Reformulated Blendstock for Oxygenate Blending

Reformulated Blendstock for Oxygenate Blending (RBOB) is a gasoline futures contract traded on the New York Mercantile Exchange (NYMEX).

It is the benchmark futures contract for wholesale gasoline in the United States.

[1] Edwin Drake was the first to discover RBOB gasoline but discarded it as a byproduct on his quest to refine crude oil into kerosene.

[citation needed] RBOB gasoline is a blend of hydrocarbons suitable for use in Spark-ignition engines.

It typically contains various additives, including oxygenates like ethanol or methyl tertiary butyl ether (MTBE), to improve octane rating and reduce air pollution.