The summer fuel crisis saw soaring petrol and diesel prices, with the fuel manufacturers quickly passing on the rise in the price of barrels of oil onto the consumers at the pumps.

The peak of this crisis saw oil at $147 a barrel. Prices have fallen substantially, and are now substantially under the $100 a barrel mark. However, petrol prices have only fallen by 6% from their summer peak of 119.7p per litre to 112.8p per litre.

The AA says that it takes around 6 weeks for changes in the market price of oil to feed through to petrol pump prices. Interestingly enough, this only seems to apply to reductions in oil prices, consumers are used to seeing the rising price of a barrel of oil have an almost immediate effect on the petrol pump prices.

In July of this year, the UK Government postponed the 2p increase in fuel duty. Does the plummeting oil price mean that that "postponement" is now at risk?