/industries/refining/b/weblog/posts/minimizing-valuable-octane-giveawayWith many of the hydrocarbons falling in price, one exception has been octane (C 8 H 18 ). Its structure comes in many forms or isomers—18 according to its Wikipedia entry . These octanes are : …a family of hydrocarbon that are typical components ofen-USTelligent Community 13