Australian Petroleum Market Monitor - Provides daily reports to members on price trends and a database of daily prices in the Australian market.

California Energy Commission: Transportation Fuels - Average statewide retail gasoline and diesel fuel prices, and trends.

Daily Fuel Gauge Report - The American Automobile Association's media site for retail gas prices. Lists many different urban areas in the United States.

Energy Information Administration: Gasoline and Diesel Fuel Update - Average gasoline and diesel fuel prices, charted by region of the country, and listed by state.

Fuel Me Up - Allows consumers to input, update and share information on gas prices and gas stations. Wireless-enabled to assist travelers in finding gas stations and prices.

Fuel Tracker - Part of the Utility Consumers' Action Network, with user-contributed prices in San Diego County, California.

FuelWatch - Information on current fuel prices around the state of Western Australia.

GasBuddy Organization Inc. - Local, real-time gasoline prices. Canada and USA only.

Gas123.com - Provides gasoline prices for all gas stations in all 50 states in USA. Also offers rebate gas cards.

GasolineWatch.com - User supplied gasoline prices in the United States. [English/German; registration required]

Gasprice.com - Data and news about retail gasoline prices in the United States.

GasPriceWatch.com - Tracks gasoline prices at local stations from reports provided by consumers.

GasTips.com - Lists user-posted automobile gas prices from across Canada, sorted by province and region.

GasWars Online - Database of gasoline prices as reported by consumers.

GasWatch.org - Lists user-submitted prices for gasoline, diesel, and propane at locations, primarily in Canada and the United States.

Irish Fuel Prices.com - Attempts to track the lowest petrol and diesel prices in Ireland, asking users to supply prices. Offers related discussions, surveys and articles.

MotorMouth - Fuel Prices and Petrol Prices Australia - Provides fuel prices in a number of areas around Australia.

MSN Autos: Gas Prices - Search gas prices by zip code, using OPIS data.

Ottawa Gas Prices - Keeps track of Ottawa's best and worst gas prices.

Petrol Gauge.com - Interactive Service Station Database, UK and Ireland. User updateable, brand, location, price, AA and other motoring links.

Petrol Prices - UK fuel price information, updated by Fuel Card use. Free registration required for price searches.

Westchester County Department of Consumer Protection: Gasoline Pricing - Monthly gas prices, and averages by zip code and town, in Westchester County, New York.