Each and every Monday, cash self-serve on-highway diesel prices (including taxes) are collected from a small sample of approximately 400 retail diesel powered outlets in the continental Oughout. S. The sample features a combination of truck stops as well as service stations that market on-highway diesel fuel. The information represent the price of ultra lower sulfur diesel (ULSD) that contains less than 15 parts-per-million sulfur.
The prices are gathered via telephone, fax, e-mail, or the internet from taking part outlets. All collected costs are subjected to automated modify checks during data selection and data processing. Information flagged by the edits tend to be verified with the respondents. Imputation is used for companies which cannot be contacted and for documented prices that are extreme outliers. The average survey response price for 2012 was 00%.
Average national and local prices are released about 5: 00 p. mirielle. ET on Mondays, other than on government holidays, whereby the data are released upon Tuesday (but still symbolize Monday's price). These information are made available through EIA's hotline (202-586-6966), EIA's web site, and through EIA's e mail notification, regular and wifi.