I personally use/used for beating the Government's price hike:-
1) Buy 1 or more empty 45 Gallon Oil Drum(s) [for metric boffins = 204 litres] & sterilize it (you might find one at your local salvage yard or rubbish dump)
2) Store it somewhere on your property so it can be easily accessed (the back yard, shed or garage etc etc)
3) Once the price on fuel decreases, fill up a Fuel Can when you fill up your car's tank (usually around £4.50 - £5 to do)
4) Empty the can into the Drum using a funnel
5) Once filled, seal with a non-pourous lid of some description
6) Extract when required
This should keep your scooby well fed for a while!
Reasons for this insanity:- THE PRICE IN MY LOCAL AREA FOR OPTIMAX IS NOW AT £1.04 PER LITRE!!!