The main utility of these websites is that they allow users to find the lowest price of gasoline in their area, since gasoline prices often vary significantly between gas stations in the same neighborhood.
In some cases, points can be redeemed for rewards, such as an entry in a drawing for a prize, such as electric vehicles and free fuel cards.
Some sites also provide message forums to allow users to engage in discussions about gas prices and money-saving strategies, among other topics.
In Western Australia, the FuelWatch concept is a free service, backed by Government legislation.
Each afternoon, the prices for the next day are released to the public and the media, allowing consumers to make an informed decision whether to fill up today or tomorrow, safe in the knowledge that prices cannot change.