N.H. Rev. Stat. Ann. § 227-L:19

No person shall drop or throw from any vehicle while the vehicle is upon a public highway or private way, or from any steam, gas, or electric car where the right-of-way is adjacent to woodlands, or drop, throw, or otherwise deposit on or near such woodlands except as permitted by law, any lighted match, cigar, cigarette, live ashes, or any other substance liable to cause a fire. Whoever is found guilty of violating the provisions of this section shall be guilty of a violation.