Key Duties and Responsibilities Lead and assist employees in installing, converting, maintaining, servicing, troubleshooting, and/or repairing vehicles and equipment including but not limited to: Internal combustion, diesel, and natural gas powered engines. Consult with employees, city and state officials, vendors, and/or other companies' fleet owners, managers, and mechanics/operators regarding CNG vehicles and equipment, parts and supplies, warranties, and/or vehicle maintenance, repair, and service availability.