Professionals working in the petroleum industry can complement information about innovations in petroleum technology, best practices for maintaining safety in petroleum extraction, conservation, and transportation, etc. Economists can use this icon set to enrich their content about the factors that influence petrol prices. Environmentalists can use this icon set to augment the meaning of text regarding tips and ways to save fuel and maximize efficiency. Educators can include these icons in their presentations to support information related to major petroleum-producing countries worldwide.