N.H. Rev. Stat. § 259:37-b
"Gasoline" shall mean all products commonly or commercially known or sold as gasoline, including casinghead and absorption of natural gasoline, regardless of their classification or uses, and any liquid prepared, advertised, offered for sale, or sold for use as or commonly and commercially used as a fuel in internal combustion engines, which when subjected to distillation in accordance with the standard method of test for distillation of gasoline, naphtha, kerosene, and similar petroleum products (ASTM Designation D-86) show not less than 10 percent distilled (recovered) below 347 degrees Fahrenheit (175 degrees Centigrade) and not less than 95 percent distilled (recovered) below 464 degrees Fahrenheit (240 degrees Centigrade); provided that the term gasoline shall not include commercial solvents or naphthas which distill by ASTM method D-86 not more than 9 percent at 176 degrees Fahrenheit and which have a distillation range of 150 degrees Fahrenheit or less, or liquified gases which would not exist as liquid at a temperature of 60 degrees Fahrenheit and a pressure of 14.7 pounds per square inch absolute.
RSA 259:37-b
1996, 292:5, eff. Jan. 1, 1997.