Public Training Schedule Entire Course Catalog Essentials of CNG Station Operation and Maintenance Apr 20 - Apr 21 —$895 Register Vehicle Training Level 2: CNG Fuel System Inspector Training Feb 2 - Feb 3 —$895 Closed Vehicle Training Level 2: CNG Fuel System Inspector Training Mar 2 - Mar 3 —$895 Register Vehicle Training Level 2: CNG Fuel System Inspector Training Apr 6 - Apr 7 —$895 Register Vehicle Training Level 2: CNG Fuel System Inspector Training May 4 - May 5 —$895 Register Vehicle Training Level 3: Heavy-Duty NGV Maintenance and Diagnostics Training Feb 9 - Feb 10 —$1,695 Register Vehicle Training Level 3: Heavy-Duty NGV Maintenance and Diagnostics Training May 18 - May 19 —$1,695 Register