Several countries have raised petrol taxes, and now tax leaded petrol far more heavily than unleaded fuel.

ECONOMIST: Taxes for a cleaner planet

Super unleaded fuel will not be imported into Guernsey from the end of March, Fuel Supplies CI has announced.

BBC: Super unleaded fuel to be withdrawn from Guernsey

Currently the company is the only importer of super unleaded fuel.

BBC: Super unleaded fuel to be withdrawn from Guernsey

Yesterday, FEMA announced that the President directed the Defense Logistics Agency (DLA) to purchase up to 12 million gallons of unleaded fuel and up to 10 million gallons of diesel fuel for distribution in areas impacted by the storm to supplement ongoing private sector efforts.

WHITEHOUSE: The White House

The second thing -- and this was announced late yesterday -- the Department of Defense through the Defense Logistics Agency authorized the purchase of 12 million gallons of unleaded fuel and 10 million gallons of diesel fuel that can be used to run generators -- been contracted -- the purchase of this fuel and the delivery of this fuel.

WHITEHOUSE: The White House

Fuel Supplies CI, which stopped importing the fuel last week, is the only importer of super unleaded petrol.

BBC: Guernsey super unleaded petrol supplies to continue

Limited supplies of super unleaded petrol will be imported into Guernsey from the end of April, Fuel Supplies CI has announced.

BBC: Guernsey super unleaded petrol supplies to continue

According to the website PetrolPrices.com, the lowest costs for fuel at forecourts in or close to Stornoway is 138.9p for unleaded petrol and 147.9p for diesel.

BBC: Scottish Fuels in offer to Western Isles customers