1. not derived from or containing petroleum

Examples

• The company invested in nonpetroleum energy sources like solar and wind power.
• Researchers are developing nonpetroleum plastics made from plant materials.
• The new fuel is a nonpetroleum alternative that reduces carbon emissions.
• Many countries are shifting toward nonpetroleum transportation options.
• The factory uses only nonpetroleum lubricants in its machinery.
• Scientists are exploring nonpetroleum chemicals for industrial applications.