Unleaded Gasoline Futures were traded on the NYMEX/CME. Each contract was for 1000 barrels of Unleaded Gasoline . Prices were quoted in cents per gallon.
Unleaded Gasoline Futures contracts existed for the months of January (F), February (G), March (H), April (J), May (K), June (M), July (N), August (Q), September (U), October (V), November (X) and December (Z). The deliverable product for the Unleaded Gasoline Futures contract was N.Y. Harbor Unleaded Gasoline.
Click on any price shown on this page to see a time series of the underlying data, along with options for graphing, downloading and validating the data.
Quandl's explanatory page About Futures Contracts.