CNG Examination Study Guides
Please note: Our exam dates and locations have changed.
To register for a CNG or LNG exam please go to Home (force.com)
To register for a CNG or LNG exam please go to Home (force.com)
CNG Regulations May 2021
Please use this link to access the May 2021 Regulations for Compressed Natural Gas. The current certification exams are based on this edition.
CNG Management Level
- CNG study guide (Management Level) (All categories)
- Category 2 General Installers and Repairmen
- Category 3 Retail/Wholesale Dealer
- Category 5 Service Station or Cylinder Exchange Operation
CNG Employee Level