sentence: Fuel oil is made of long hydrocarbon chains, particularly alkanes, cycloalkanes and aromatics.
sentences_before: In this sense, diesel is a type of fuel oil.
sentences_after: The term 'fuel oil' is also used in a stricter sense to refer only to the heaviest commercial fuel that can be obtained from crude oil, heavier than gasoline and naphtha.
concept_name: fuel oil
headings: Fuel oil
categories: Fuel Chemical compounds Oils