N.H. Code Admin. R. Saf-C 302.12
“Compressed Natural Gas (CNG)” means a natural gas compressed to a pressure at or above 200-248 bar, that is, 2900-3600 pounds per square inch, and stored in high-pressure containers. It is used as a fuel for natural gas-powered vehicles.
Source. #10753, INTERIM, eff 1-1-15, EXPIRED: 6-30-15 New. #10890, eff 7-16-15; ss by #13186, eff 4-7-21 (formerly Saf-C 302.10) (See Revision Note #3 at Chapter Heading for Saf-C 300)