Hawaii’s HB 556 Pathway: Energy Efficiency, Conservation, and Fuel Switching in Buildings and Industry → Lighting, Appliances, and Other Equipment → State Efficiency Standards for Products That Are Not Federally RegulatedJurisdiction: States and State Governments → State Legislatures Hawaii’s HB 556 (2019) sets minimum efficiency standards for common household products including computers, faucets, and showerheads.