A fuel engineer is a spet in techniques and appliances that use natural gasoline. https://pei-studyabroad.com/%e3%82%b3%e3%83%ad%e3%83%8a%e7%a6%8d%e3%81%a7%e9%87%91%e6%9b%9c%e6%97%a5%e3%81%ae%e3%82%a2%e3%82%af%e3%83%86%e3%82%a3%e3%83%93%e3%83%86%e3%82%a3%e3%81%af%ef%bc%9f/