Now you can check the price of gas daily at over 90,000 service stations.
. . . prices are provided by OPIS. OPIS is the only comprehensive source of U.S. wholesale and retail petroleum prices, tracking more than 90,000 daily retail gasoline prices, and 70,000 rack and spot prices for heating oil, gasoline, diesel, kerosene, jet fuel, LP-Gas, residual fuel, natural gas and ethanol. More than 100 billion gallons of fuel are purchased annually based on an OPIS Price Index.”