Haw. Rev. Stat. § 291-3.1: Consuming or possessing intoxicating liquor while operating motor vehicle or moped.

(a) No person shall consume any intoxicating liquor while operating a motor vehicle or moped upon any public street, road, or highway.

(b) No person shall possess, while operating a motor vehicle or moped upon any public street, road, or highway, any bottle, can, or other receptacle containing any intoxicating liquor which has been opened, or a seal broken, or the contents of which have been partially removed.

(c) Any person violating this section shall be fined not more than $2,000 or imprisoned not more than thirty days, or both.