Haw. Rev. Stat. § 486B-3: Unlawful profiteering.

Any person who sells petroleum products and who, with intent to enhance the price or restrict the supply of petroleum products:

(1) Wilfully causes or permits preventable waste in the production, manufacture, storage, or distribution of petroleum products;

(2) Prevents, limits, lessens, or restricts the manufacture, production, supply, or distribution of petroleum products;

(3) Enters into any contract, combination, or conspiracy in restraint of trade or commerce;

(4) Exacts or demands any unjust or unreasonable profit in the sale, exchange, or handling of petroleum products; or

(5) In any way aids or abets the doing of any act prohibited in paragraphs (1) to (4),

commits an unlawful trade practice.